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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
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Chapter13 Configuring LRE
Configuring LRE Ports
LRE Message Logging Process
The Catalyst 2950 LRE switch software monitors switch conditions on a per-port basis and sends the
debugging messages to an LRE message logging process that is different than the system message
logging process described in Chapter 27, “Configuring System Message Logging.”
These options are available in the LRE logging process:
• Disabled—The switch does not log LRE events.
• Event—The switch logs only LRE events.
• Extended—The switch logs LRE events and all the LRE parameters.
• Normal—The switch logs LRE events and the typical LRE parameters.
You can use the logging lre interface configuration command to specify the mode in which to log LRE
events. To display the events on the LRE interfaces, use the show controllers lre log privileged EXEC
command. For more information about these commands, refer to the command reference for this release.
If the syslog export feature is enabled, the switch sends the information to the LRE message logging
process and to the system message logging process. For information about configuring this feature, see
the “Configuring Syslog Export” section on page 13-22.
Configuring LRE Ports
These sections describe configuration guidelines and how to assign a profile to all or to individual LRE
ports. These sections contain more information about LRE links, ports, and profiles:
• Default LRE Configuration, page 13-9
• Environmental Guidelines for LRE Links, page 13-9
• Guidelines for Using LRE Profiles, page 13-10
• CPE Ethernet Link Guidelines, page 13-11
• Assigning a Global Profile to All LRE Ports, page 13-12 (optional)
• Assigning a Profile to a Specific LRE Port, page 13-13 (optional)
• Assigning a Global Sequence to All LRE Ports, page 13-13 (optional)
• Assigning a Sequence to a Specific LRE Port, page 13-14 (optional)
• Using Rate Selection to Automatically Assign Profiles, page 13-14 (optional)
• Configuring LRE Link Persistence, page 13-19 (optional)
• Configuring LRE Link Monitor, page 13-20 (optional)
• Configuring LRE Interleave, page 13-20 (optional)
• Configuring Upstream Power Back-Off, page 13-21 (available only on the Catalyst 2950ST-24 LRE
997 switch) (optional)
• Configuring CPE Toggle, page 13-22 (optional)
• Configuring Syslog Export, page 13-22 (optional)
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