VRRP/Examples/Example 1: Sharing one address between two hosts

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(New page: :This is meant to be an example, and '''not''' a complete VRRP configuration. ===Scenario=== :You have two routers, each with a connection to the internet, and want to ensure that traffic ...)
 
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:You have two routers, each with a connection to the internet, and want to ensure that traffic from your LAN always finds its way out to the world.
:You have two routers, each with a connection to the internet, and want to ensure that traffic from your LAN always finds its way out to the world.
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!  
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:This configuration would go on router1. This
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interface Ethernet0  
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!  
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description Office LAN  
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interface Ethernet0  
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ip address 10.10.10.1 255.255.255.0  
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  description Office LAN  
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vrrp 1 ip 10.10.10.3
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  ip address 10.10.10.2 255.255.255.0  
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vrrp 1 priority 200  
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  vrrp 1 ip 10.10.10.1
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vrrp 1 authentication isis
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  vrrp 1 priority 200  
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!
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  vrrp 1 authentication isis
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interface Ethernet1
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!
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description Connection to co-lo
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interface Ethernet1
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ip address 63.67.72.155 255.255.255.0
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  description Connection to ISP1
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!
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  ip address 63.67.72.155 255.255.255.0
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!
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ip route add default via 63.67.72.1
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:This configuration goes on router2
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!
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interface Ethernet0
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  description Office LAN
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  ip address 10.10.10.3 255.255.255.0
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  vrrp 1 ip 10.10.10.1
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  vrrp 1 priority 200
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  vrrp 1 authentication isis
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!
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interface Serial0
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  encapsulation ppp
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  description Connection to ISP2
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  ip address 33.6.72.155 255.255.255.252
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!
 +
ip route add default via 33.6.72.154

Latest revision as of 15:29, 2 July 2008

This is meant to be an example, and not a complete VRRP configuration.

Scenario

You have two routers, each with a connection to the internet, and want to ensure that traffic from your LAN always finds its way out to the world.
This configuration would go on router1. This
! 
interface Ethernet0 
 description Office LAN 
 ip address 10.10.10.2 255.255.255.0 
 vrrp 1 ip 10.10.10.1 
 vrrp 1 priority 200 
 vrrp 1 authentication isis
!
interface Ethernet1
 description Connection to ISP1
 ip address 63.67.72.155 255.255.255.0
!
ip route add default via 63.67.72.1
This configuration goes on router2
! 
interface Ethernet0 
 description Office LAN 
 ip address 10.10.10.3 255.255.255.0 
 vrrp 1 ip 10.10.10.1 
 vrrp 1 priority 200 
 vrrp 1 authentication isis
!
interface Serial0
 encapsulation ppp
 description Connection to ISP2
 ip address 33.6.72.155 255.255.255.252
!
ip route add default via 33.6.72.154
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