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Hi,
I have a working LVS-DR setup for a website (squirrelmail)using fwm.
That service is working perfectly right now.
I am trying to add another website to this setup with fwm however for
this service only 1 out of the 2 real servers is responding to
requests. When I accessed the real servers directly without going
through LVS, both are working fine.
What I've tried:
- double-checked firewall settings on the real servers, it's
identical. Temporarily turned firewall off on the server that's not
working – page cannot be displayed.
- re-applied noarp fix from the ultramonkey website
When I did packet capture on the real server that's *working*, it shows
20:44:10.323495 myclient.net.56357 > mywebsite.net.http: S
1925489810:1925489810(0) win 5840 <mss 1460> (DF)
20:44:10.383393 myclient.net.56357 > mywebsite.net.http: . ack
451433871 win 1460 (DF)
20:44:10.385367 myclient.net.56357 > mywebsite.net.http: P 0:341(341)
ack 1 win 5840 (DF)
20:44:10.446955 myclient.net.56357 > mywebsite.net.http: . ack 1001
win 7000 (DF)
20:44:10.450550 myclient.net.56357 > mywebsite.net.http: F 341:341(0)
ack 1002 win 7000 (DF)
Packet capture on the real server that's *not working*
From test client 1:
20:48:09.891833 S0106000f6641d08d.cg.shawcable.net.3445 >
mywebsite.net.http: S 1788477509:1788477509(0) win 65535 <mss
1460,nop,nop,sackOK> (DF) [tos 0x28]
20:48:10.427446 S0106000f6641d08d.cg.shawcable.net.3445 >
mywebsite.net.http: S 1788477509:1788477509(0) win 65535 <mss
1460,nop,nop,sackOK> (DF) [tos 0x28]
20:48:10.852573 S0106000f6641d08d.cg.shawcable.net.3445 >
mywebsite.net.http: S 1788477509:1788477509(0) win 65535 <mss
1460,nop,nop,sackOK> (DF) [tos 0x28]
From test client 2:
20:46:33.130766 myclient.net.56412 > mywebsite.net.http: S
2078710519:2078710519(0) win 5840 <mss 1460> (DF)
I am not sure how to intepret these results so it could be that I
forgot to set something on LVS itself.
Any help/hints would be appreciated.
Thank you.
--
Arthur Kao
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