Messages in this thread | | | Date | Wed, 28 Nov 2001 22:12:20 +0100 | From | ZipKid <> | Subject | Re: hiding arp for server farms |
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Adrian Daminato wrote:
>Okay, I've seen similar posts to this, but none of them provide a solution that >I can use. > >I'm running several 2.2 machines behind a Radware load balancer, which uses >something called "local triangulation". Basically the Radware responds to ARP >requests for the IP of the farm, passes the packet to one of the servers, and >the server responds directly to the client. Each server has an aliased >interface on the loopback for the IP of the farm, and >/proc/sys/net/ipv4/conf/all/hidden and lo/hidden are set to 1. That works, >great, no problems. > >Now, introduce an unpatched 2.4.x kernel. The hidden option no longer exists, >and for ease of operating a production environment, we prefer to use stock >kernels straight from kernel.org, no patches at all. I've tried many different >suggestion from the list: > >1) ifconfig eth0 -arp > We have over 60 servers on the subnet these farms are on, and they need to >be able to communicate with each other. When I do this, I can't talk to other >servers on the network, and keeping an /etc/ethers file up to date is a daunting >task, and not practical. > >2) arp_filter > I tried using it in a couple of ways, but there doesn't appear to be very >
I have tested this setup and had the same problems on a 2.4.12 kernel. I tried out a few things and could not resolve this issue. Fortunately for me the client is running solaris and that does not have this bug. Sorry but I have no solution...
Stefan - ZipKid - Goethals
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