Foundry Configuration Guide for the FESX, FSX, and FWSX
8 - 16 © Foundry Networks, Inc. December 2005
MRP CLI Example
The following examples show the CLI commands required to implement the MRP configuration shown in Figure
8.6 on page 8-10.
NOTE: For simplicity, the figure shows the VLANs on only two switches. The CLI examples implement the ring
on all four switches.
Commands on Switch A (Master Node)
The following commands configure a VLAN for the ring. The ring VLAN must contain both of the node’s interfaces
with the ring. Add these interfaces as tagged interfaces, since the interfaces also must be in each of the customer
VLANs configured on the node.
FastIron SuperX Router(config)# vlan 2
FastIron SuperX Router(config-vlan-2)# tag ethernet 1/1 to 1/2
FastIron SuperX Router(config-vlan-2)# metro-ring 1
FastIron SuperX Router(config-vlan-2-mrp-1)# name “Metro A”
FastIron SuperX Router(config-vlan-2-mrp-1)# master
FastIron SuperX Router(config-vlan-2-mrp-1)# ring-interface ethernet 1/1 ethernet 1/
2
FastIron SuperX Router(config-vlan-2-mrp-1)# enable
FastIron SuperX Router(config-vlan-2-mrp-1)# exit
FastIron SuperX Router(config-vlan-2)# exit
The following commands configure the customer VLANs. The customer VLANs must contain both the ring
interfaces as well as the customer interfaces.
FastIron SuperX Router(config)# vlan 30
FastIron SuperX Router(config-vlan-30)# tag ethernet 1/1 to 1/2
FastIron SuperX Router(config-vlan-30)# tag ethernet 2/1
FastIron SuperX Router(config-vlan-30)# exit
FastIron SuperX Router(config)# vlan 40
FastIron SuperX Router(config-vlan-40)# tag ethernet 1/1 to 1/2
FastIron SuperX Router(config-vlan-40)# tag ethernet 4/1
FastIron SuperX Router(config-vlan-40)# exit
The following commands configure topology group 1 on VLAN 2. The master VLAN is the one that contains the
MRP configuration. The member VLANs use the MRP parameters of the master VLAN. The control interfaces
(the ones shared by the master VLAN and member VLAN) also share MRP state.
FastIron SuperX Router(config)# topology-group 1
FastIron SuperX Router(config-topo-group-1)# master-vlan 2
RHPs rcvd The number of RHPs received on the interface.
Note: On most Foundry devices, this field applies only to the master
node. On non-master nodes, this field contains 0. This is because
the RHPs are forwarded in hardware on the non-master nodes.
However, on the FastIron devices, the RHP received counter on non-
master MRP nodes increment. This is because, on FastIron devices,
the CPU receives a copy of the RHPs forwarded in hardware.
TC RHPs rcvd The number of Topology Change RHPs received on the interface. A
Topology Change RHP indicates that the ring topology has changed.
State changes The number of MRP interface state changes that have occurred. The
state can be one of the states listed in the Forwarding state field.
Table 8.4: CLI Display of MRP Ring Information (Continued)
This Field... Displays...
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