VPRN Service Configuration Commands
Page 640 7210 SAS M Services Guide
sticky-dr
Syntax sticky-dr [priority dr-priority]
no sticky-dr
Context config>service>vprn>pim>if
Description This command enables sticky-dr operation on this interface. When enabled, the priority in PIM hellos
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.
Default disabled
Parameters priority dr-priority — Sets the DR priority to be sent in PIM Hello messages following the election
of that interface as the DR, when sticky-dr operation is enabled.
Values 1 — 4294967295
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
Description This command configures the compatibility mode for enabling the three way hello.
Parameters compatibility-mode — Specifies to enable the three way hello.
tracking-support
Syntax [no] tracking-support
Context config>service>vprn>pim>if
config>service>vprn>pim>mdt>default
Description This command sets the the T bit in the LAN Prune Delay option of the Hello Message. This indicates
the router's capability to disable Join message suppression.
Default no tracking-support
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