Tiago,
Is the apache server responding to BOTH the RIP & the VIP? (RIP for
health checks, VIP for load balanced traffic)
And how have you solved the ARP problem for the loopback adapter?
On 24 March 2014 20:00, Tiago <sytker@xxxxxxxxx> wrote:
> Hello all,
>
> I'm trying to setup an LVS-DR here for a couple of webservers. My scenario
> is:
>
> Eth1 and eth0 are in separated vlans.
>
> 1. My realservers ips: 10.56.213.31-10.56.213.32 at eth0
> 2.
> 3. myrealip** at eth1 (its a public IP)
> 4.
> 5.
> 6. root@lvs1:~# ipvsadm
> 7. IP Virtual Server version 1.2.1 (size=4096)
> 8. Prot LocalAddress:Port Scheduler Flags
> 9. -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> 10. TCP myrealip**:http wlc
> 11. -> 10.56.213.31:http Route 1 0 0
> 12. -> 10.56.213.32:http Route 1 0 0
> 13.
> 14. On realservers:
> 15. lo:0 Link encap:Local Loopback
> 16. inet addr:myrealip** Mask:255.255.255.255
> 17. UP LOOPBACK RUNNING MTU:16436 Metric:1
> 18.
> 19. route -n:
> 20. myrealip** 0.0.0.0 255.255.255.255 UH 0 0 0
> lo
> 21.
> 22.
> 23. When someone try to access myrealip**:80 I have:
> 24. -> 10.56.213.31:http Route 1 0 1
> 25. -> 10.56.213.32:http Route 1 0 0
> 26.
> 27. And on realserver 10.56.213.31:
> 28.
> 29. root@web1:/var/log/apache2# tcpdump -ni eth0 host 216.5.78.123 (my
> source ip)
> 30. tcpdump: WARNING: eth0: no IPv4 address assigned
> 31. tcpdump: verbose output suppressed, use -v or -vv for full protocol
> decode
> 32. listening on eth0, link-type EN10MB (Ethernet), capture size 65535
> bytes
> 33. 13:40:35.267880 IP 216.5.78.123.37026 > myrealip**.80: Flags [S],
> seq 2186878409, win 14600, options [mss 1460,sackOK,TS val 164050646 ecr
> 0,nop,wscale 7], length 0
> 34. 13:40:36.270371 IP 216.5.78.123.37026 > myrealip**.80: Flags [S],
> seq 2186878409, win 14600, options [mss 1460,sackOK,TS val 164051646 ecr
> 0,nop,wscale 7], length 0
> 35. 13:40:38.276806 IP 216.5.78.123.37026 > myrealip**.80: Flags [S],
> seq 2186878409, win 14600, options [mss 1460,sackOK,TS val 164053646 ecr
> 0,nop,wscale 7], length 0
> 36. 13:40:42.294667 IP 216.5.78.123.37026 > myrealip**.80: Flags [S],
> seq 2186878409, win 14600, options [mss 1460,sackOK,TS val 164057646 ecr
> 0,nop,wscale 7], length 0
> 37. 13:40:50.328756 IP 216.5.78.123.37026 > myrealip**.80: Flags [S],
> seq 2186878409, win 14600, options [mss 1460,sackOK,TS val 164065646 ecr
> 0,nop,wscale 7], length 0
> 38.
> 39. But I can't see the answer going back to me in any interface I have
> at these realservers. I don't get any HTTP HIT at apache either.
>
> Obviously it seems I'm missing something here, however, I can't see clearly
> what is it.
>
> Can you help on this?
>
> Thanks in advance!
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
--
Regards,
Malcolm Turnbull.
Loadbalancer.org Ltd.
Phone: +44 (0)870 443 8779
http://www.loadbalancer.org/
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
|