Debugging Is-Is - Dell S3048-ON Configuration Manual

eljefe.00-00 * 0x0000000A
eljefe.01-00 * 0x00000001
eljefe.02-00 * 0x00000001
Force10.00-00 0x00000002
IS-IS Level-2 Link State Database
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
B233.00-00 0x00000006
eljefe.00-00 * 0x0000000E
eljefe.01-00 * 0x00000001
eljefe.02-00 * 0x00000001
Force10.00-00 0x00000004
Dell#

Debugging IS-IS

To debug IS-IS processes, use the following commands.
• View all IS-IS information.
EXEC Privilege mode
debug isis
• View information on all adjacency-related activity (for example, hello packets that are sent and received).
EXEC Privilege mode
debug isis adj-packets [interface]
To view specific information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View information about IS-IS local update packets.
EXEC Privilege mode
debug isis local-updates [interface]
To view specific information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View IS-IS SNP packets, include CSNPs and PSNPs.
EXEC Privilege mode
debug isis snp-packets [interface]
To view specific information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View the events that triggered IS-IS shortest path first (SPF) events for debugging purposes.
EXEC Privilege mode
debug isis spf-triggers
• View sent and received LSPs.
EXEC Privilege mode
debug isis update-packets [interface]
To view specific information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
Dell Networking OS displays debug messages on the console. To view which debugging commands are enabled, use the show
debugging command in EXEC Privilege mode.
414 Intermediate System to Intermediate System
0xF963 1196
0x68DF 1108
0x2E7F 1099
0xD1A7 1088
0xC38A 1110
0x53BF 1196
0x68DF 1108
0x2E7F 1099
0xCDA9 1093
0/0/1
0/0/0
0/0/0
0/0/0
0/0/0
0/0/1
0/0/0
0/0/0
0/0/0