Brocade Multi-Service IronWare Switching Configuration Gui Bedienungsanleitung PDF herunterladen (Seite 608)

578 Multi-Service IronWare Switching Configuration Guide

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VSRP and Foundry MRP signaling

A device may connect to a Foundry MRP ring through VSRP to provide a redundant path between

the device and the Foundry MRP ring. VSRP and Foundry MRP signaling, ensures rapid failover by

flushing MAC addresses appropriately. The host on the Foundry MRP ring learns the MAC

addresses of all devices on the Foundry MRP ring and VSRP link. From these MAC addresses, the

host creates a MAC database (table), which is used to establish a data path from the host to a

VSRP-linked device. Figure 168 below shows two possible data paths from the host to Device 1.

FIGURE 168 Two data paths from host on a Foundry MRP ring to a VSRP-linked device

If a VSRP failover from master to backup occurs, VSRP needs to inform Foundry MRP of the

topology change; otherwise, data from the host continues along the obsolete learned path and

never reach the VSRP-linked device, as shown in Figure 169.

FIGURE 169 VSRP on Foundry MRP rings that failed over

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Brocade Multi-Service IronWare Switching Configuration Gui Bedienungsanleitung Seite 608