VLAN Translation with ESRP Redundancy

The example in the following figure configures a VLAN translation network with ESRP (Extreme Standby Router Protocol) redundancy.

The SW2 and SW3 VLAN translation switches are protected by an ESRP control VLAN. The master ESRP switch performs the translation and provides the connectivity to the backbone. If a failure occurs, the slave ESRP switch takes over and begins performing the translation.

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ESRP Redundancy Configuration Example
../Graphics/EX_vlan_0005.svg

The following configuration commands create the member VLANs on SW1:

create vlan v101
configure v101 tag 101
configure v101 add ports 1:1 tagged
configure v101 add ports 1:3 tagged
configure v101 add ports 1:4 tagged
create vlan v102
configure v102 tag 102
configure v102 add ports 1:1 tagged
configure v102 add ports 1:3 tagged
configure v102 add ports 1:4 tagged
create vlan v103
configure v103 tag 103
configure v103 add ports 1:2 tagged
configure v103 add ports 1:3 tagged
configure v103 add ports 1:4 tagged
create vlan v104
configure v104 tag 104
configure v104 add ports 1:2 tagged
configure v104 add ports 1:3 tagged
configure v104 add ports 1:4 tagged

The configuration for SW2 and SW3 is identical for this example.

The following configuration commands create the member VLANs on SW2:

create vlan v101
configure v101 tag 101
configure v101 add ports 1:3 tagged
create vlan v102
configure v102 tag 102
configure v102 add ports 1:3 tagged
create vlan v103
configure v103 tag 103
configure v103 add ports 1:3 tagged
create vlan v104
configure v104 tag 104
configure v104 add ports 1:3 tagged

This set of configuration commands creates the translation VLANs and enables VLAN translation on SW2:

create vlan v1000
configure v1000 tag 1000
configure v1000 add ports 2:1 tagged
configure v1000 vlan-translation add member-vlan v101
configure v1000 vlan-translation add member-vlan v102
configure v1000 vlan-translation add member-vlan v103
configure v1000 vlan-translation add member-vlan v104

The final set of configuration commands creates the ESRP control VLAN and enables ESRP protection on the translation VLAN for SW2:

create vlan evlan
configure evlan add ports 2:2
enable esrp evlan
configure evlan add domain-member v1000

The following configuration commands create the translation VLAN and enable VLAN translation onVLANs that have overlapping ports:

configure v1000 vlan-translation add member-vlan v102 loopback-port 1:22
configure v1000 vlan-translation add member-vlan v103 loopback-port 1:23
configure v1000 vlan-translation add member-vlan v104 loopback-port 1:24