3Com 3031 Command Reference Manual page 601

Example
Set IS-IS to receive packets whose cost type is narrow or wide, but only send
packets whose cost type is narrow.
[3Com] isis
[3Com-isis] cost-style narrow-compatible
debugging isis
Syntax
debugging isis { adjacency | all | authentication-error | checksum-error |
circuit-information | configuration-error | datalink-receiving-packet |
datalink-sending-packet | general-error | interface-information | memory-allocating
| receiving-packet-content | self-originate-update | sending-packet-content |
snp-packet | spf-event | spf-summary | spf-timer | task-error | timer | update-packet
}
undo debugging isis { adjacency | all | authentication-error | checksum-error |
circuit-information | configuration-error | datalink-receiving-packet |
datalink-sending-packet | general-error | interface-information | memory-allocating
| receiving-packet-content | self-originate-update | sending-packet-content |
snp-packet | spf-event | spf-summary | spf-timer | task-error | timer | update-packet
}
View
User view
Parameter
adjacency: IS-IS adjacency related packets.
all: All IS-IS related debugging information.
authentication-error: IS-IS authentication errors.
checksum-error: IS-IS checksum errors.
circuit-information: Information about IS-IS enabled interface.
configuration-error: IS-IS configuration errors.
datalink-receiving-packet: Data link layer's packets-receiving status.
datalink-sending-packet: Data link layer's packets-sending status.
general-error: IS-IS error information.
interface-information: Information about IS-IS enabled data link layer.
memory-allocating: IS-IS memory allocating status.
receiving-packet-content: Packets received through IS-IS protocol.
self-originate-update: Packets locally updated through IS-IS protocol.
sending-packet-content: Packets sent through IS-IS protocol.
snp-packet: CSNP/PSNP packet of IS-IS.
spf-event: IS-IS SPF events.
spf-summary: Statistics about IS-IS performing SPF calculation.
spf-timer: IS-IS SPF trigger events.
task-error: IS-IS events status.
Integrated IS-IS Configuration Commands 601