nx.os.and.cisco.nexus.switching.2nd.edition.1587143046

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Example 3-67. This information is extremely valuable when troubleshooting network issues. Example 3-67. Reviewing Detailed OSPF Information Click here to view code image Congo# show ip ospf Routing Process DataCenter1 with ID 192.168.1.1 VRF default Stateful High Availability enabled Graceful-restart is configured Grace period: 60 state: Inactive Last graceful restart exit status: None Supports only single TOS(TOS0) routes Supports opaque LSA This router is an area border and autonomous system boundary. Administrative distance 110 Reference Bandwidth is 40000 Mbps Initial SPF schedule delay 200.000 msecs, minimum inter SPF delay of 1000.000 msecs, maximum inter SPF delay of 5000.000 msecs Initial LSA generation delay 0.000 msecs, minimum inter LSA delay of 5000.000 msecs, maximum inter LSA delay of 5000.000 msecs Minimum LSA arrival 1000.000 msec Maximum paths to destination 8 Number of external LSAs 1, checksum sum 0xd193 Number of opaque AS LSAs 0, checksum sum 0 Number of areas is 2, 1 normal, 1 stub, 0 nssa Number of active areas is 2, 1 normal, 1 stub, 0 nssa Area BACKBONE(0.0.0.0) Area has existed for 00:49:34 Interfaces in this area: 2 Active interfaces: 2 Passive interfaces: 0 Loopback interfaces: 0 Message-digest authentication SPF calculation has run 15 times Last SPF ran for 0.000501s Area ranges are Number of LSAs: 6, checksum sum 0x31cde Area (0.0.0.51) (Inactive) Area has existed for 00:49:34 Interfaces in this area: 1 Active interfaces: 1 Passive interfaces: 1 Loopback interfaces: 0 This area is a STUB area
Generates stub default route with cost 1 Summarization is disabled No authentication available SPF calculation has run 15 times Last SPF ran for 0.000074s Area ranges are 192.168.128.0/20 Passive (Num nets: 0) Advertise Number of LSAs: 2, checksum sum 0x16f5b With the modular nature of NX-OS, you can now display the relevant OSPF configuration by using the show run ospf command, as demonstrated in Example 3-68. Example 3-68. Viewing the OSPF-Only Configuration Click here to view code image Congo# show run ospf !Command: show running-config ospf !Time: Wed Sep 30 01:25:45 2009 version 4.2(2a) feature ospf router ospf DataCenter1 router-id 192.168.1.1 area 0.0.0.51 stub no-summary default-information originate route-map default-to-OSPF area 0.0.0.51 range 192.168.128.0/20 redistribute maximum-prefix 100 75 area 0.0.0.0 authentication message-digest default-metric 100 interface Vlan10 ip ospf authentication key-chain nexus ip router ospf DataCenter1 area 0.0.0.0 interface Vlan100 ip ospf passive-interface ip router ospf DataCenter1 area 0.0.0.51 interface loopback0 ip router ospf DataCenter area 0.0.0.0 interface loopback2 ip router ospf DataCenter area 0.0.0.51 interface Ethernet1/18 ip ospf network point-to-point ip router ospf DataCenter1 area 0.0.0.0 With the output in Example 3-68, a network administrator can quickly review the entire OSPF configuration and speed resolution of configuration issues. This information is
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NX-OS and Cisco Nexus Switching Nex
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For sales outside of the U.S. pleas
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About the Authors Ron Fuller, CCIE
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Dedications Ron Fuller: This book i
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We need to find another heavy conce
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Contents at a Glance Foreword Intro
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Interface Allocation: N7K-M108X2-12
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OSPF OSPFv2 Configuration OSPF Summ
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Cisco TrustSec Configuring AAA for
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Chapter 8 Unified Fabric Unified Fa
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OTV Control Plane Multicast-Enabled
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Icons Used in This Book
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Foreword With more than 30,000 cust
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Chapters 1 through 14 cover the fol
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• Security: Cisco NX-OS provides
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Fibre Channel, Ethernet, and FCoE i
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• Nexus 2224: FEX, 24 100/1000Bas
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Nexus 3000 Learned Routes), EIGRP-S
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• NX-OS supports VDCs, which enab
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Click here to view code image Congo
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NX-OS has many different types of m
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module to which it is attached, ena
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Example 1-6. Enabling a Telnet Serv
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user:admin this user account has no
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SNMP Figure 1-4. Results of the Sel
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___________________________________
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User Auth Priv ____ ____ ____ NMS s
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Managing System Files Directories c
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309 Mar 21 15:43:51 2011 dc1-fp.lic
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active/ bootflash://sup-remote/ boo
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will be applied to your current run
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N7010-1(config)# snmp-server enable
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vrf 2 1000 3 0 portchannel 0 768 1
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• Independent processes started f
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Figure 1-6. Shared Interface Concep
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Example 1-14. Creating a VDC Core o
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Figure 1-13. Nexus 7000 F2e 48-Port
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• After a port has been assigned
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Figure 1-20. N7K-M148GS-11 and L Mo
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Figure 1-22. N7K-M224XP-23L I/O Mod
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Interface Allocation on M2 Modules
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egypt(config)# vdc core egypt(confi
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Further Reading Figure 1-25. Physic
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Chapter 2. Layer 2 Support and Conf
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connectivity. One of the most appar
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1GE JAF1318AALS NX5000# show fex 10
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- down 1 full 1000 -- Eth100/1/9 -
