Hello all,
I have two ethernet cards in my box:
% ifconfig
eth0 Link encap:Ethernet
inet addr:192.168.2.206 Bcast:192.168.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:584213 errors:0 dropped:0 overruns:0 frame:0
TX packets:326021 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:305752115 (291.5 Mb) TX bytes:85830925 (81.8 Mb)
Interrupt:31 Base address:0x2400 Memory:fe6a0000-fe6c0000
eth1 Link encap:Ethernet
inet addr:192.168.30.22 Bcast:192.168.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:100605 errors:0 dropped:0 overruns:0 frame:0
TX packets:19069 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7891457 (7.5 Mb) TX bytes:2005931 (1.9 Mb)
Interrupt:30 Base address:0x2440 Memory:fe680000-fe6a0000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:330595 errors:0 dropped:0 overruns:0 frame:0
TX packets:330595 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:111182120 (106.0 Mb) TX bytes:111182120 (106.0 Mb)
Both cards are running multicast. When I send a multicast packet I suppose
it goes out both interfaces. I'd like it to go out only one
interface--eth1. I could always do this:
% ifconfig eth0 -multicast
to turn off multicast on eth0
Alternatively, could I add a static route, something like
%route add -net 224.0.0.0 netmask 255.0.0.0 eth1
Would that work to force all multicast traffic origniating from my box to
go out eth1?
Any advantages/disadvantages to either way?
ideas?
MRB
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