Verifying Is-Is Nsf - Cisco 7604 Configuration Manual
Ios software configuration guide
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Chapter 7
Configuring NSF with SSO Supervisor Engine Redundancy
Command
Step 5
Router(config-router)# nsf t3 {manual [ seconds ] |
adjacency}
Step 6
Router(config-router)# nsf interface wait seconds
Verifying IS-IS NSF
To verify IS-IS NSF, you must check that the NSF function is configured on the SSO-enabled networking
device. To verify IS-IS NSF, follow these steps:
Step 1
Verify that "nsf" appears in the IS-IS configuration of the SSO-enabled device by entering the show
running-config command. The display will show either the Cisco IS-IS or the IETF IS-IS configuration.
The following display indicates that the device uses the Cisco implementation of IS-IS NSF:
Router# show running-config
<...Output Truncated...>
router isis
nsf cisco
<...Output Truncated...>
If the NSF configuration is set to cisco, enter the show isis nsf command to verify that NSF is enabled
Step 2
on the device. Using the Cisco configuration, the display output will be different on the active and
redundant RPs. The following display shows sample output for the Cisco configuration on the active RP.
In this example, note the presence of "NSF restart enabled":
router# show isis nsf
NSF is ENABLED, mode 'cisco'
RP is ACTIVE, standby ready, bulk sync complete
NSF interval timer expired (NSF restart enabled)
Checkpointing enabled, no errors
Local state:ACTIVE,
The following display shows sample output for the Cisco configuration on the standby RP. In this
example, note the presence of "NSF restart enabled":
router# show isis nsf
NSF enabled, mode 'cisco'
RP is STANDBY, chkpt msg receive count:ADJ 2, LSP 7
NSF interval timer notification received (NSF restart enabled)
Checkpointing enabled, no errors
Local state:STANDBY HOT,
OL-4266-08
Peer state:STANDBY HOT,
Peer state:ACTIVE,
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Purpose
(Optional) Specifies the time IS-IS will wait for the
IS-IS database to synchronize before generating
overloaded link-state information for itself and
flooding that information out to its neighbors.
The t3 keyword applies only if you selected IETF
operation. When you specify adjacency, the router
that is restarting obtains its wait time from
neighboring devices.
(Optional) Specifies how long an IS-IS NSF restart
will wait for all interfaces with IS-IS adjacencies to
come up before completing the restart. The default
is 10 seconds.
Mode:SSO
Mode:SSO
NSF Configuration Tasks
7-17
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