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13-5
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Chapter 13 Configuring LRE
Understanding LRE Features
LRE Sequences
The LRE switches are shipped with predefined sequences. Sequences are sets of profiles and are used
with the rate selection feature. The rate selection feature enables the switch to automatically select
profiles. You can also define your own sets of sequences by using the command-line interface (CLI)
commands or Cluster Management Suite (CMS). For more information, see the “Using Rate Selection
to Automatically Assign Profiles” section on page 13-14.
Table 13-3 and Table 13-4 list the predefined sequences for rate selection contained in the software.
When executing rate selection, the switch uses a sequence to choose an appropriate profile for a given
LRE interface.
Table 13-3 LRE Rate Selection Sequences for the Catalyst 2950ST-8 LRE and the 2950ST-24 LRE Switches
LRE-SEQ-
COMPLETE-
REACH
LRE-SEQ-
DOWNSTREAM LRE-SEQ-SYM
LRE-SEQ-SYM-
LONGREACH
LRE-SEQ-
SYMLL
LRE-SEQ-
UPSTREAM
LRE-SEQ-
VIDEO-
TRANSMIT1
LRE-SEQ-
VIDEO-
TRANSMIT2
LRE-15 LRE-15 LRE-15 LRE-5 LRE-15LL LRE-15 LRE-15 LRE-15
LRE-10 LRE-15-5 LRE-10 LRE-4 LRE-10LL LRE-10 LRE-15-5 LRE-15-5
LRE-15-5 LRE-15-3 LRE-8 LRE-3 LRE-5LL LRE-8 LRE-15-3 LRE-10
LRE-10-5 LRE-15-1 LRE-7 LRE-2 LRE-7 LRE-15-1 LRE-10-5
LRE-8 LRE-10 LRE-5 LRE-4-1 LRE-15-5 LRE-10 LRE-15-3
LRE-7 LRE-10-5 LRE-4 LRE-10-5 LRE-10-5 LRE-10-3
LRE-15-3 LRE-10-3 LRE-3 LRE-5 LRE-10-3 LRE-15-1
LRE-10-3 LRE-10-1 LRE-2 LRE-4 LRE-10-1 LRE-10-1
LRE-5 LRE-8 LRE-15-3
LRE-15-1 LRE-7 LRE-10-3
LRE-10-1 LRE-5 LRE-3
LRE-4 LRE-4 LRE-2
LRE-3 LRE-4-1 LRE-4-1
LRE-2 LRE-3
LRE-4-1 LRE-2