HP ProCurve 9304M Installation And Configuration Manual page 321

Parameter Description
VRID IP A gateway address you are backing up. Configuring
address an IP address provides VRRPE Layer 3 redundancy
in addition to VSRP LAyer 2 redundancy.
The VRID IP address must be in the same sub-net as
a real IP address configured on the VSRP interface,
but cannot be the same as a real IP address
configured on the interface.
Backup priority A numeric value that determines a Backup's
preferability for becoming the Master for the VRID.
During negotiation, the device with the highest priority
becomes the Master.
In VSRP, all devices are Backups and have the same
priority by default.
If two or more Backups are tied with the highest
priority, the Backup with the highest IP address
becomes the Master for the VRID.
Preference of When you save a Backup's configuration, the
timer source software can save the configured VSRP timer values
or the VSRP timer values received from the Master.
Saving the current timer values instead of the
configured ones helps ensure consistent timer usage
for all the VRID's devices.
Note: The Backup always gets its timer scale value
from the Master.
Time-to-Live The maximum number of hops a VSRP Hello packet
(TTL) can traverse before being dropped. You can specify
from 1 – 255.
Hello interval The amount of time between Hello messages from
the Master to the Backups for a given VRID.
The interval can be from 1 – 84 seconds.
Dead interval The amount of time a Backup waits for a Hello
message from the Master for the VRID before
determining that the Master is no longer active.
If the Master does not send a Hello message before
the dead interval expires, the Backups negotiate
(compare priorities) to select a new Master for the
VRID.
Table 10.4: VSRP Parameters (Continued)
Configuring Metro Features
Default See page...
None 10-30
100 for all Backups 10-30
Configured timer 10-30
values are saved
2 10-31
One second 10-31
Three times the Hello 10-31
Interval
10 - 25