54
OL-4923-01 B0
NSF L2 active LSPs:0
NSF interfaces awaiting L2 CSNP:0
Awaiting L2 LSPs:
Interface:Serial3/0/2
NSF L1 Restart state:Running
NSF p2p Restart retransmissions:0
Maximum L1 NSF Restart retransmissions:3
L1 NSF ACK requested:FALSE
L1 NSF CSNP requested:FALSE
NSF L2 Restart state:Running
NSF p2p Restart retransmissions:0
Maximum L2 NSF Restart retransmissions:3
L2 NSF ACK requested:FALSE
Interface:GigabitEthernet2/0/0
NSF L1 Restart state:Running
NSF L1 Restart retransmissions:0
Maximum L1 NSF Restart retransmissions:3
L1 NSF ACK requested:FALSE
L1 NSF CSNP requested:FALSE
NSF L2 Restart state:Running
NSF L2 Restart retransmissions:0
Maximum L2 NSF Restart retransmissions:3
L2 NSF ACK requested:FALSE
L2 NSF CSNP requested:FALSE
Interface:Loopback1
NSF L1 Restart state:Running
NSF L1 Restart retransmissions:0
Maximum L1 NSF Restart retransmissions:3
L1 NSF ACK requested:FALSE
L1 NSF CSNP requested:FALSE
NSF L2 Restart state:Running
NSF L2 Restart retransmissions:0
Maximum L2 NSF Restart retransmissions:3
L2 NSF ACK requested:FALSE
L2 NSF CSNP requested:FALSE
Troubleshooting NSF Features
To troubleshoot the NSF feature, use the following commands in privileged EXEC mode, as needed:
Command
Purpose
Router# clear cef epoch
Begins a new epoch and increments the epoch number for a CEF table.
Router# debug isis nsf [detail]
Displays information about the IS-IS state during a Cisco NSF restart.
Router# debug ospf nsf [detail]
Displays debugging messages related to OSPF Cisco NSF commands.
Router# show cef nsf
Displays the current NSF state of CEF on both the active and standby RSPs.
Router# show cef state
Displays the state of CEF on a networking device.
Router# show clns neighbors
Display both end-system (ES) and intermediate system (IS) neighbors.
Router> show ip bgp
Displays entries in the BGP routing table.
Router# show ip bgp neighbor
Displays information about the TCP and BGP connections to neighbor
devices.
Router# show ip cef
Displays entries in the FIB that are unresolved, or displays a FIB summary.
Router> show ip ospf
Displays general information about OSPF routing processes.
Router> show ip ospf neighbor [detail]
Displays OSPF-neighbor information on a per-interface basis.