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Configuration Guide
PN: 1725-36060-001_D.doc
10
Subnet roaming configuration between multiple MX
switches
To set up subnet roaming between two switches, a mobility domain
must be configured on both switches. Choose one of the switches to
be the “seed” switch.
The IP addresses used in mobility domain configuration must use
the system IP address of each switch).
The following commands are performed on the seed MX switch:
set system ip-address 1.1.1.1
set mobility-domain mode seed domain-name <
domain name>
set mobility-domain member 1.1.3.1
# configures the domain member
The following commands are performed on the other (member) MX
switch:
set system ip-address 1.1.3.1
set mobility-domain mode member seed-ip 1.1.1.1
Be sure to disable IGMP snooping temporarily on the MX that does
NOT have the VLAN statically configured by using the command:
set igmp disable vlan v1
# the VLAN name must be specified after the vlan
keyword
If you have a previous mobility-domain configuration that is no
longer valid, you must clear the existing mobility-domain before a
new one can be defined:
clear mobility-domain
# system will respond: Success: change accepted
show mobility-domain config
# system will respond: There is no mobility domain
configuration
To check the mobility domain, use the following command:
show mobility-domain
The system will respond:
Mobility Domain name: default
Member State
1.1.1.1 STATE_UP SEED
1.1.3.1 STATE_UP MEMBER