Westermo MRI-128-F4G-PSE24 User Manual

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environment, the traffic can only be forwarded under the same ring ID.

Name: This field will show the name of the Ring. If it is not filled in when creating,

it will be automatically named by the rule “RingID”.
Version: The version of Ring can be changed here. There are three modes to

choose: Rapid Super Ring as default.

Device Priority: The switch with highest priority (highest value) will be

automatically selected as Ring Master. Then one of the ring ports in this switch
will become forwarding port and the other one will become blocking port. If all of
the switches have the same priority, the switch with the biggest MAC address will

be selected as Ring Master.

Ring Port1: In Rapid Super Ring environment, you should have 2 Ring Ports. No
matter this switch is Ring Master or not, when configuring RSR, 2 ports should be

selected to be Ring Ports. For Ring Master,

one of the ring ports will become the

forwarding port and the other one will become the blocking port.

Path Cost: Change the Path Cost of Ring Port1. If this switch is the Ring Master of

a Ring, then it determines the blocking port. The Port with higher Path Cost in the
two ring Port will become the blocking port, If the Path Cost is the same, the port

with larger port number will become the blocking port.

Ring Port2: Assign another port for ring connection

Path Cost: Change the Path Cost of Ring Port2
Rapid Dual Homing: Rapid Dual Homing is a feature of MSR. When you want to

connect multiple RSR or form a redundant topology with other vendors, RDH
could allow you to have maximum seven multiple links for redundancy without

any problem.

In Rapid Dual Homing, you don’t need to configure specific port to connect to
other protocol. The Rapid Dual Homing will smartly choose the fastest link for

primary link and block all the other links to avoid loop. If the primary link failed,
Rapid Dual Homing will automatically forward the secondary link for network

redandacy. If there are more connections, they will be standby links and recover
one of them if both primary and secondary links are down.

Ring status: To enable/disable the Ring. Please remember to enable the ring after

you add it.

4.5.7 Ring Info

This page shows the RSR information.

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