3Com 6200 manual Configuring the Virtual Router Redundancy Protocol VRRP, 4-18

Models: 6200

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Configuring the Virtual Router Redundancy Protocol (VRRP)

Configuring the Security Switch 6200 System

Configuring the Virtual Router Redundancy Protocol (VRRP)

The Virtual Router Redundancy Protocol (VRRP) dynamically assigns responsibility for one or more virtual routers to the VRRP routers on a LAN, allowing several routers on a multiaccess link to utilize the same virtual IP address. The system can be configured to run the VRRP protocol in conjunction with one or more other systems attached to a LAN.

VRRP which manages automatic switchover from one VPN Concentrator to another in a redundant installation. Automatic switchover provides user access to the VPN even if one VPN is out of service for some reason, for example a system crash, power failure, hardware failure, physical interface failure, system shutdown or reboot.

These functions apply only to installations where two or more VPNs are in parallel, with the Public interfaces of all systems on a common LAN and with the Private and/or External interfaces of all systems on different common LANs. One VPN is the Master system, and the others are Backup systems. A Backup system acts as a virtual Master system when a switchover occurs. VRRP works only on LAN (Ethernet) interfaces, not on WAN interfaces.

To configure VRRP:

1.Select Option 12 from the main menu.

VRRP Configuration

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Virtual Router Redundancy Protocol can be defined, each with its own identifier.

4-18

3COM Security Switch 6200 Hardware and Software Users Guide

Page 50
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3Com 6200 manual Configuring the Virtual Router Redundancy Protocol VRRP, 4-18