Netgear XCM8806 - 8800 SERIES 6-SLOT CHASSIS SWITCH ユーザーズマニュアル
Chapter 19. VRRP
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19.
VRRP
This chapter includes the following sections:
• Overview
This chapter assumes that you are already familiar with the Virtual Router Redundancy Protocol
(VRRP). If not, see the following publications for additional information:
(VRRP). If not, see the following publications for additional information:
•
RFC 2338—Virtual Router Redundancy Protocol (VRRP)
•
RFC 2787—Definitions of Managed Objects for the Virtual Router Redundancy Protocol
•
Draft IETF VRRP Specification v2.06
Overview
VRRP allows multiple switches to provide redundant routing services to users. VRRP is used to
eliminate the single point of failure associated with manually configuring a default gateway
address on each host in a network. Without using VRRP, if the configured default gateway fails,
you must reconfigure each host on the network to use a different router as the default gateway.
VRRP provides a redundant path for the hosts. Using VRRP, if the default gateway fails, the
backup router assumes forwarding responsibilities.
eliminate the single point of failure associated with manually configuring a default gateway
address on each host in a network. Without using VRRP, if the configured default gateway fails,
you must reconfigure each host on the network to use a different router as the default gateway.
VRRP provides a redundant path for the hosts. Using VRRP, if the default gateway fails, the
backup router assumes forwarding responsibilities.
The following sections provide more information on VRRP:
VRRP and Hitless Failover
When you install two Management Switch Fabric Module (MSM) or Management Modules
(MMs) in a BlackDiamond chassis, one MSM/MM (node) assumes the role of primary and
the other node assumes the role of backup. The primary node executes the switch’s
(MMs) in a BlackDiamond chassis, one MSM/MM (node) assumes the role of primary and
the other node assumes the role of backup. The primary node executes the switch’s