Thanks boyack. But this still didn't work. After I run this script, I checked the routing table, the column device is still 0, I think it should be 0:0, is that correct? > Date: Tue, 10 Mar 2009 19:51:53 -0600 > From: [email protected] > To: [email protected] > Subject: Re: [Linux-HA] urgent dhcp problem > > I may be wrong here, but I think what is happening is that "normal" > traffic is sent from a client to the floating IP (10.3.254.113), and > then your server knows to send back packets that are FROM that same > floating IP. But if your server STARTS the conversation, it sends it out > on the native interface of 10.3.254.111. DHCP uses broadcasts to start > the conversation, asking the entire network for a response, and then the > server initiates the conversation from its native interface. > > I've had this trouble in the past, and have this script: > > #################### SNIP ###################### > #!/bin/sh > # > # Startup script to fake routing to a shared interface > # > # Use: Routing {start|stop} > # > # Licence: GPL > > # Source function library. > . /etc/ha.d/shellfuncs > > > Rstart () { > ha_log "info: $0: Starting" > sleep 5 > /sbin/route del default > /sbin/route del -net 10.3.254.0/24 eth0 > /sbin/route add -net 10.3.254.0/24 eth0:0 > /sbin/route add default gw 10.3.254.254 > } > > Rstop () { > ha_log "info: $0: Shutting down" > sleep 5 > route del default > route del -net 10.3.254.0/24 eth0:0 > route add -net 10.3.254.0/24 eth0 > route add default gw 10.3.254.254 > } > > > # See how we were called. > case "$1" in > start) > Rstart > ;; > stop) > Rstop > ;; > *) > echo "Usage: $0 {start|stop}" > exit 1 > esac > > exit 0 > > > #################### SNIP ###################### > > This just simply tears down your normal route out eth0 and addes a new > route that goes out the floating address eth0:0. Doing that will remove > your normal default route (gateway), so it adds that back in. > > I put this script in ha.d/resource.d as a file called 'Routing' (but > that is probably not a very good name). > > I add this to my haresources immediately after the IP address, before I > start any services (yours would be 'node1-name 10.3.254.113 Routing > httpd sendmail dhcpd nagios') > > Note that I edited the file to use the addressed you supplied, but I > guessed on your netmask (assuming it was a 24 bit netmask, or > 255.255.255.0), and I guessed on your gateway, assuming it was > 10.3.254.254. You may need to change the values to match your network. > > Good luck, > > -Ty! > > > > > zhoupaul wrote: > > I have set up two nodes HA server and the haresources file like: node1-name > > 10.3.254.113 httpd sendmail dhcpd nagios. Two nodes have a static IP > > address as: 10.3.254.111 10.3.254.112. Everything seems ok except when I > > run ipconfig on windows client, I got dhcp server 10.3.254.111. It should > > be the virtual IP 10.3.254.113, what is wrong with this, how can I resolve > > this problem? I need to solve this problem as soon as possible, thanks for > > any solutions and suggestions. > > > > _________________________________________________________________ > > 上Windows Live 中国首页，下载最新版 MSN！ > > http://im.live.cn/ > > _______________________________________________ > > Linux-HA mailing list > > [email protected] > > http://lists.linux-ha.org/mailman/listinfo/linux-ha > > See also: http://linux-ha.org/ReportingProblems > > > > > > > -- > -===========================- > Ty! Boyack > NREL Unix Network Manager > [email protected] > (970) 491-1186 > -===========================- > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems
_________________________________________________________________ MSN安全保护中心，免费修复系统漏洞，保护MSN安全！ http://im.live.cn/safe/ _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
