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

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Members must have same Ethernet Layer (switchport/noswitchport) configured. * Span Port Members cannot be SPAN ports. * Storm Control Members must have same storm-control configured. * Flow Control Members must have same flowctrl configured. * Capabilities Members must have common capabilities. * Capabilities speed Members must have common speed capabilities. * Capabilities duplex Members must have common speed duplex capabilities. * rate mode Members must have the same rate mode configured. * 1G port is not capable of acting as peer-link Members must be 10G to become part of a vPC peer-link. * port Members port VLAN info. * port Members port does not exist. * switching port Members must be switching port, Layer 2. * port access VLAN Members must have the same port access VLAN. * port native VLAN Members must have the same port native VLAN. * port allowed VLAN list Members must have the same port allowed VLAN list. * port egress queuing policy 10G port-channel members must have the same egress queuing policy as the port-channel. * Port Security policy Members must have the same port-security enable status as port-channel Egypt# Example 2-65 shows how to quickly verify the channel configuration with the show portchannel summary command. Example 2-65. LACP Configuration Click here to view code image
Egypt# show port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) ---------------------------------------------------------- ---------------------- Group Port- Type Protocol Member Ports Channel ---------------------------------------------------------- ---------------------- 100 Po100(SU) Eth LACP Eth1/2(P) Eth1/4(P) Logical interfaces parameters apply to all the member links, giving the administrator an easy way to manipulate multiple ports. Note In IOS devices, port-channel interfaces are initially put into an administratively down state, whereas in NX-OS newly created port-channels are active as soon as they are created. Port-Channel Flow Control Flow control is supported on port-channel interfaces as well. For flow control to work properly, both sides of the port-channel must be configured. By default, the port-channel flow control is preferred. Flow control can be statically configured for on or off and for each direction. Example 2-66 shows how to configure and verify port-channel flow control. Example 2-66. Port-Channel Flow Control Click here to view code image Congo(config)# interface port-channel 100 Congo(config-if)# flowcontrol send on Congo(config-if)# flowcontrol receive on Congo# show interface port-channel 100 flowcontrol ---------------------------------------------------------- ---------------------- Port Send FlowControl Receive FlowControl RxPause TxPause admin oper admin oper ----------------------------------------------------------
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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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Page 96 and 97: Eth100/1/11 Eth100/1/3 Eth100/1/2 E
Page 98 and 99: Eth100/1/2 Up Po100 Po100 Eth100/1/
Page 100 and 101: N7K-1(config)# mac address-table ag
Page 102 and 103: Congo# show vlan internal usage VLA
Page 104 and 105: the requirements of the devices con
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Page 108 and 109: • Host6(192.168.100.26): Sends tr
Page 110 and 111: Kenya(config-if)# switchport mode p
Page 112 and 113: used to provide a much simpler conf
Page 114 and 115: Congo# conf t Enter configuration c
Page 116 and 117: Eth2/11 Root FWD 4 128.267 Network
Page 118 and 119: Example 2-29 demonstrates how the d
Page 120 and 121: Example 2-31. MST Verification Clic
Page 122 and 123: Click here to view code image Egypt
Page 124 and 125: Example 2-38 shows the root ports o
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Page 128 and 129: 001b.54c2.bbc2 4 2 12 9 Ethernet2/1
Page 130 and 131: intervention to enable ports that h
Page 132 and 133: Congo# Example 2-51 shows how to re
Page 134 and 135: After the VLAN is defined on Egypt,
Page 136 and 137: Configuring Layer 2 Interfaces Now
Page 138 and 139: !Time: Fri Oct 30 08:52:29 2009 ver
Page 140 and 141: aggregation protocol information is
Page 144 and 145: ---------------------- Po100 on on
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Page 148 and 149: Congo(config-if)# no shutdown Congo
Page 150 and 151: link. This will enable spanning tre
Page 152 and 153: 00- 103 00-103 Allowed VLANs - 40-4
Page 154 and 155: spanning tree domain to the entire
Page 156 and 157: Current operational state: advertis
Page 158 and 159: FabricPath IS-IS adjacencies are th
Page 160 and 161: Figure 2-9. FabricPath Topology As
Page 162 and 163: Figure 2-10. FabricPath Interface C
Page 164 and 165: D - Static Adjacencies attached to
Page 166 and 167: • Enable the vPC feature. • Def
Page 168 and 169: Performed vPC role : none establish
Page 170 and 171: Figure 2-12. vPC+ Interface Configu
Page 172 and 173: VLAN MAC Address Type age Secure NT
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
Page 184 and 185: GigabitEthernet1/48 10.0.0.0/24 is
Page 186 and 187: Congo# show ip eigrp neighbor detai
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D 10.10.10.0 [90/3072] via 192.168.
