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Aruba Mobility Controllers: A200, A800, A2400, A6000
PN: 1725-36080-001_J.doc
2
7
Subnet Roaming
The Aruba system can be set up to support inter-switch inter-subnet
roaming. The topology is as shown in the figure on page 2.
When two or more switches are used in the Aruba WLAN system,
one switch has to be identified as the master and the others as the
local switch. During VIEW Certification testing, the Aruba 800 was
configured as the master switch and the Aruba 6000 was configured
as a local switch; therefore, this configuration is used in the following
examples.
For instructions on setting up a switch as a local switch refer to
Aruba’s user guides.
Ensure that both switches have IP connectivity. A simple ping from
each of the switches to the other switch can be used to verify
connectivity. In a master local setup all AP, authentication, and
firewall configurations will be made on the master and pushed down
to the local switch.
In the configuration tested, all APs with location code 1.1.0 were
configured to boot off of the master switch and all APs with location
code 1.2.0 were configured to boot off of the local switch.
To use the Web interface to configure this, do the following:
1. From the master switch, navigate to the
Configuration > WLAN >
Advanced tab.
2. Add a new location
1.1.0 and click the Apply button.
3. In the next page click the
General tab and set the LMSIP to the
“switch IP” address of the master.
4. Apply the configurations.
5. Configure location
1.2.0 in a similar manner and set the LMSIP
address to the “switch IP” address of the local switch.
6. Create a default route for multicast traffic re-direction on the
switch that acts as the Mobility Home Agent for the
Voice group
(this was done on the master switch in the test example).