Brocade Multi-Service IronWare Routing Configuration Guide Uživatelský manuál stáhnout pdf (Strana 843)

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Multi-Service IronWare Routing Configuration Guide 815

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VRRP-E Extension for Server Virtualization

Syntax: [no] backup [priority value] [track-priority value]

Syntax: [no] ipv6-address ip-addr

Syntax: [no] activate

VRRP-E Extension for Server Virtualization

VRRP-E is enhanced with the VRRP-E extension for Server Virtualization feature so that the Brocade

device attempts to bypass the VRRP-E master router and directly forward packets to their

destination through interfaces on the Backup router.

Figure 42 shows an example of VRRP-E Extension for Server Virtualization. As shown, the virtual

servers are dynamically moved between Host Server 1 and Host Server 2. Each time the virtual

server is activated, it can be on a different Host Server, and sometimes the traffic crosses the WAN

two times before it reaches the client. For example, in the VRRP-E implementation (without VRRP-E

Extension for Server Virtualization), traffic from virtual server 1 to the client at 10.0.0.X was

switched to the VRRP-E master router, then routed back to VRRP-E Backup router, and then routed

to the client (the normal forwarding path, dotted lines).

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