Dell BigIron RX Series, Configuration Manual

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BigIron RX Series Configuration Guide 655
53-1002253-01
Configuring a static multicast route
23
Displaying information about an upstream neighbor
device
You can view information about the upstream neighbor device for a given source IP address for IP
PIM packets. The software uses the IP route table or multicast route table to lookup the upstream
neighbor device.
The following shows example messages that the Brocade device can display with this command.
BigIron RX# show ip dvmrp rpf 1.1.20.2|
directly connected or via an L2 neighbor
BigIron RX# show ip dvmrp rpf 1.2.3.4
no route
BigIron RX# show ip dvmrp rpf 1.10.10.24
upstream neighbor=1.1.20.1 on v21 using ip route
Syntax: show ip dvmrp rpf <IP address>
Where <IP address> is a valid source IP address
NOTE
If there are multiple equal cost paths to the source, the show ip dvmrp rpf command output may not
be accurate. If your system has multiple equal cost paths, use the command show ip dvmrp mcache
to view information about the upstream neighbor.
Configuring a static multicast route
The ip mroute command is used to direct multicast traffic along a specific path. The ip mroute
command starts with the ip address or ingress ip address the source traffic is received upon. The
ingress interface network mask, and the next hop address leading back to the ingress source ip
address.
To configure static IP multicast routes, enter a command such as the following.
BigIron RX(config)# ip mroute 12.7.1.0 255.255.255.0 17.3.1.2
If you configure more than one static multicast route, the BigIron RX Series router always uses the
most specific route that matches a multicast source address. Thus, if you want to configure a
multicast static route for a specific multicast source and also configure another multicast static
route for all other sources, you can configure two static routes.
Syntax: [no] ip mroute <ip-addr> <ip-mask> [ <next-hop-ip-addr> | ethernet <slot/port> | ve
<num> | null0] [ <cost> ] [distance < num> ]
The ip-addr and ip-mask parameters specifies the PIM source for the route.
The ethernet <slot/port> parameter specifies a physical port.
The ve <num> parameter specifies a virtual interface.
The null0 parameter is the same as dropping the traffic.
The distance <num> parameter sets the administrative distance for the route.
The <cost> parameter specifies the cost metric of the route. Possible values are: 1 - 6 Default
value: 1