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Old 25th November 2008
rex rex is offline
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Default Static IP address problem

At work when ever I assign static IP to my system "/etc/rc.d/sendmail" script takes very long (up to 30 to 50 seconds) to execute but it hardly takes a second when system gets its IP from DHCP server.

Any input on what could be going wrong. Im able to access the network just fine in either case.
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Old 25th November 2008
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anomie anomie is offline
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My guess is sendmail wants the forward and reverse lookups to work properly. Are there DNS records for your static IP? If so, are you assigning both the static IP and the FQ hostname to your system?
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Old 25th November 2008
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When you use DHCP, more than just the IP address is assigned. The default route is also assigned, as well as at least the primary DNS server.

If you do it manually, you have to be sure to do those things as well. Set the default route using # route add default and add nameserver to /etc/resolv.conf.

You'll also want to make sure you have an entry in /etc/hosts that gives your IP a hostname; the same one that sendmail will be using. Unless there's already forward and reverse mappings done on the network's DNS servers, for the IP/hostname you are using.

(Where is the local IP of your router, and is the IP of your network's primary DNS server.)

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sendmail script, static ip

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