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rtc
2005 Dec 07
1
multicast over GRE tunnel
I need to send multicast traffic through a GRE tunnel between two Linux
routers. The tunnel works for normal IP packets, but I can''t see how to
make it work for multicast. Here''s the setup:
10.10.10.0/24
LAN-B--------------RtrB-------------RtrC--------------LAN-C
192.168.2.0/24 192.168.1.0/24
RtrB interfaces:
eth0 192.168.2.1
eth1 10.10.10.11
RtrC interfaces:
eth0 192.168.1.1
eth1 10.10.10.201
Tunnel setup on RtrB:
ip tunnel add netC mode gre remote 10.10.10.201 local 10.10.10.11
ip link...