Good point! -- Puryear Information Technology, LLC Baton Rouge, LA * 225-706-8414 http://www.puryear-it.com
Author: "Best Practices for Managing Linux and UNIX Servers" "Spam Fighting and Email Security in the 21st Century" Download your free copies: http://www.puryear-it.com/publications.htm Tim Fournet wrote: > Also note that updating your routing table manually via a boot script > will only work temporarily - When the DHCP client renews its IP address > - which typically happens every 1-24 hours, depending on your server's > configuration - it will override the default gateway again. Your best > bet is to either modify your dhclient as described below, or go > static-either with a dhcp reservation or manually entered IP address. > > Tim Fournet wrote: >> If your goal is to have your DHCP client not use the default gateway >> that the DHCP server gives you, you can override this by creating an >> /etc/dhclient.conf file and place a line in that file that reads >> something like: >> >> supersede routers "my.default.route.ip" ; >> >> You can "man dhclient.conf" for more info and a full sample to start >> from. Another option would be to give your host a static reservation in >> the DHCP server, and have that reservation not give out a default route. >> >> -Tim >> >> >> >> Dustin Puryear wrote: >> >>> Since your internal interface is doing DHCP, you can't do this without >>> making a choice: >>> >>> 1. Don't do DHCP on your internal face, define static IPs for both >>> internal and external, and only define your gateway for your external >>> (via netconfig or by hand-editing >>> /etc/sysconfig/networks-scripts/ifcfg-eth[0,1]. >>> >>> 2. Update your /etc/rc.d/rc.local script to adjust your routing table as >>> necessary. >>> >>> The issue here is that you are using DHCP, nothing else. It's going to >>> setup your default route. You need to address that one way or the other. >>> >>> Oh, and David's example doesn't appear to be RHEL to me. I've never seen >>> an /etc/init.d/myroute on Red Hat or Red Hat-like systems. I could be >>> wrong about this though. Update us. >>> >>> -- >>> Puryear Information Technology, LLC >>> Baton Rouge, LA * 225-706-8414 >>> http://www.puryear-it.com >>> >>> Author: >>> "Best Practices for Managing Linux and UNIX Servers" >>> "Spam Fighting and Email Security in the 21st Century" >>> >>> Download your free copies: >>> http://www.puryear-it.com/publications.htm >>> >>> Petri Laihonen wrote: >>> >>> >>>> Distro I'm using is RHEL4.x >>>> >>>> Petri >>>> >>>> >>>> willhill wrote: >>>> >>>> >>>>> The easy solution is to swap the wires. Other solutions depend on what >>>>> distribution you are using. >>>>> >>>>> On Sunday 29 April 2007 1:09 pm, Petri Laihonen wrote: >>>>> >>>>> >>>>> >>>>>> How would I save default gateway setting? >>>>>> >>>>>> I have 2 network interfaces eth0 and eth1 respectfully. >>>>>> >>>>>> eth0 is the outside network connection with static IP >>>>>> eth1 is the internal connection getting IP from DHCP (and apparently >>>>>> route as well) >>>>>> >>>>>> For some reason the default gateway is been set to the eth1 using the >>>>>> route out from internal network. This prevent me from connecting to the >>>>>> server using outside network connection. (None of the services respond >>>>>> to connection attempts, except from internal network) ... >>>>>> >>>>>> >>>>>> >>>>> _______________________________________________ >>>>> General mailing list >>>>> General at brlug.net >>>>> http://mail.brlug.net/mailman/listinfo/general_brlug.net >>>>> >>>>> >>>>> >>>>> >>>> _______________________________________________ >>>> General mailing list >>>> General at brlug.net >>>> http://mail.brlug.net/mailman/listinfo/general_brlug.net >>>> >>>> >>> _______________________________________________ >>> General mailing list >>> General at brlug.net >>> http://mail.brlug.net/mailman/listinfo/general_brlug.net >>> >>> >> >> _______________________________________________ >> General mailing list >> General at brlug.net >> http://mail.brlug.net/mailman/listinfo/general_brlug.net >> > > > _______________________________________________ > General mailing list > General at brlug.net > http://mail.brlug.net/mailman/listinfo/general_brlug.net
