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Configuring Mobile IP
Mobile IP HA Redundancy Configuration Task List
IPC-174
Cisco IOS IP Configuration Guide
Enabling HA Redundancy for Multiple Virtual Networks Using One Physical
Network
To enable HA redundancy for multiple virtual networks using one physical network, use the following
commands beginning in interface configuration mode:
Enabling HA Redundancy for Multiple Virtual Networks Using Multiple
Physical Networks
To enable HA redundancy for multiple virtual networks using multiple physical networks, use the
following commands beginning in interface configuration mode:
Command Purpose
Step 1
Router(config-if)# standby [group-number] ip
ip-address
Enables the HSRP.
Step 2
Router(config-if)# standby name hsrp-group-name
Sets the name of the standby group.
Step 3
Router(config)# ip mobile home-agent address address
or
Router(config)# ip mobile home-agent
Defines a global home agent address. In this
configuration, the address is the HSRP group
address. Enter this command if the mobile node
and home agent are on different subnets.
or
Enables and controls home agent services to the
router. Enter this command if the mobile node and
home agent are on the same subnet.
Step 4
Router(config)# ip mobile virtual-network net mask
[address address]
Defines the virtual networks. Repeat this step for
each virtual network. If the mobile node and home
agent are on the same subnet, use the [address
address] option.
Step 5
Router(config)# ip mobile home-agent standby
hsrp-group-name [[virtual-network] address address]
Configures the home agent for redundancy using
the HSRP group to support virtual networks.
Step 6
Router(config)# ip mobile secure home-agent address
spi spi key hex string
Sets up the home agent security association
between peer routers. If configured on the active
HA, the IP address address argument is that of the
standby HA. If configured on the standby HA, the
IP address address argument is that of the active
router. Note that a security association needs to be
set up between all HAs in the standby group.
Command Purpose
Step 1
Router (config-if)# standby [group-number] ip
ip-address
Enables the HSRP.
Step 2
Router(config-if)# standby name hsrp-group-name1
Sets the name of the standby HSRP group 1.
Step 3
Router(config-if)# standby name hsrp-group-name2
Sets the name of the standby HSRP group 2.