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Hello:
I have a DNS server running on my load balancer.
I have ldirectord set up to send incoming requests
on the virtual IP to it.
Here is my ldirectord.cf entry:
# DNS Service
virtual=204.61.221.44:53
real=127.0.0.1:53 masq
service=dns
scheduler=wlc
protocol=udp
checkport=53
request="sandalisland.com"
receive="204.61.221.44"
ipvsadm -L -n gives me this:
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
UDP 204.61.221.44:53 wlc
-> 127.0.0.1:53 Local 1 0 0
>From the load balancer, dns queries work fine.
Both of these give me a response:
dig @204.61.221.44 sandalisland.com
dig @127.0.0.1 sandalisland.com
But, when I go to a remote server to try the
dig on 204.61.221.44, it can't connect to the server:
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> @204.61.221.44
sandalisland.com
; (1 server found)
;; global options: printcmd
;; connection timed out; no servers could be reached
I checked the firewalls. I don't think it is that.
Also, the remote machine can perform a dig on the
public IP of the load balancer and get a response.
DNS seems to work when I restart the machine, but then
stops working after I leave it alone for a long time.
Any ideas what is happening here?
Thanks,
Neil
--
Neil Aggarwal, (281)846-8957, http://UnmeteredVPS.net/centos
Virtual private server with CentOS 5.5 preinstalled
Unmetered bandwidth = no overage charges
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