Brocade Multi-Service IronWare Switching Configuration Gui Manual de usuario descargar pdf (Pagina 588)

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558 Multi-Service IronWare Switching Configuration Guide

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Layer 2 redundancy

Track ports

Optionally, you can configure track ports to be included during VSRP priority calculation. In VSRP, a

track port is a port that is not a member of the VRID’s VLAN, but whose state is nonetheless

considered when the priority is calculated. Typically, a track port represents the exit side of traffic

received on the VRID ports. By default, no track ports are configured.

When you configure a track port, you assign a priority value to the port. If the port goes down, VSRP

subtracts the track port’s priority value from the configured VSRP priority. For example, if the you

configure a track port with priority 20 and the configured VSRP priority is 100, the software

subtracts 20 from 100 if the track port goes down, resulting in a VSRP priority of 80. The new

priority value is used when calculating the VSRP priority. Figure 162 shows an example.

FIGURE 162 Track port priority

In Figure 162, the track port is up. SInce the port is up, the track priority does not affect the VSRP

priority calculation. If the track port goes down, the track priority does affect VSRP priority

calculation, as shown in Figure 163.

FIGURE 163 Track port priority subtracted during priority calculation

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