Cisco IE-3000-8TC Command Reference

B-74
Cisco IE 3000 Switch Command Reference
OL-13019-01
Appendix B IE 3000 Switch Debug Commands
debug udld
debug udld
Use the debug udld privileged EXEC command to enable debugging of the UniDirectional Link
Detection (UDLD) feature. Use the no form of this command to disable UDLD debugging.
debug udld {events | packets | registries}
no debug udld {events | packets | registries}
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug udld command is the same as the no debug udld command.
For debug udld events, these debugging messages appear:
• General UDLD program logic flow
• State machine state changes
• Program actions for the set and clear ErrDisable state
• Neighbor cache additions and deletions
• Processing of configuration commands
• Processing of link-up and link-down indications
For debug udld packets, these debugging messages appear:
• General packet processing program flow on receipt of an incoming packet
• Indications of the contents of the various pieces of packets received (such as type length versions
[TLVs]) as they are examined by the packet reception code
• Packet transmission attempts and the outcome
events Display debug messages for UDLD process events as they occur.
packets Display debug messages for the UDLD process as it receives packets from the
packet queue and tries to send them at the request of the UDLD protocol code.
registries Display debug messages for the UDLD process as it processes registry calls from
the UDLD process-dependent module and other feature modules.
Release Modification
12.2(44)EX This command was introduced.

Cisco IE-3000-8TC Specifications

General

Switching Capacity	16 Gbps
MAC Address Table Size	8000
Uplink Ports	2 x 10/100/1000Base-T or SFP (Small Form-Factor Pluggable)
Operating Temperature	-40°C to 70°C
Mounting	DIN rail
Ports	8 x Ethernet 10/100Base-TX ports
Jumbo Frame Support	Yes