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4-18 3COM Security Switch 6200 Hardware and Software Users Guide
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.