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Never mind. I tested just the config snipped I described on a fresh VM and
it worked so I guess some of the old configuration interfered. I'll figure
it out.
Thanks,
Stoyan
On Fri, Aug 8, 2014 at 10:42 AM, Stoyan Stoyanov <stoyansbg@xxxxxxxxx>
wrote:
> Hi guys,
>
> I'm trying to get a DR setup going with the director being on the same
> network as the backend servers. The setup is similar to the first example
> on this page
> http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.LVS-DR.html
> although I am anticipating that the clients may not be on the same network.
> The example is a bit confusing having a router between the client and the
> LVS setup and still the client's IP address (192.168.1.254) is part of the
> same network segment (192.168.1.0/24). Anyway, the problem I see is that
> the director fails to put out the packet with updated MAC addresses back on
> the network when the client is not in the same network segment.
>
>
>
> TCP 192.168.1.161:80 wlc persistent 50
> -> 192.168.1.151:80 Route 1 0 0
>
> VIP: 192.168.1.161
> RIP: 192.168.1.151
>
> DIP: 192.168.1.122
>
> CIP1: 192.168.1.254
> CIP2: 192.168.50.254
>
> Running tcpdump on the director shows the packets from the client coming
> in, but nothing gets put back out by the director to be consumed by a real
> server.
>
> 0 client2-MAC > director-MAC, ethertype IPv4 (0x0800), length 74:
> CIP2.46145 > VIP.80: Flags [S], seq 1211711751, win 29200, options [mss
> 1460,sackOK,TS val 23155864 ecr 0,nop,wscale 7], length 0
> 1 client2-MAC > director-MAC, ethertype IPv4 (0x0800), length 74:
> CIP2.46145 > VIP.80: Flags [S], seq 1211711751, win 29200, options [mss
> 1460,sackOK,TS val 23156114 ecr 0,nop,wscale 7], length 0
> 4 client2-MAC > director-MAC, ethertype IPv4 (0x0800), length 74:
> CIP2.46145 > VIP.80: Flags [S], seq 1211711751, win 29200, options [mss
> 1460,sackOK,TS val 23156615 ecr 0,nop,wscale 7], length 0
>
>
> When the client is on the same network segment as everything else, it
> works as expected:
>
> 0 client1-MAC > director-MAC, ethertype IPv4 (0x0800), length 74:
> CIP1.48024 > VIP.80: Flags [S], seq 331779670, win 14600, options [mss
> 1460,sackOK,TS val 298543355 ecr 0,nop,wscale 4], length 0
> 0 director-MAC > realsrv-MAC, ethertype IPv4 (0x0800), length 74:
> CIP1.48024 > VIP.80: Flags [S], seq 331779670, win 14600, options [mss
> 1460,sackOK,TS val 298543355 ecr 0,nop,wscale 4], length 0
> ...
>
> Any ideas what the problem might be?
>
> Thanks,
> Stoyan
>
>
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