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Command mode: Admin Mode
Usage Guide: If detailed information about DVMRP packets (except prune and graft) is
required, this debug command can be used.
Example:
Switch#debug ip dvmrp detail
DVMRP detail debug is on
Switch#01: 18: 09: 35: DVMRP: Received probe on vlan1 from 192.168.1.22
01: 18: 09: 35: DVMRP: probe Vers: majorv 3, minorv 255
01: 18: 09: 35: DVMRP: probe flags: PG
01: 18: 09: 35: DVMRP: probe genid: 0x48
01: 18: 09: 35: DVMRP: probe nbrs: 192.168.1.11
01: 18: 09: 40: DVMRP: Send probe on vlan1 to 224.0.0.4, len 16
01: 18: 09: 40: DVMRP: probe Vers: majorv 3, minorv 255
01: 18: 09: 40: DVMRP: probe flags: PG
01: 18: 09: 40: DVMRP: probe genid: 0x24c57
01: 18: 09: 40: DVMRP: probe nbrs: 192.168.1.22
01: 18: 09: 40: DVMRP: Send probe on dvmrp2 to 224.0.0.4, len 12
01: 18: 09: 40: DVMRP: probe Vers: majorv 3, minorv 255
01: 18: 09: 40: DVMRP: probe flags: PG
01: 18: 09: 40: DVMRP: probe genid: 0x24f29
16.5.4.1.6 debug ip dvmrp pruning
Command: debug ip dvmrp pruning
no debug ip dvmrp pruning
Function: Enable the debug function for displaying DVMRP prune/graft information; the
“debug ip dvmrp pruning” command disables this debug function.
Parameter: N/A.
Default: Debug is disabled by default.
Command mode: Admin Mode
Usage Guide: If detailed DVMRP prune/graft information is required, this debug
command can be used.
Example:
Switch#debug ip dvmrp pruning
DVMRP pruning debug is on
02: 22: 20: 26: DVMRP: Received prune on vlan2 from 105.1.1.2, len 20
02: 22: 20: 26: DVMRP: Prune Vers: majorv 3, minorv 255
02: 22: 20: 26: DVMRP: Prune source 192.168.1.105, group 224.1.1.1
02: 22: 20: 40: DVMRP: Received graft on vlan1 from 105.1.1.2, len 16
02: 22: 20: 40: DVMRP: Graft Vers: majorv 3, minorv 255