Brocade Multi-Service IronWare Switching Configuration Gui Manual de usuario Pagina 691

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Multi-Service IronWare Switching Configuration Guide 661
53-1003036-02
MCT for VRRP or VRRP-E
18
FIGURE 182 Example of MCTs that are deployed on two sites that are connected through two WAN
links.
Configuration considerations
VRRE-E virtual MAC will be synced and learned on ICL ports on backup routers through the ICL.
VRRP or VRRP-E master router will be broadcast hello packets to all VLAN member ports
including ICL ports. Normal VLAN FID will be used for broadcasting.
VRRP or VRRP-E backup routers will not flood back hello packets received from ICL ports to ICL
ports, but will be flooded to other non- ICL ports.
In the current release, MCT switches must have complete routing information using static
routes for L3 forwarding.
For MCT switches configured with VRRP or VRRP-E, track-port features can be enabled to track
the link status to the core switches so the VRRP or VRRP-E failover can be triggered.
NOTE
Brocade recommends disabling ICMP redirect globally to avoid unintended CPU forwarding of traffic
when VRRP or VRRP-E is configured.
L3 traffic forwarding behaviors
When one MCT switch act as VRRP or VRRP-E master router and the other MCT switch is VRRP or
VRRP-E backup, the following behavior will be seen:
Packets sent to VRRP-E virtual IP address will be L2 switched to the VRRP-E master router for
forwarding.
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