Brocade FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide User Manual
Page 98

FIGURE 14 VSRP priority bias
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 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 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. The following figure shows an example.
FIGURE 15 Track port priority
Metro Features
98
FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide
53-1003086-04
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