[f-nsp] LB fails when source-nat is disabled

gaurav.k.sabharwal at googlemail.com gaurav.k.sabharwal at googlemail.com
Mon Dec 22 09:21:29 EST 2008


Hi,

Yes. The traffic is routed via the ServerIron.

Thanks,
Gaurav

On Dec 22, 2008 9:09am, Wouter Prins <wp at null0.nl> wrote:
> Hi Guarav,
>
>
>
> Are the flows send from the server to the client going through the
>
> ServerIron somehow?
>
>
>
> 2008/12/22 Gaurav Sabharwal gaurav.k.sabharwal at googlemail.com>:
>
> > Some time ago, we had to enable source-nat on the LB. Now we are
>
> > trying to disable source-nat on the LB. When we disable the source-nat
>
> > on the load balancer, the VIP does not responds to the HTTP
>
> > connections.
>
> >
>
> > tcpdump on the server confirms that the packets are reaching the
>
> > server and are being sent back. However nothing reaches the web
>
> > browser.
>
> >
>
> > show version output:
>
> >
>
> > SW: Version 07.3.05T12 Copyright (c) 1996-2002 Foundry Networks, Inc.
>
> > Compiled on Jul 18 2002 at 17:20:18 labeled as SLB07305
>
> > HW: ServerIron Switch, serial number 157b24
>
> > 400 MHz Power PC processor 740 (revision 8) with 32756K bytes of DRAM
>
> > 8 100BaseT interfaces with Level 1 Transceiver LXT975
>
> > 0 uplink interfaces
>
> > 256 KB PRAM and 8*2048 CAM entries for DMA 2, version 0807
>
> > 128 KB boot flash memory
>
> > 4096 KB code flash memory
>
> > 2048 KB BRAM, BM version 02
>
> > 128 KB QRAM
>
> > 512 KB SRAM
>
> > Octal System, Maximum Code Image Size Supported: 1965568 (0x001dfe00)
>
> > The system uptime is 2 days 21 hours 28 minutes 32 seconds
>
> > The system : started=warm start reloaded=by "reload"
>
> >
>
> > The configuration is attached. Any help is highly appreciated.
>
> >
>
> > Thanks,
>
> > Gaurav
>
> >
>
> > _______________________________________________
>
> > foundry-nsp mailing list
>
> > foundry-nsp at puck.nether.net
>
> > http://puck.nether.net/mailman/listinfo/foundry-nsp
>
> >
>
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