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Re: How to work with UDP services with LVS.........

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: How to work with UDP services with LVS.........
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Mon, 05 Jan 2004 12:22:28 -0500
Bhartendu Maheshwari wrote:
> 
> Dear Joseph Mack,
> 
> Thanx for the quick reply.
> 
> I am trying to make my own application at udp port 2004. The entries of
> ipvsadm are
> 
> *******************************************************************************
> [root@ha1 root]# ipvsadm -L -n
> IP Virtual Server version 1.0.10 (size=65536)
> Prot LocalAddress:Port Scheduler Flags
>   -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
> UDP  192.10.2.229:2004 rr
>   -> 192.10.2.234:2004            Route   1      0          0
>   -> 192.10.2.233:2004            Local   1      0          0
> TCP  192.10.2.229:80 rr
>   -> 192.10.2.234:80              Route   1      0          0
>   -> 192.10.2.233:80              Local   1      0          0
> ******************************************************************************
> 
> There is one server recving at the port 2004 using INADDR_ANY socket
> option in server code. I start tcpdump utility. Now when I connect at
> the VIP(in client code) then tcpdump doesn't recieve anything 

so the director is not receiving the packets?

have you tried one of the other udp services known to work?

Joe
but when I
> use RIP(in client code) the UDP packet is received properly and working
> fine. I couldn't understand why the server couldn't get packet when
> client sent on VIP????
> 
> regards
> bhartendu
> 
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-- 
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
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