R0106-HP MSR Router Series High Availability Configuration Guide(V7)

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An IP address owner is the router with its interface IP address used as the virtual IP address of the
VRRP group.
When the status of the track entry changes from Negative to Positive or NotReady, the associated
router or VF restores its priority automatically.
You can associate a nonexistent track entry with a VRRP group or VF. The association takes effect
only after you use the track command to create the track entry.
Associating Track with a VRRP group
Ste
p
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Associate a track entry with a
VRRP group.
vrrp [ ipv6 ] vrid virtual-router-id
track track-entry-number [ reduced
priority-reduced | switchover ]
No track entry is specified for a
VRRP group by default.
This command is supported when
VRRP is operating in both standard
mode and load balancing mode.
Associating Track with a VRRP VF
Ste
p
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Associate Track with a VRRP
VF.
vrrp [ ipv6 ] vrid virtual-router-id
weight track track-entry-number
[ reduced weight-reduced ]
By default, no track entry is
specified for a VF.
This command is configurable
when VRRP is operating in
standard mode or load balancing
mode. However, this command
takes effect only when VRRP is
operating in load balancing mode.
Associating Track with static routing
A static route is a manually configured route. With a static route configured, packets to the specified
destination are forwarded through the path specified by the administrator. For more information about
static route configuration, see Layer 3—IP Routing Configuration Guide.
The disadvantage of using static routes is that they cannot adapt to network topology changes. Faults or
topological changes in the network can make the routes unreachable, causing communication
interruption.
To prevent this problem, configure another route to back up the static route. When the static route is
reachable, packets are forwarded through the static route. When the static route is unreachable, packets
are forwarded through the backup route, avoiding network breaks and enhancing network reliability.
To check the accessibility of a static route in real time, establish an association between Track and the
static route.