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Configuring Mobile IP
Mobile IP Configuration Examples
IPC-190
Cisco IOS IP Configuration Guide
Note All routers must have identical loopback interface addresses, which will be used as the global HA
address. However, do not use this address as the router ID for routing protocols.
When the peer home agent receives the registration update, both home agents tunnel the packets to the
mobile nodes.
HA1 Configuration
interface ethernet0
ip address 1.0.0.1 255.0.0.0
standby ip 1.0.0.10
standby name SanJoseHANet1
interface ethernet1
ip address 2.0.0.1 255.0.0.0
standby ip 2.0.0.10
standby name SanJoseHANet2
interface loopback0
ip address 10.0.0.10 255.255.255.255
!Specifies global HA address=loopback address to be used by all mobile nodes
ip mobile home-agent address 10.0.0.10
ip mobile virtual-network 20.0.0.0 255.0.0.0
ip mobile virtual-network 30.0.0.0 255.0.0.0
ip mobile virtual-network 40.0.0.0 255.0.0.0
! Used to map to the HSRP group SanJoseHANet1
ip mobile home-agent standby SanJoseHANet1 virtual-network
! Used to map to the HSRP group SanJoseHANet2
ip mobile home-agent standby SanJoseHANet2 virtual-network
ip mobile secure home-agent 1.0.0.2 spi 100 key hex 00112233445566778899001122334455
ip mobile secure home-agent 2.0.0.2 spi 100 key hex 00112233445566778899001122334455
HA2 Configuration
interface ethernet0
ip address 1.0.0.2 255.0.0.0
standby ip 1.0.0.10
standby name SanJoseHANet1
interface ethernet1
ip address 2.0.0.2 255.0.0.0
standby ip 2.0.0.10
standby name SanJoseHANet2
interface loopback0
ip address 10.0.0.10 255.255.255.255
!Specifies global HA address=loopback address to be used by all mobile nodes
ip mobile home-agent address 10.0.0.10
ip mobile virtual-network 20.0.0.0 255.0.0.0
ip mobile virtual-network 30.0.0.0 255.0.0.0
ip mobile virtual-network 40.0.0.0 255.0.0.0
! Used to map to the HSRP group SanJoseHANet1
ip mobile home-agent standby SanJoseHANet1 virtual-network
! Used to map to the HSRP group SanJoseHANet2
ip mobile home-agent standby SanJoseHANet2 virtual-network
ip mobile secure home-agent 1.0.0.1 spi 100 key hex 00112233445566778899001122334455
ip mobile secure home-agent 2.0.0.1 spi 100 key hex 00112233445566778899001122334455