Edge-Core ECS4660-28F Management Manual page 1968

| Multicast Routing Commands
C 52
HAPTER
PIM Multicast Routing
ipv6 pim dr-priority
This command sets the priority value for a Designated Router (DR)
candidate. Use the no form to restore the default setting.
S
YNTAX
ipv6 pim dr-priority priority-value
no ipv6 pim dr-priority
priority-value - Priority advertised by a router when bidding to
become the DR. (Range: 0-4294967294)
D S
EFAULT ETTING
1
C M
OMMAND ODE
Interface Configuration (VLAN)
C U
OMMAND SAGE
More than one PIM-SM router may be connected to an Ethernet or
◆
other shared-media LAN. If multicast hosts are directly connected to
the LAN, then only one of these routers is elected as the DR, and acts
on behalf of these hosts, sending periodic Join/Prune messages toward
a group-specific RP for each group. A single DR is elected per interface
(LAN or otherwise) using a simple election process.
The router with the highest priority configured on an interface is elected
◆
as the DR. If more than one router attached to this interface uses the
same priority, then the router with the highest IP address is elected to
serve as the DR.
If a router does not advertise a priority in its hello messages, it is
◆
assumed to have the highest priority and is elected as the DR. If more
than one router is not advertising its priority, then the router with the
highest IP address is elected to serve as the DR.
E
XAMPLE
This example sets the priority used in the bidding process for the DR.
Console(config)#interface vlan 1
Console(config-if)#ipv6 pim dr-priority 20
Console(config-if)#end
Console#show ipv6 pim interface
PIM is enabled.
VLAN 1 is up.
PIM Mode
IPv6 Address
Hello Interval
Hello HoldTime
Triggered Hello Delay
Join/Prune Holdtime
Lan Prune Delay
Propagation Delay
Override Interval
DR Priority
Join/Prune Interval
– 1968 –
: Sparse Mode
: FE80::200:E8FF:FE93:82A0
: 30 sec
: 105 sec
: 5 sec
: 210 sec
: Disabled
: 500 ms
: 2500 ms
: 20
: 60 sec