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9-7
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 9 Configuring IS-IS
Configuring IS-IS
• Shutdown IS-IS on an Interface, page 9-13
• Configuring IS-IS Authentication in an Area, page 9-13
• Configuring IS-IS Authentication on an Interface, page 9-14
• Configuring a Mesh Group, page 9-16
• Configuring a Designated Intermediate System, page 9-16
• Configuring Dynamic Host Exchange, page 9-16
• Setting the Overload Bit, page 9-16
• Configuring the Attached Bit, page 9-17
• Configuring a Summary Address, page 9-17
• Configuring Redistribution, page 9-19
• Limiting the Number of Redistributed Routes, page 9-20
• Configuring Virtualization, page 9-23
• Tuning IS-IS, page 9-26
Note If you are familiar with the Cisco IOS CLI, be aware that the Cisco NX-OS commands for this feature
might differ from the Cisco IOS commands that you would use.
IS-IS Configuration Modes
The following sections show how to enter each of the configuration modes. From a mode, you can enter
the ? command to display the commands available in that mode.
This section includes the following topics:
• Router Configuration Mode, page 9-7
• Router Address Family Configuration Mode, page 9-7
Router Configuration Mode
The following example shows how to enter router configuration mode:
switch#: config t
switch(config)# router isis isp
switch(config-router)#
Router Address Family Configuration Mode
The following example shows how to enter router address family configuration mode:
switch(config)# router isis isp
switch(config-router)# address-family ipv4 unicast
switch(config-router-af)#
Enabling the IS-IS Feature
You must enable the IS-IS feature before you can configure IS-IS.
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