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Nov 10, 2007, 3:21 AM
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[Bug 420] ospfd binds to wrong interfaces for multicast [FreeBSD 7/amd64]
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http://bugzilla.quagga.net/show_bug.cgi?id=420
------- Additional Comments From wiwi [at] progon 2007-11-10 11:10 -------
# netstat -g
IPv4 Multicast Group Memberships
Group Link-layer Address Netif
224.0.0.1 01:00:5e:00:00:01 em0
224.0.0.1 01:00:5e:00:00:01 em3
224.0.0.1 01:00:5e:00:00:01 em7
224.0.0.1 <none> lo0
224.0.0.1 <none> lo1
# /usr/local/sbin/ospfd --vty_addr 127.0.0.1
2007/11/10 11:09:18 OSPF: OSPFd 0.99.9 starting: vty [at] 260
2007/11/10 11:09:18 OSPF: interface 81.94.118.8 [5] join AllSPFRouters Multicast
group.
2007/11/10 11:09:18 OSPF: can't setsockopt IP_ADD_MEMBERSHIP (fd 5, addr
81.94.118.72, ifindex 9, AllSPFRouters): Invalid argument; perhaps a kernel
limit on # of multicast group memberships has been exceeded?
2007/11/10 11:09:18 OSPF: *** sendmsg in ospf_write failed to 224.0.0.5, id 0,
off 0, len 64, interface em7, mtu 1500: No buffer space available
# netstat -g
IPv4 Multicast Group Memberships
Group Link-layer Address Netif
224.0.0.5 01:00:5e:00:00:05 em0
224.0.0.1 01:00:5e:00:00:01 em0
224.0.0.1 01:00:5e:00:00:01 em3
224.0.0.1 01:00:5e:00:00:01 em7
224.0.0.1 <none> lo0
224.0.0.1 <none> lo1
The interfaces for ospf are em3 and em7 (not em0!)
# ifconfig
bce0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=1bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4>
ether 00:1a:a0:15:f3:46
media: Ethernet autoselect (none)
status: no carrier
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b7:b0
inet 10.32.104.75 netmask 0xffff0000 broadcast 10.32.255.255
media: Ethernet autoselect (1000baseTX <full-duplex>)
status: active
em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b7:b1
media: Ethernet autoselect
status: no carrier
em2: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b7:b2
media: Ethernet autoselect
status: no carrier
em3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b7:b3
inet 81.94.118.8 netmask 0xffffffc0 broadcast 81.94.118.63
media: Ethernet autoselect (1000baseTX <full-duplex>)
status: active
em4: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b3:8c
media: Ethernet autoselect
status: no carrier
em5: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b3:8d
media: Ethernet autoselect
status: no carrier
em6: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b3:8e
media: Ethernet autoselect
status: no carrier
em7: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
ether 00:0e:0c:c5:b3:8f
inet 81.94.118.72 netmask 0xffffffc0 broadcast 81.94.118.127
media: Ethernet autoselect
status: no carrier
bce1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=1bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4>
ether 00:1a:a0:15:f3:44
media: Ethernet autoselect (none)
status: no carrier
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0xb
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet 81.94.118.136 netmask 0xffffffff
# cat /usr/local/etc
!
! Zebra configuration saved from vty
! 2007/11/09 23:04:36
!
hostname ospfd
password zebra
log stdout
!
!
!
interface em3
ip ospf cost 1000
ip ospf priority 0
!
interface lo1
ip ospf cost 5000
!
router ospf
ospf router-id 81.94.118.136
network 81.94.118.0/26 area 0.0.0.0
network 81.94.118.72/26 area 0.0.0.0
network 81.94.118.136/32 area 0.0.0.0
!
line vty
# uname -a
FreeBSD monitor.as34288.net 7.0-BETA2 FreeBSD 7.0-BETA2 #2: Fri Nov 9 23:35:59
UTC 2007 root [at] monitor:/usr/src/sys/amd64/compile/monitor amd64
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