BigIron RX Series Configuration Guide
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53-1001810-01
Anycast RP
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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 and DVMRP packets. For PIM, the software uses the IP route table or multicast route table to
lookup the upstream neighbor device. For DVMRP, the software uses the DVMRP route table to
locate the upstream neighbor device.
Enter the following command at the Privileged EXEC level of the CLI.
BigIron RX# show ip pim rpf 1.1.20.2
directly connected or through an L2 neighbor
NOTE
If there are multiple equal cost paths to the source, the show ip pim rpf command output may not
be accurate. If your system has multiple equal cost paths, use the command show ip pim mcache
to view information about the upstream neighbor.
The following example outputs show other messages that the device displays with this command.
BigIron RX# show ip pim rpf 1.2.3.4
no route
BigIron RX# show ip pim rpf 1.10.10.24
upstream neighbor=1.1.20.1 on v21 using ip route
Syntax: show ip pim | dvmrp rpf
<IP address>
Where
<IP address>
is a valid source IP address
Table 0.7:
This field...
Displays...
Port
The interface through which the device is connected to the neighbor.
Neighbor
The IP interface of the PIM neighbor interface.
Holdtime sec
Indicates how many seconds the neighbor wants this device to hold the
entry for this neighbor in memory. The neighbor sends the Hold Time in
its Hello packets.
•
If the device receives a new Hello packet before the Hold Time
received in the previous packet expires, the device updates its
table entry for the neighbor.
•
If the device does not receive a new Hello packet from the neighbor
before the Hold time expires, the device assumes the neighbor is
no longer available and removes the entry for the neighbor.
Age sec
The number of seconds since the device received the last hello message
from the neighbor.
UpTime sec
The number of seconds the PIM neighbor has been up. This timer starts
when the device receives the first Hello messages from the neighbor.
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