Cisco 2900 - Catalyst Expansion Module, Руководство по установке оборудования, Страница: 95 / 162

3-7
Catalyst 2900 Series XL Hardware Installation Guide
78-6461-04
Chapter 3 Troubleshooting
Diagnosing Problems
LRE status LED stays
amber. The switch and CPE are unable to
establish an LRE link with the profile
selected by the switch.
•
Change to a lower profile. For
more information, refer to the
Catalyst 2900 Series XL and
Catalyst 3500 Series XL
Software Configuration
Guide
• Reduce the effect of stubs or
bridge taps by terminating
them with 300-ohm
microfilters.
Trunk quality too poor to support desired
profile.
•
Change to a lower profile. For
more information, refer to the
Catalyst 2900 Series XL and
Catalyst 3500 Series XL
Software Configuration
Guide
.
•
Assess possibility of
improving trunk quality.
Excessive interference from other
services in bundle.
•
Consider use of appropriate
public profile in bundles
shared with other services.
•
Restrict the use of spectrally
incompatible services.
Local nonstandard noise source. Consult Cisco sales representative
for installation optimization.
Table 3-2 Common Problems and Their Solutions (continued)
Symptom Possible Cause Resolution