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total) With the output in Example 3
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Figure 3-5. Network Topology for OS
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Congo# config t Enter configuration
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Libya# show ip ospf neighbor detail
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CNTL/Z. Congo(config)# router ospf
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*via 192.168.1.1, Lo0, [0/0], 01:02
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as Type 7 LSAs. Although not common
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Number of LSAs: 6, checksum sum 0x3
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Securing OSPF Area ranges are 192.1
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Example 3-55. Verification of OSPF
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Congo(config-route-map)# match ip a
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default-metric 100 The process begi
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D - EIGRP, EX - EIGRP external, O -
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Example 3-67. This information is e
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extremely valuable when troubleshoo
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1. Enable IS-IS. 2. Configure the I
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Level-1 Designated IS: Congo Level-
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Congo(config-if)# sh isis adj IS-IS
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Figure 3-10. Network Topology for B
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feature bgp router bgp 65000.65088
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BGP version 4, remote router ID 192
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Received 4 messages, 0 notification
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Neighbor capabilities: Dynamic capa
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queue Sent 6689 messages, 1 notific
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S 172.26.2.0/23 [1/0] via 172.26.32
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o - ODR, P - periodic downloaded st
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*>r192.168.1.40/30 0.0.0.0 44 2500
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version 4.2(2a) feature hsrp Simila
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Virtual IP address is 10.10.100.1 (
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Vlan100 - Group 100 (HSRP-V1) (IPv4
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VRRP 2 state changes, last state ch
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implementation in IOS, a device wit
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You can see the addition of authent
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Figure 3-13. HSRP/VRRP Interaction
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Figure 3-15 illustrates the topolog
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Verifying GLBP Configuration A quic
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Active is local Standby is 10.10.10
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emaining) Active is local, weightin
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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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Click here to view code image Egypt
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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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Click here to view code image Egypt
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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
Page 783 and 784:
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
Page 789 and 790:
demolab-vsm1(config-cmap-que)# exit
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the overlay; this enables data cent
Page 793 and 794:
• OTV join-interface: The OTV joi
Page 795 and 796:
identifier is mandatory to configur
Page 797 and 798:
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
Page 807 and 808:
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
Page 821 and 822:
! 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
Page 837 and 838:
• Label Switching Router (LSR): A
Page 839 and 840:
N7k-1(config)# install feature-set
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192.168.0.2 2.2.2.2 From a CE to PE
Page 843 and 844:
Click here to view code image N7k-1
Page 845 and 846:
license be installed first. The Nex
Page 847 and 848:
• EID addresses: The IP addresses
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Note Consult the following link to
Page 851 and 852:
destination of 172.20.40.0 /24. LIS
Page 853 and 854:
infrastructure, destined to one of
Page 855 and 856:
13-3. Example 13-3. Define the Glob
Page 857 and 858:
Layer 3 SVI interface. Note The mul
Page 859 and 860:
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
Page 869 and 870:
must go smoothly. With this in mind
Page 871 and 872:
10.255.255.2 vrf VPCKA peer-gateway
Page 873 and 874:
dove(config-if)# shutdown dove(conf
Page 875 and 876:
Click here to view code image bluej
Page 877 and 878:
outed full 10G 10g Po2 to CS1 (BLUE
Page 879 and 880:
with previous steps, these port-cha
Page 881 and 882:
scotland(config-if)# switchport sco
Page 883 and 884:
Design Note Care has been given to
Page 885 and 886:
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
Page 917 and 918:
multicasts, 253 CP (Control Process
Page 919 and 920:
Nexus 7000, 386-392 overview of, 38
Page 921 and 922:
authentication, 174-203 configuring
Page 923 and 924:
stateful switchovers, 368-369 Unifi
Page 925 and 926:
isolated VLAN (Virtual Local Area N
Page 927 and 928:
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,
Page 937 and 938:
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
Page 943 and 944:
topology of, 155, 170 VRF configura
Page 945 and 946:
ARP synchronization, 117 flow contr
Page 947 and 948:
FEX, 661-662 forwarding architectur
Page 949 and 950:
HSRP, 174-203 IP Source Guard, 321-
Page 951 and 952:
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-
Page 959:
port profile creation, 545-546 port
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