168 
Displaying and maintaining IS-IS 
Execute display commands in any view and the reset command in user view. 
 
Display IS-IS process information. 
display isis 
[ process-id ] 
(In standalone mode.) Display IS-IS 
GR log information.  
display isis graceful-restart event-log slot
 slot-number
 
(In IRF mode.) Display IS-IS GR log 
information.  
display isis graceful-restart event-log chassis
 chassis-number 
slot
 slot-number
 
Display the IS-IS GR status. 
display isis graceful-restart status
 [ 
level-1
 | 
level-2
 ] [ process-id ]
 
Display IS-IS interface information. 
display
 
isis
 
interface
 [ [ interface-type interface-number ] 
[
 verbose 
] | 
statistics 
] [ process-id ]
 
Display IS-IS LSDB information. 
display isis lsdb
 [ [
 level-1
 | 
level-2
 ] | 
local
 | 
lsp-id
 lspid | 
[ 
lsp-name 
lspname ] | 
verbose
 ] * [ process-id ] 
Display IS-IS LSDB statistics. 
display isis lsdb statistics 
[ 
 | 
 ] [ process-id ]
Display IS-IS mesh group 
information. 
display isis mesh-group
 [ process-id ]
 
Display the host name to system ID 
mapping table. 
display isis name-table
 [ process-id ]
 
(In standalone mode.) Display IS-IS 
NSR log information.  
display isis non-stop-routing event-log slot
 slot-number
 
(In IRF mode.) Display IS-IS NSR 
log information.  
display isis non-stop-routing event-log chassis
 chassis-number 
slot
 slot-number
 
Display the IS-IS NSR status. 
display isis non-stop-routing status 
Display IS-IS packet statistics. 
display isis packet
 { 
csnp
 | 
hello
 | 
lsp
 | 
psnp
 } [ 
verbose
 ] 
[ interface-type interface-number ] [ process-id ]
 
Display IS-IS neighbor information. 
display
 
isis
 
peer
 [ 
statistics | verbose
 ] [ process-id ] 
Display IS-IS redistributed route 
information. 
display isis redistribute 
[
 ipv4 
[ ip-address mask-length ] ] [ 
level-1 
|
 level-2 
] [
 
process-id
 
]
 
Display IS-IS IPv4 routing 
information. 
display isis route
 [ 
ipv4
 [ ip-address mask-length ] ] [ [ 
level-1
 |
 
 ] | 
 ] * [ process-id ] 
Display IS-IS IPv4 topology 
information. 
display isis spf-tree
 [ 
ipv4 
] [ [ 
level-1
 | 
level-2
 ] | 
verbose
 ] * 
[ process-id ]
 
Display IS-IS statistics. 
display isis statistics
 [ 
ipv4
 ] [ 
level-1 
|
 level-1-2 
|
 level-2
 ] 
[ process-id ] 
(In standalone mode.) Display OSI 
connection information.  
display osi
 [ 
slot
 slot-number ]
 
(In IRF mode.) Display OSI 
connection information.  
display osi
 [ 
chassis 
chassis-number 
slot
 slot-number ]
 
(In standalone mode.) Display OSI 
connection statistics.  
display osi statistics
 [ 
slot
 slot-number ]
 
(In IRF mode.) Display OSI 
connection statistics.  
display osi statistics
 [ 
chassis 
chassis-number 
slot
 slot-number ]
 
Clear IS-IS process data structure 
information. 
reset isis all 
[
 
process-id ] [ 
graceful-restart
 ]