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Eth100/1/11 Eth100/1/3 Eth100/1/2 E
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Eth100/1/2 Up Po100 Po100 Eth100/1/
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N7K-1(config)# mac address-table ag
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Congo# show vlan internal usage VLA
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the requirements of the devices con
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14 VLAN0014 active Eth2/11, Eth2/12
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• Host6(192.168.100.26): Sends tr
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Kenya(config-if)# switchport mode p
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used to provide a much simpler conf
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Congo# conf t Enter configuration c
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Eth2/11 Root FWD 4 128.267 Network
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Example 2-29 demonstrates how the d
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Example 2-31. MST Verification Clic
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Click here to view code image Egypt
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Example 2-38 shows the root ports o
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- ---------------- VLAN0001 4097 00
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001b.54c2.bbc2 4 2 12 9 Ethernet2/1
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intervention to enable ports that h
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Congo# Example 2-51 shows how to re
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After the VLAN is defined on Egypt,
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Configuring Layer 2 Interfaces Now
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!Time: Fri Oct 30 08:52:29 2009 ver
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aggregation protocol information is
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Members must have same Ethernet Lay
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---------------------- Po100 on on
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oth devices are online, and also to
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Congo(config-if)# no shutdown Congo
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link. This will enable spanning tre
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00- 103 00-103 Allowed VLANs - 40-4
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spanning tree domain to the entire
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Current operational state: advertis
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FabricPath IS-IS adjacencies are th
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Figure 2-9. FabricPath Topology As
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Figure 2-10. FabricPath Interface C
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D - Static Adjacencies attached to
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• Enable the vPC feature. • Def
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Performed vPC role : none establish
Page 170 and 171: Figure 2-12. vPC+ Interface Configu
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Page 174 and 175: called the Diffusing Update Algorit
Page 176 and 177: Example 3-4 shows an alphanumeric s
Page 178 and 179: Interface Peers Un/Reliable SRTT Un
Page 180 and 181: Note Mixing standard and wide metri
Page 182 and 183: Example 3-14. Summarizing Networks
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Page 186 and 187: Congo# show ip eigrp neighbor detai
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Page 194 and 195: total) With the output in Example 3
Page 196 and 197: Figure 3-5. Network Topology for OS
Page 198 and 199: Congo# config t Enter configuration
Page 200 and 201: Libya# show ip ospf neighbor detail
Page 202 and 203: CNTL/Z. Congo(config)# router ospf
Page 204 and 205: *via 192.168.1.1, Lo0, [0/0], 01:02
Page 206 and 207: as Type 7 LSAs. Although not common
Page 208 and 209: Number of LSAs: 6, checksum sum 0x3
Page 210 and 211: Securing OSPF Area ranges are 192.1
Page 212 and 213: Example 3-55. Verification of OSPF
Page 214 and 215: Congo(config-route-map)# match ip a
Page 216 and 217: default-metric 100 The process begi
Page 218 and 219: D - EIGRP, EX - EIGRP external, O -
Page 222 and 223: extremely valuable when troubleshoo
Page 224 and 225: 1. Enable IS-IS. 2. Configure the I
Page 226 and 227: Level-1 Designated IS: Congo Level-
Page 228 and 229: Congo(config-if)# sh isis adj IS-IS
Page 230 and 231: Figure 3-10. Network Topology for B
Page 232 and 233: feature bgp router bgp 65000.65088
Page 234 and 235: BGP version 4, remote router ID 192
Page 236 and 237: Received 4 messages, 0 notification
Page 238 and 239: Neighbor capabilities: Dynamic capa
Page 240 and 241: queue Sent 6689 messages, 1 notific
Page 242 and 243: S 172.26.2.0/23 [1/0] via 172.26.32
Page 244 and 245: o - ODR, P - periodic downloaded st
Page 246 and 247: *>r192.168.1.40/30 0.0.0.0 44 2500
Page 248 and 249: version 4.2(2a) feature hsrp Simila
Page 250 and 251: Virtual IP address is 10.10.100.1 (
Page 252 and 253: Vlan100 - Group 100 (HSRP-V1) (IPv4
Page 254 and 255: VRRP 2 state changes, last state ch
Page 256 and 257: implementation in IOS, a device wit
Page 258 and 259: You can see the addition of authent
Page 260 and 261: Figure 3-13. HSRP/VRRP Interaction
Page 262 and 263: Figure 3-15 illustrates the topolog
Page 264 and 265: Verifying GLBP Configuration A quic
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Chapter 4. IP Multicast Configurati
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eferred to as the RP tree or RPT. F
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In general, PIM can operate in two
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Due to this behavior, it is not nec
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N7K-1-Core1# config Enter configura
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priority: 0, RP-source: (local), gr
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Auto-RP Announce policy: None Auto-
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N7K-2-Core# config Enter configurat
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Auto-RP RPA: 10.1.0.1, uptime: 00:0
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BSR RP Candidate policy: None BSR R
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PIM Group-Range Configuration for V
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The Nexus 7000 is a Layer 3 switch
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Vlan100, Interface status: protocol
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Switch-querier disabled IGMPv3 Expl
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CMHLAB-DC2-VSM1# show ip igmp snoop
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Figure 4-9. Network Topology for MS
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238.102.1.1/32 238.101.1.1/32 238.1
