Alcatel-Lucent 7210 SAS M Service Manual page 640

VPRN Service Configuration Commands
sticky-dr
Syntax sticky-dr [priority dr-priority]
no sticky-dr
Context config>service>vprn>pim>if
This command enables sticky-dr operation on this interface. When enabled, the priority in PIM hellos
Description
sent on this interface when elected as the designateed router (DR) will be modified to the value
configured in dr-priority. This is done to avoid the delays in forwarding caused by DR recovery, when
switching back to the old DR on a LAN when it comes back up.
By enabling sticky-dr on this interface, it will continue to act as the DR for the LAN even after the
old DR comes back up.
The no form of the command disables sticky-dr operation on this interface.
disabled
Default
priority dr-priority — Sets the DR priority to be sent in PIM Hello messages following the election
Parameters
three-way-hello
Syntax three-way-hello [compatibility-mode]
no three-way-hello
Context config>service>vprn>pim>if
config>service>vprn>pim>mdt>default
This command configures the compatibility mode for enabling the three way hello.
Description
compatibility-mode — Specifies to enable the three way hello.
Parameters
tracking-support
Syntax [no] tracking-support
Context config>service>vprn>pim>if
config>service>vprn>pim>mdt>default
This command sets the the T bit in the LAN Prune Delay option of the Hello Message. This indicates
Description
the router's capability to disable Join message suppression.
no tracking-support
Default
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of that interface as the DR, when sticky-dr operation is enabled.
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Values
7210 SAS M Services Guide