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ERPS:
Enable or disable ERPS function.
ERPS Configuration:
Version:
ERPS has version 1 and 2. Now we just suport ERPSv1
Node State:
The current state of the node, Idle and Protection.
Node Role:
The rlole of the node, RPL owner and Ring node. The RPL owner is an
Ethernet ring node adjacent to the RPL.
Control Channel:
Control Channel provide a communication channel for ring automatic
protection switching (R-APS) information.
Ring Port:
A ring link is bounded by two adjacent nodes and a port for a ring link is called a
ring port.
RPL Port:
The ring protection link (RPL) is the ring link which under normal conditions, i.e.,
without any failure or request, is blocked for traffic channel, to prevent the formation of
loops.
4.4.10
Command Lines:
Feature
Command Line
Global
Enable
Switch(config)# spanning-tree enable
Disable
Switch (config)# spanning-tree disable
Mode (Choose the
Spanning Tree
mode)
Switch(config)# spanning-tree mode
rst the rapid spanning-tree protocol (802.1w)
stp the spanning-tree prtotcol (802.1d)
mst the multiple spanning-tree protocol (802.1s)
Bridge Priority
Switch(config)# spanning-tree priority
<0-61440> valid range is 0 to 61440 in multiple of 4096
Switch(config)# spanning-tree priority 4096
Bridge Times
Switch(config)# spanning-tree bridge-times (forward Delay)
(max-age) (Hello Time)
Switch(config)# spanning-tree bridge-times 15 20 2
This command allows you configure all the timing in one time.
Forward Delay
Switch(config)# spanning-tree forward-time
<4-30> Valid range is 4~30 seconds
Switch(config)# spanning-tree forward-time 15
Max Age
Switch(config)# spanning-tree max-age
<6-40> Valid range is 6~40 seconds
Switch(config)# spanning-tree max-age 20
Hello Time
Switch(config)# spanning-tree hello-time
<1-10> Valid range is 1~10 seconds
Switch(config)# spanning-tree hello-time 2
MSTP
Enter the MSTP
Configuration Tree
Switch(config)# spanning-tree mst
MSTMAP the mst instance number or range
configuration enter mst configuration mode
forward-time the forwa66oreneay time
hello-time the hello time
max-age the message maximum age time
max-hops the maximum hops
sync sync port state of exist vlan entry
Switch(config)# spanning-tree mst configuration
