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I set up a CentOS 6.5 box to test ipvsadm. So far I have been unable to
get it to forward connections. When I try to connect, it doesn't write
anything in /var/log/messages to tell me what is happening. Netstat
doesn't see anything listening on the interface IP (I read elsewhere
that is normal) and tshark sees the incoming SYN but there is either a
timeout or a RST.
Rules right now:
$ ipvsadm -L
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 10.212.160.40:4172 lc persistent 360
-> 10.212.170.162:4172 Route 1 0 0
-> 10.212.170.163:4172 Route 1 0 0
IP forwarding is turned on:
$ sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1
Addresses all seem to be there.
$ ip addr list eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP qlen 1000
link/ether 00:50:56:84:64:8d brd ff:ff:ff:ff:ff:ff
inet 10.212.160.40/24 brd 10.212.160.255 scope global eth0
inet 10.212.160.43/32 brd 10.212.160.43 scope global eth0
inet6 fe80::250:56ff:fe84:648d/64 scope link
valid_lft forever preferred_lft forever
$ ip addr list eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP qlen 1000
link/ether 00:50:56:84:4c:4a brd ff:ff:ff:ff:ff:ff
inet 10.212.170.13/24 brd 10.212.170.255 scope global eth1
inet6 fe80::250:56ff:fe84:4c4a/64 scope link
valid_lft forever preferred_lft forever
I obviously have done something wrong but damned if I can figure it out.
--
Stephen
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