HP 445942-001 User Manual Page 164

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Configuration Commands
164
VRRP Virtual Router configuration
Virtual Router commands are used for configuring virtual routers for this switch. A virtual router is defined
by its virtual router ID and an IP address. On each VRRP-capable routing device participating in
redundancy for this virtual router, a virtual router will be configured to share the same virtual router ID
and IP address.
Virtual routers are disabled by default.
The following table describes the Virtual Router Configuration commands.
Table 148 Virtual Router Configuration commands
Command Description
virtual-router <1-250>
virtual-router-id <1-250>
Defines the virtual router ID. This is used in conjunction with addr (below) to
define a virtual router on this switch. To create a pool of VRRP-enabled
routing devices which can provide redundancy to each other, each
participating VRRP device must be configured with the same virtual router:
one that shares the same virtual router ID and address
combination.
The vrid for standard virtual routers (where the virtual router IP address is
not the same as any virtual server) can be any integer between 1 and 250.
The default value is 1.
All virtual router ID values must be unique within the VLAN to which
the virtual router’s IP interface belongs.
Command mode: Router VRRP
[no] virtual-router <1-250>
address <IP address>
Defines the IP address for this virtual router using dotted decimal notation.
This is used in conjunction with the vrid (above) to configure the same
virtual router on each participating VRRP device. The default address is
0.0.0.0.
Command mode: Router VRRP
virtual-router <1-250>
interface <1-249>
Selects a switch IP interface. If the IP interface has the same IP address as
the address option above, this switch is considered the “owner” of the
defined virtual router. An owner has a special priority of 255 (highest) and
will always assume the role of master router, even if it must preempt another
virtual router which has assumed master routing authority. This preemption
occurs even if the preemption option below is disabled.
The default value is 1.
Command mode: Router VRRP
virtual-router <1-250>
priority <1-254>
Defines the election priority bias for this virtual server. This can be any
integer between 1 and 254. The default value is 100.
During the master router election process, the routing device with the highest
virtual router priority number wins. If there is a tie, the device with the
highest IP interface address wins. If this virtual router’s IP address is the
same as the one used by the IP interface, the priority for this virtual router
will automatically be set to 255 (highest).
When priority tracking is used, this base priority value can be modified
according to a number of performance and operational criteria.
Command mode: Router VRRP
virtual-router <1-250>
timers advertise <1-255>
Defines the time interval between VRRP master advertisements. This can be
any integer between 1 and 255 seconds. The default value is 1.
Command mode: Router VRRP
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