[AG-TECH] Problems with USC pimd on Linux
Donovan, Michael S ERDC-ITL-MS Contractor
Michael.S.Donovan at erdc.usace.army.mil
Wed Aug 1 13:51:00 CDT 2001
Hi, we are working on a tunnel from our site to ANL for Access Grid Node.
This will be a temporary solution, the network crew here is working to get
native multicast going. The tunnel is set up and PIM HELLOs are being
received and sent, but there are no entries in the multicast routing tables.
With the original config, the pimd router was set up as an RP, but that
caused problems with routing at ARL. While set up as an RP, we saw some
multicast routes, since the router has been changed to not be an RP we don't
see any.
The output from kill -USR1 gives us this:
Virtual Interface Table
Vif Local-Address Subnet Thresh Flags Neighbors
0 140.31.10.10 140.31.10/27 1 DR PIM 140.31.10.1
1 10.20.20.1 10.20.20/30 1 PIM 10.20.20.2
2 140.31.10.10 register_vif0 1
Multicast Routing Table
Source Group RP-addr Flags
--------------------------(*,*,RP)--------------------------
Number of Groups: 0
Number of Cache MIRRORs: 0
The tunnel config looks like this:
ip tunnel add gre1 mode gre remote 130.202.192.1 local 140.31.10.10 ttl 255
dev eth0
ip addr add 10.20.20.1/30 dev gre1
ip link set gre1 multicast on
ip link set gre1 up
ip route add 134.164.0.0/16 dev eth0
ip route add 224.0.0.0/4 dev gre1
ip route add default dev gre1
ip route add 140.31.0.0/16 dev eth0
We are using one Ethernet card in the Linux box.
Any help will be appreciated!
Mike Donovan
michael.s.donovan at usace.army.mil <mailto:michael.s.donovan at usace.army.mil>
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