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dE_logics Advocate
Joined: 02 Jan 2009 Posts: 2253 Location: $TERM
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Posted: Sun Nov 10, 2013 6:05 am Post subject: [solved]Multicast not working. |
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I've a Gentoo box on one end and Debian box on the other. the following routes are there --
Code: | Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
192.168.1.0 0.0.0.0 255.255.255.0 U 1 0 0 eth1
224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth1 |
Code: | Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth1
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth1
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Code: | ifconfig
eth1 Link encap:Ethernet HWaddr 00:14:85:7b:de:09
inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::214:85ff:fe7b:de09/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3107 errors:0 dropped:0 overruns:0 frame:0
TX packets:2204 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2983986 (2.8 MiB) TX bytes:225520 (220.2 KiB)
Interrupt:21 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:100 (100.0 B) TX bytes:100 (100.0 B) |
Code: | eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 6100
inet 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::52e5:49ff:fed0:30d2 prefixlen 64 scopeid 0x20<link>
ether 50:e5:49:d0:30:d2 txqueuelen 1000 (Ethernet)
RX packets 7684746 bytes 4769502046 (4.4 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 9536296 bytes 2257466185 (2.1 GiB)
TX errors 0 dropped 0 overruns 0 carrier 1 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 3469584 bytes 911456321 (869.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3469584 bytes 911456321 (869.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 |
Code: | netstat -ng
IPv6/IPv4 Group Memberships
Interface RefCnt Group
--------------- ------ ---------------------
lo 1 224.0.0.1
eth1 1 239.255.255.250
eth1 1 224.0.0.1
lo 1 ff02::1
eth1 1 ff02::1:ffd0:30d2
eth1 1 ff02::1 |
Code: | netstat -ng
IPv6/IPv4 Group Memberships
Interface RefCnt Group
--------------- ------ ---------------------
lo 1 224.0.0.1
eth1 1 224.0.0.251
eth1 1 224.0.0.1
lo 1 ff02::1
eth1 1 ff02::fb
eth1 1 ff02::1:ff7b:de09
eth1 1 ff02::1 |
Unicast ping works, but multicast does not, i.e. ping 224.0.0.1 gives no replies from either boxes. In the mean time all the lights on the switch blink when pinging. _________________ My blog
Last edited by dE_logics on Thu Nov 14, 2013 4:44 am; edited 1 time in total |
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dE_logics Advocate
Joined: 02 Jan 2009 Posts: 2253 Location: $TERM
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Posted: Wed Nov 13, 2013 3:43 am Post subject: |
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So this setup is ok, and it should work. _________________ My blog |
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dE_logics Advocate
Joined: 02 Jan 2009 Posts: 2253 Location: $TERM
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Posted: Thu Nov 14, 2013 4:43 am Post subject: |
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sysctl net.ipv4.icmp_echo_ignore_broadcasts=0 _________________ My blog |
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