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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
OL-9639-07
Chapter 17 Configuring Resilient Ethernet Protocol
Configuring REP
Step 5
rep segment segment-id [edge [no-neighbor]
[primary]] [preferred]
Enable REP on the interface, and identify a segment number. The
segment ID range is from 1 to 1024. These optional keywords are
available.
Note You must configure two edge ports, including one primary
edge port for each segment.
• Enter edge to configure the port as an edge port. Enter edge
without the primary keyword to configure the port as the
secondary edge port. Each segment has only two edge ports.
• (Optional) Enter no-neighbor to configure a port with no
external REP neighbors as an edge port. The port inherits all
properties of edge ports, and you can configure them the same as
any edge port.
• (Optional) On an edge port, enter primary to configure the port
as the primary edge port, the port on which you can configure
VLAN load balancing.
Note Although each segment can have only one primary edge port,
if you configure edge ports on two different switches and
enter the primary keyword on both switches, the
configuration is allowed. However, REP selects only one of
these ports as the segment primary edge port. You can
identify the primary edge port for a segment by entering the
show rep topology privileged EXEC command.
• (Optional) Enter preferred to set the port as the preferred
alternate port or the preferred port for VLAN load balancing.
Note Configuring a port as preferred does not guarantee that it
becomes the alternate port; it merely gives it a slight edge
among equal contenders. The alternate port is usually a
previously failed port.
Step 6
rep stcn {interface interface-id | segment
id-list | stp}
(Optional) Configure the edge port to send segment topology change
notices (STCNs).
• Enter interface interface-id to designate a physical interface or
port channel to receive STCNs.
• Enter segment id-list to identify one or more segments to receive
STCNs. The range is 1 to 1024.
• Enter stp to send STCNs to STP networks.
Command Purpose
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