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vrrp un-check ttl
Syntax vrrp un-check ttl
undo vrrp un-check ttl
View Interface view
Parameter None
Description Use the
vrrp un-check ttl command to disable TTL check on VRRP packets.
Use the undo vrrp un-check ttl command to enable TTL check on VRRP
packets.
By default, TTL check on VRRP packets is enabled.
Example # Disable TTL check on VRRP packets.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] vrrp un-check ttl
vrrp vrid preempt-mode
Syntax vrrp vrid virtual-router-id preempt-mode [ timer delay delay-value ]
undo vrrp vrid virtual-router-id preempt-mode [ timer delay ]
View Interface view
Parameter virtual-router-id: Virtual router ID or VRRP standby group number, in the range 1
to 255.
timer delay delay-value: Sets preemption delay. The delay-value argument ranges
from 0 to 255 and defaults to 0, in seconds.
Description Use the
vrrp vrid preempt-mode command to enable preemption on the
router and configure its preemption delay in the specified standby group.
Use the
undo vrrp vrid preempt-mode command to disable preemption on
the router in the specified standby group.
Use the
undo vrrp vrid preempt-mode timer delay command to restore the
default preemption delay, that is, zero seconds.
The default mode is immediate preemption without delay.
On an instable network, the standby group member in the backup state may not
normally receive the packets from the master member due to network congestion,
