Cisco Catalyst 9500 Series

PurposeCommand or Action
Verifies your entries.
show isis [area tag] database detail
Example:
Device# show isis database detail
Step 10
(Optional) Saves your entries in the configuration file.copy running-config startup-config
Example:
Device# copy running-config
Step 11
startup-config
Configuring IS-IS Global Parameters
Procedure
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Device# configure terminal
Step 1
Specifies the IS-IS routing protocol and enters router
configuration mode.
router isis
Example:
Device(config)# router isis
Step 2
(Optional) Forces a default route into the IS-IS routing
domain. If you enter route-map map-name, the routing
process generates the default route if the route map is satisfied.
default-information originate
[route-map map-name]
Example:
Device(config-router)#
Step 3
default-information originate
route-map map1
(Optional) Configures the router to ignore LSPs with internal
checksum errors, instead of purging the LSPs. This command
ignore-lsp-errors
Example:
Device(config-router)#
ignore-lsp-errors
Step 4
is enabled by default (corrupted LSPs are dropped). To purge
the corrupted LSPs, enter the no ignore-lsp-errors router
configuration command.
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
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Configuring IP Unicast Routing
Configuring IS-IS Global Parameters