Chapter 13
Configuring Cisco NSF with SSO Supervisor Engine Redundancy
Switch#
Configuring CEF NSF
The CEF NSF feature operates by default while the networking device is running in SSO mode. No
configuration is necessary.
Verifying CEF NSF
To verify that CEF is NSF-capable, enter the show cef state command:
Switch# show cef state
CEF Status [RP]
CEF enabled/running
dCEF enabled/running
CEF switching enabled/running
CEF default capabilities:
Always FIB switching:
Default CEF switching:
Default dCEF switching:
Update HWIDB counters:
Drop multicast packets:
.
.
.
CEF NSF capable:
IPC delayed func on SSO:
RRP state:
I am standby RRP:
My logical slot:
RF PeerComm:
Configuring BGP NSF
Note
You must configure BGP graceful restart on all peer devices participating in BGP NSF.
To configure BGP for NSF, perform this task (repeat this procedure on each of the BGP NSF peer
devices):
Command
Step 1
Switch# configure terminal
keep_alive threshold = 18
RF debug mask = 0x0
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Configuring NSF with SSO Supervisor Engine Redundancy
yes
yes
yes
no
no
yes
no
no
0
no
Purpose
Enters global configuration mode.
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