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PIM configured DR priority: 1 PIM b
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Chapter 5. Security This chapter co
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share. This model provides security
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distribution, use the following com
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deadtime value:0 source interface:l
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or Offline Click here to view code
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Figure 5-3. Adding a User to the Ci
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pending pending-diff Egypt(config)#
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Example 5-16. Verifying TACACS+ CFS
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configuration required in NX-OS. Ex
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Figure 5-7. Adding Redundant NX-OS
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Note • Be sure to have an SSH Ser
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Tx 7653 output packets 6642 unicast
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Figure 5-9. Cisco TrustSec Example
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NX7k-SGA # conf t NX7k-SGA (config)
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Figure 5-12. The Required Fields to
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Click here to view code image NX7K-
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Example 5-32 shows the successful d
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• PCI 3 (decimal) / 0003 (hex)
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Figure 5-20. The ISE Compares Its S
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NX7K-SGA(config)# cts refresh role-
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Egypt# show run cts feature dot1x f
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Egypt# show runn cts !Command: show
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Example 5-42 confirms the VLAN used
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Total Length: 84 Identification: 0x
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To improve the scalability of ACL m
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0001 ip access-list TCP1 0002 permi
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Example 5-53 shows how to change th
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Port security enables you to config
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A maximum number of MAC addresses c
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Note Enable DHCP snooping globally
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Egypt# Example 5-67 shows how to ve
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Note By default, all interfaces are
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Vlan : 1 ----------- Configuration
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!Command: show running-config dhcp
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network performance. The traffic st
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Egypt(config-if)# Example 5-84 veri
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Unicast packets : 0/0/0/0/0 Unicast
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permit eigrp any any ipv6 access-li
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permit pim any ff02::d/128 permit u
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match access-group name copp-system
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class copp-system-p-class-critical
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| glean | mtu | multicast {directly
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Example 5-90. Configuring Rate Limi
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copy Config : 30000 Allowed : 26346
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User ____ Auth Priv ____ ____ Examp
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Role: vdc-operator Description: Pre
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-----------------------------------
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entity : entity_power_status_change
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entity : entity_power_status_change
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Chapter 6. High Availability This c
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edundant Configure power supply red
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• Cisco Nexus 7010 Series system
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2 QEng1Sn3(s20) 115 105 46 2 QEng1S
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not be prolonged because of the ina
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--- -------------- ------ 1 NA 1.0
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Example 6-7. Supervisor Runtime Dia
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Congo# show diagnostic description
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L/* - Exclusively run this test / N
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***N******A 00:30:00 9) SecondaryBo
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These software features combine to
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N7k-1(config)# install feature-set
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Other supervisor (sup-5) ----------
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! The impact of the software upgrad
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5 bios v3.22.0(02/20/10): v3.22.0(0
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Kernel uptime is 128 day(s), 7 hour
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1 yes non-disruptive rolling 2 yes
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ios/loader/bootrom. Warning: please
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http://www.opensource.org/licenses/
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In addition to the NX-OS operating
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features such as stateful process r
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it to the destination. SPANning tra
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Jealousy(config-if)# switchport mon
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Example 7-5. Displaying a Monitor S
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Example 7-7. Displaying a Virtual S
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Figure 7-3. Nexus 5x00 SPAN Topolog
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Click here to view code image CMHLA
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state : up source intf : rx : vfc10
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Note The Nexus 1000V does not suppo
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CMHLAB-DC2-VSM1# config t CMHLAB-DC
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Figure 7-6. Create a vmk Port Using
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Figure 7-8. Create a vmk Port Using
