Overview Of Vrrp; Standard Vrrp - Dell PowerConnect B-RX Configuration Manual

Configuring VRRP and VRRPE

Overview of VRRP

This chapter describes how to configure the following router redundancy protocols:
•
•
This section presents the standard VRRP options and the options that Brocade added in its
implementation of VRRP.

Standard VRRP

VRRP is an election protocol that provides redundancy to routers within a LAN. VRRP allows you to
provide alternate router paths for a host without changing the IP address or MAC address by which
the host knows its gateway. Consider the situation shown in
FIGURE 84
BigIron RX Series Configuration Guide
53-1002253-01
Virtual Router Redundancy Protocol (VRRP) – The standard router redundancy protocol
described in RFC 3768.
VRRP Extended (VRRPE) – A Brocade proprietary version of VRRP that overcomes limitations in
the standard protocol. This protocol works only with Brocade devices.
Router1 is Host1's default gateway but is a single point of failure
Internet
or
enterprise Intranet
e 2/4
Router1
e 1/6 192.53.5.1
Figure 84.
Internet
or
enterprise Intranet
e 3/2
Router2
e 1/5
Host1
Default Gateway
192.53.5.1
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