Internet Enhanced Service
394
FD 100/320Gbps NT and FX NT IHub Services Guide
3HH-11985-AAAA-TQZZA Issue: 13
 
6.10.7.17 prefix-stability
Table 368 prefix-stability command
6.10.7.18 prfx-hlddwn-time
Table 369 prfx-hlddwn-time command
Item Description
Syntax prefix-stability {enable | disable}
no prefix-stability
Context configure>service>ies>interface>dhcp6-relay
Description Enables prefix-stability functionality in this interface.
Default The default value is Disabled.
Parameters {Enable} — Enables the prefix stability feature at the interface level.
{Disable} — Disables the prefix stability feature at the interface level.
Note: Prefix-stability must be enabled before any device movement happens for IPv6 prefixes 
to be maintained.
Item Description
Syntax prfx-hlddwn-time <seconds>
no prfx-hlddwn-time
Context configure>service>ies>if>ipv6>dhcp6-relay#
Description Configures the expiry time for a prefix hold down timer. This timer will be effective only when 
prefix-stability is enabled. A change in hold down timer value will only be applicable for newly 
received offline notifications, and will not impact the currently running timers.
Default The default value is 600 seconds.
Parameters <seconds>
0 — The minimum value. This value disables the timer.
1800 — The maximum value.