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CMHLAB-DC2-VSM1(config-erspan-src)#
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N7K-2(config-erspan-src)# no shut N
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Legend: l = learning enabled f = fo
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Legend: l = learning enabled f = fo
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Note The Nexus 5500 series switches
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cmhlab-dc2-tor2(config-erspan-src)#
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802.1Q Virtual LAN 000. .... .... .
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.... 10.. = Port Role: Root (2) ...
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Frame Length: 57 bytes Capture Leng
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...0 .... .... .... = CFI: 0 .... 0
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..1. .... = Forwarding: Yes ...1 ..
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Note You can add more show commands
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Data Center Jealousy(config-callhom
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neighbor If the email transport opt
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Example 7-35. System-Generated Chec
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After a review of the differences,
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Checkpoints can be given a name and
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Rollback Patch is Empty Note: Apply
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Jealousy(config-flow-record)# end J
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Layer 2 NetFlow cannot be applied i
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packets CMHLAB-DC2-VSM1(config-flow
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where NTP runs in multiple VDCs, th
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Local clock time:Sun May 6 03:21:16
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2. A DHCP request is sent and repli
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if protocol == "telnet": c = "/isan
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scLogFileName + ".*100%", \ pexpect
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print "Failed connecting to " + hos
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• Higher availability: Quite simp
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eaping the benefits of a Unified I/
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Figure 8-4. FIP Process FIP can be
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Multhop Fibre Channel over Ethernet
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to Cisco NX-OS,” and the focus in
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switch as a Fabric Port (F-port) an
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-----------------------------------
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Restarting system. Single-Hop FCoE
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1 minute output rate 0 bits/sec, 0
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Port Native Status Port Vlan Channe
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Click here to view code image N5K-1
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N5K-1# A similar configuration must
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N7K-1# config Enter configuration c
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Click here to view code image N7K-1
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2000 2000 Operational N7K-1-FCoE# N
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version 5.2(2a) interface Ethernet3
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Note If all the shared ASIC ports a
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Figure 8-14. FCoE Topology Example
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could fail. By taking advantage of
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VSM in an active-standby pair; and
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Figure 9-2. Nexus 1000V Topology Th
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The VEM differentiates between the
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Figure 9-3. VEM Loop Prevention Not
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login as: admin Nexus 1010 Using ke
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VsbEthernet1/1 control 0 up up VsbE
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vsm login: admin Password: Cisco Ne
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Click here to view code image vsm#
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Figure 9-6. Selecting the Plug-Ins
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Figure 9-9. Registering the Plug-In
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such license is available at http:/
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sync status: Complete version: VMwa
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Figure 9-14. Entering the VMWare vC
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Figure 9-16. The OVA File and VSM R
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Figure 9-18. Configuring the Networ
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Figure 9-20. VSM Configuration Attr
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Figure 9-22. VSM Installation Proce
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Figure 9-24. VSM Installation Summa
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1000v Management Center. Note For t
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Figure 9-28. Entering the Nexus 100
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Figure 9-30. VEM Configuration Summ
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Figure 9-32. Configuring the Nexus
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Reboot Required: false VIBs Install
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vsm(config-port-prof)# no shutdown
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Figure 9-34. Adding the VEM Through
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Figure 9-36. Selecting the ESX Host
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Figure 9-38. Selecting the VM to Mi
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Figure 9-40. Verifying That the ESX
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--- -------------------------------
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vsm# Note There is a 60-day evaluat
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Figure 9-41. 1000V-Topology Example
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vsm(config)# Example 9-11 shows how
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Figure 9-43. Selecting the vmkernel
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2012 Aug 23 22:29:33 vsm %VIM-5-IF_
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• VLAN configuration • VMware m
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vsm(config-port-prof)# no shutdown
