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

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Figure 7-8. Create a vmk Port Using the ERSPAN Port Profile: Step 4 Configure a unique IP address for the ERSPAN vmk to use, the subnet mask, and default gateway, and then click Next. The screen in Figure 7-9 displays.
Figure 7-9. Create a vmk Port Using the ERSPAN Port Profile: Step 5 Review the configuration and click Finish. Source and destination IP addresses are configured under the ERSPAN monitor session along with the ERSPAN ID. ERSPAN IDs perform an important role in that they uniquely identify an ERSPAN session and can be used to differentiate between multiple ERSPAN sessions at the destination. This is particularly helpful in a centralized model where there might be many ERSPAN sessions aggregated. Finally, the state of the ERSPAN session, shut or no shut, is configured in ERSPAN monitor session mode as well. In Example 7-19, a monitor session is configured that will SPAN traffic from interface vEthernet27 to the destination IP address of 10.1.1.100 and an ERSPAN-ID of 1000. Example 7-19. Configuring an ERSPAN Monitor Session Click here to view code image CMHLAB-DC2-VSM1# config t CMHLAB-DC2-VSM1(config)# monitor session 1 type erspansource CMHLAB-DC2-VSM1(config-erspan-src)# desc ERSPAN Session 1
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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
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Figure 2-12. vPC+ Interface Configu
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VLAN MAC Address Type age Secure NT
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called the Diffusing Update Algorit
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Example 3-4 shows an alphanumeric s
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Interface Peers Un/Reliable SRTT Un
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Note Mixing standard and wide metri
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Example 3-14. Summarizing Networks
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GigabitEthernet1/48 10.0.0.0/24 is
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Congo# show ip eigrp neighbor detai
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complex routing scenarios with a fi
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edistributed. Example 3-24. Definin
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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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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
Page 420 and 421: Example 6-7. Supervisor Runtime Dia
Page 422 and 423: Congo# show diagnostic description
Page 424 and 425: L/* - Exclusively run this test / N
Page 426 and 427: ***N******A 00:30:00 9) SecondaryBo
Page 428 and 429: These software features combine to
Page 430 and 431: N7k-1(config)# install feature-set
Page 432 and 433: Other supervisor (sup-5) ----------
Page 434 and 435: ! The impact of the software upgrad
Page 436 and 437: 5 bios v3.22.0(02/20/10): v3.22.0(0
Page 438 and 439: Kernel uptime is 128 day(s), 7 hour
Page 440 and 441: 1 yes non-disruptive rolling 2 yes
Page 442 and 443: ios/loader/bootrom. Warning: please
Page 444 and 445: http://www.opensource.org/licenses/
Page 446 and 447: In addition to the NX-OS operating
Page 448 and 449: features such as stateful process r
Page 450 and 451: it to the destination. SPANning tra
Page 452 and 453: Jealousy(config-if)# switchport mon
Page 454 and 455: Example 7-5. Displaying a Monitor S
Page 456 and 457: Example 7-7. Displaying a Virtual S
Page 458 and 459: Figure 7-3. Nexus 5x00 SPAN Topolog
Page 460 and 461: Click here to view code image CMHLA
Page 462 and 463: state : up source intf : rx : vfc10
Page 464 and 465: Note The Nexus 1000V does not suppo
Page 466 and 467: CMHLAB-DC2-VSM1# config t CMHLAB-DC
Page 468 and 469: Figure 7-6. Create a vmk Port Using
Page 472 and 473: CMHLAB-DC2-VSM1(config-erspan-src)#
Page 474 and 475: N7K-2(config-erspan-src)# no shut N
Page 476 and 477: Legend: l = learning enabled f = fo
Page 478 and 479: Legend: l = learning enabled f = fo
Page 480 and 481: Note The Nexus 5500 series switches
Page 482 and 483: cmhlab-dc2-tor2(config-erspan-src)#
Page 484 and 485: 802.1Q Virtual LAN 000. .... .... .
Page 486 and 487: .... 10.. = Port Role: Root (2) ...
Page 488 and 489: Frame Length: 57 bytes Capture Leng
Page 490 and 491: ...0 .... .... .... = CFI: 0 .... 0
Page 492 and 493: ..1. .... = Forwarding: Yes ...1 ..
Page 497 and 498: Note You can add more show commands
Page 499 and 500: Data Center Jealousy(config-callhom
Page 501 and 502: neighbor If the email transport opt
Page 503 and 504: Example 7-35. System-Generated Chec
Page 505 and 506: After a review of the differences,
Page 507 and 508: Checkpoints can be given a name and
Page 509 and 510: Rollback Patch is Empty Note: Apply
Page 511 and 512: Jealousy(config-flow-record)# end J
Page 513 and 514: Layer 2 NetFlow cannot be applied i
Page 515 and 516: packets CMHLAB-DC2-VSM1(config-flow
Page 517 and 518: where NTP runs in multiple VDCs, th
Page 519 and 520: 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
Page 807 and 808:
and preventing unicast-flooding in
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ip pim rp-address 40.10.10.50 group
Page 811 and 812:
Example 11-14. Sample Configuration
Page 813 and 814:
102-103, 106, 116, 120, 122 (Total:
Page 815 and 816:
For the Layer 2 multicast communica
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MAC_ vlan vlan-name interface OTV-i
Page 819 and 820:
Example 11-19 shows the OTV ARP Cac
Page 821 and 822:
! mac access-list ALL_MACs 10 permi
Page 823 and 824:
methods are discussed from a high-l
Page 825 and 826:
ip route 10.1.64.128/25 Null0 250 r
Page 827 and 828:
• VRF-Aware Telnet • VRF-Aware
Page 829 and 830:
Ethernet10/22 default 1 - - Etherne
Page 831 and 832:
for any subsequent show or EXEC com
Page 833 and 834:
N7k-1(config)# feature isis N7k-1(c
Page 835 and 836:
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
Page 841 and 842:
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
Page 849 and 850:
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
Page 861 and 862:
Click here to view code image N7K1#
Page 863 and 864:
Who last registered: 1.1.1.13 Routi
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connects the xTR to the L3 domain o
Page 867 and 868:
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
Page 887 and 888:
0023.04ee.be01 0 2 20 15 This bridg
Page 889 and 890:
denmark# show run interface Vlan26
Page 891 and 892:
! We want this to be an undesirable
Page 893 and 894:
egypt(config-if)# shutdown egypt(co
Page 895 and 896:
egypt# conf t Enter configuration c
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TenGigabitEthernet4/3 D 10.198.57.0
Page 899 and 900:
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
Page 905 and 906:
Figure 14-4. Migrated Topology One
Page 907 and 908:
Figure 14-5. Topology with 5K/2K De
Page 909 and 910:
Example 14-52. vPC Configuration on
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channel-group 101 interface Etherne
Page 913 and 914:
stub routing, 146 summarization, 14
Page 915 and 916:
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
Page 929 and 930:
LSP, 719 LSR, 719 managing, 725 Nex
Page 931 and 932:
LoopGuard, 97-98 Loose Unicast RPF
Page 933 and 934:
defining, 719 enabling, 721-722 ope
Page 935 and 936:
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
Page 953 and 954:
configuration files, 33-35 file sys
Page 955 and 956:
enabling FCoE, 468 enabling NPV mod
Page 957 and 958:
Single-Hop FCoE configuration, 471-
Page 959:
port profile creation, 545-546 port
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