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Hello,
On Tue, 6 Nov 2001, Tao Zhao wrote:
> Problem solved! I thought the hidden patch would have solved this problem
> so that the real server would not care saddr=local_ip and still sends arp
> reply. I added DIP and could ping real server from director now. Thanks!
No, you misunderstand the arp proble, please read some docs.
> Though I had another question. Can a client on the same network access the
> virtual service? I just tried add a telnet service on the director and
> real server. VIP=x.y.z.185 RIP=x.y.z.230 DIP=x.y.z.180
This works for DR and TUN methods.
> $ipvsadm
> IP Virtual Server version 0.8.1 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP x.y.z.185:telnet rr
> -> x.y.z.230:telnet Tunnel 1 0 1
>
> When I telnet the VIP from a client (x.y.z.211), it hung at
> trying x.y.z.185... forever.
>
> $tcpdump -n dst host RIP and src host DIP gave me following:
>
> 17:31:04.291623 eth0 < x.y.z.211.32790 > VIP.telnet: S
> 3346632997:3346632997(0) win 5840 <mss 1460,sackOK,timestamp 9307976
> 0,nop,wscale 0> (DF) (ipip)
> 17:31:07.284334 eth0 < x.y.z.211.32790 > VIP.telnet: S
> 3346632997:3346632997(0) win 5840 <mss 1460,sackOK,timestamp 9308276
> 0,nop,wscale 0> (DF) (ipip)
> 17:31:09.285636 eth0 < arp who-has RIP tell DIP
> 17:31:13.284349 eth0 < x.y.z.211.32790 > VIP.telnet: S
> 3346632997:3346632997(0) win 5840 <mss 1460,sackOK,timestamp 9308876
> 0,nop,wscale 0> (DF) (ipip)
>
> Any idea?
May be you have problem in the real server. What shows
ip route get from x.y.z.211 to VIP iif tunl0
There was thread on this issue:
http://marc.theaimsgroup.com/?t=100272238300009&w=2&r=1
> Thanks so much for help,
> -Tao
Regards
--
Julian Anastasov <ja@xxxxxx>
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