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HR-APPS Veth3 Net Adapter 1 Demo-Te
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Figure 9-46. Verifying the Port-Pro
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Click here to view code image Sampl
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(vASA) to deploy virtualized servic
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Figure 9-49. Verifying the OVF Depl
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Figure 9-51. Specifying the Data Ce
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Figure 9-53. Specifying the Specifi
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Figure 9-55. Specifying the Datasto
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Figure 9-57. Specifying the IP Addr
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Figure 9-59. Verifying the Informat
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Figure 9-63. Displaying the VNMC Vi
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Figure 9-65. Browse to the VNMC Man
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Figure 9-68. Install the Extension
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8. Add vCenter VM Manager in VNMC (
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Figure 9-75. Display vCenter ESX Ho
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workloads. Deployment of virtualize
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Figure 9-77. VSG System Component C
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ootflash:/repository Directory Clic
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Configuring the Cisco VNMC Policy-A
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Creating a Tenant in VMMC Figure 9-
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Figure 9-83. Creating a Virtual Dat
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Figure 9-87. Create a Security Prof
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Figure 9-89. Creating a Security Pr
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Figure 9-92 shows how to assign the
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Figure 9-95. Adding a Policy in VNM
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demonstrated in Example 9-30. Examp
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profile Employee state enabled vsm(
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Click here to view code image vsm#
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Figure 9-100. Create a vmk Interfac
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Example 9-39. Verify the vPath Info
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Flow Lookup Hit 229 Flow Lookup Mis
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Destroy 8 L4 TCP Flow Create 0 L4 T
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Rcvd 0 L2-Frag Coalesced 0 Encap ex
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Encap Err 0 0 0 All- Drops 38 1 Flo
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DV Port : 161 DVS uuid : ed 5d 0b 5
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Figure 9-103 shows the VXLAN topolo
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Enter configuration commands, one p
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Figure 9-105. Assigning vmknic 10.1
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Figure 9-108. Assigning the VxLAN-V
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Figure 9-110. The VMs and ESX Host
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Figure 9-112. Verifying the VM IP A
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Segment BD Error: 0 Dest Mcast IP n
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Pinning Failed on Decap: 0 Can't ge
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75 Multicast Packets 1801 Broadcast
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0 Input Packet Drops 0 Output Packe
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2 Eth3/3 3 182 0013.21cb.eb94 dynam
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105 0050.568b.1c32 dynamic 47 Eth4/
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username admin password 5 $1$Sx5LsG
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switchport access vlan 182 no shutd
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capability l3-vn-service vmware dvp
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ip ttl 64 ip prec 0 ip dscp 0 mtu 1
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VM version 7. VM type Other Linux 6
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Figure 9-116. Option to Install the
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Figure 9-118. Login Prompt After Bo
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session 1 --------------- type : er
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Figure 9-121. Selecting or Changing
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Figure 9-124. Defining the Subnet I
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Figure 9-126. Monitoring and Traffi
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1000v.VSG1.3.1a.iso 246831104 Aug 0
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Chapter 10. Quality of Service (QoS
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Nexus devices enable class maps to
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switch to offer lossless services o
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============================ policy
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The queues are hardware components
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queue-limit percent 16 queue droppe
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the remaining queues to schedule tr
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default-4q-8e-out- Service-policy (
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N7K-2(config-pmap-que)# class type
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Class-map (queuing): 1p7q4t-out-q3
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fex port interface: Ethernet101/1/1
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FCoE is defined by default, it is g
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Service-policy (queuing) output: de
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Service-policy (queuing) input: voi
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QoS on Nexus 1000V The Nexus 1000V
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Click here to view code image demol
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demolab-vsm1(config-cmap-que)# exit
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the overlay; this enables data cent
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• OTV join-interface: The OTV joi
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identifier is mandatory to configur
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AED)Overlay1 59* otv- 1 active Over
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Stale routes during non-graceful co
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57 0050.5692.48d1 42 1w4d overlay o
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59 0050.569c.2902 1 4d00h site port
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channel1002 61 00e0.81c2.4a74 42 1w
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and preventing unicast-flooding in
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ip pim rp-address 40.10.10.50 group
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Example 11-14. Sample Configuration
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102-103, 106, 116, 120, 122 (Total:
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For the Layer 2 multicast communica
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MAC_ vlan vlan-name interface OTV-i
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Example 11-19 shows the OTV ARP Cac
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! mac access-list ALL_MACs 10 permi
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methods are discussed from a high-l
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ip route 10.1.64.128/25 Null0 250 r
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• VRF-Aware Telnet • VRF-Aware
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Ethernet10/22 default 1 - - Etherne
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for any subsequent show or EXEC com
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N7k-1(config)# feature isis N7k-1(c
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Paths: (1 available, best #1) Flags
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• Label Switching Router (LSR): A
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N7k-1(config)# install feature-set
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192.168.0.2 2.2.2.2 From a CE to PE
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Click here to view code image N7k-1
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license be installed first. The Nex
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• EID addresses: The IP addresses
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Note Consult the following link to
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destination of 172.20.40.0 /24. LIS
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infrastructure, destined to one of
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13-3. Example 13-3. Define the Glob
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Layer 3 SVI interface. Note The mul
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authentication-key 3 9125d59c18a9b0
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Click here to view code image N7K1#
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Who last registered: 1.1.1.13 Routi
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connects the xTR to the L3 domain o
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Design Goals Figure 14-1. Existing
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must go smoothly. With this in mind
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10.255.255.2 vrf VPCKA peer-gateway
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dove(config-if)# shutdown dove(conf
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Click here to view code image bluej
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outed full 10G 10g Po2 to CS1 (BLUE
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with previous steps, these port-cha
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scotland(config-if)# switchport sco
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Design Note Care has been given to
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w - waiting to be aggregated Number
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0023.04ee.be01 0 2 20 15 This bridg
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denmark# show run interface Vlan26
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! We want this to be an undesirable
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egypt(config-if)# shutdown egypt(co
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egypt# conf t Enter configuration c
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TenGigabitEthernet4/3 D 10.198.57.0
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egypt(config-if-hsrp)# interface vl
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Standby 10.198.208.4 local 10.198.2
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0023.04ee.be01 3 2 20 15 Po100 VLAN
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Figure 14-4. Migrated Topology One
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Figure 14-5. Topology with 5K/2K De
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Example 14-52. vPC Configuration on
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channel-group 101 interface Etherne
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stub routing, 146 summarization, 14
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oadcast storms, traffic storm contr
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multicasts, 253 CP (Control Process
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Nexus 7000, 386-392 overview of, 38
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authentication, 174-203 configuring
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stateful switchovers, 368-369 Unifi
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isolated VLAN (Virtual Local Area N
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Rapid-PVST, 80-87 RootGuard, 96-97
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LSP, 719 LSR, 719 managing, 725 Nex
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LoopGuard, 97-98 Loose Unicast RPF
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defining, 719 enabling, 721-722 ope
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Atomic mode, 434 Best-Effort mode,
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Nexus 1000v NX-OS licensing, 9 NX-O
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FCoE installation, 478-479 MDS FCoE
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network advertisements, 157 passive
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topology of, 155, 170 VRF configura
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ARP synchronization, 117 flow contr
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FEX, 661-662 forwarding architectur
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HSRP, 174-203 IP Source Guard, 321-
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snooping DHCP snooping, 313-316 IGM
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configuration files, 33-35 file sys
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enabling FCoE, 468 enabling NPV mod
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Single-Hop FCoE configuration, 471-
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port profile creation, 545-546 port
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nx.os.and.cisco.nexus.switching.2nd.edition.1587143046

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