Timothy Murphy <gayleard@xxxxxxxxxx> wrote: >Ed Greshko wrote: > >> On 06/16/2011 07:00 PM, Timothy Murphy wrote: >>> 1) I was trying to change a LAN on my home-system >>> from 192.168.1.0 to 192.168.2.0 >>> but I found it surprisingly difficult for example >>> to change my laptop from 192.168.1.7 to 192.168.2.7 . >>> I made the change in /etc/sysconfig/network-scripts/ifcfg-eth1 >>> and deleted all the files in /var/lib/dhclient with the old address. >>> But when I re-booted the old address came up, >>> as given by ifconfig and route (or ip route). >>> I was running NetworkManager, but I didn't see >>> the IP address specified in /etc/NetworkManager . >>> I may say the laptop was WiFi connected to a LinkSys router running >dhcp, >>> but the Local IP Address in this had been changed to 192.168.2.1 . >>> >>> Who decides the IP address of a device? >> >> In your /etc/sysconfig/network-scripts/ifcfg-eth1 What is the >BOOTPROTO ? >> >> If it is dhcp then the answer to your question is your dhcp "server". >> >> The files in /var/lib/dhclient contain the information of you lease >that >> is served up by the dhcp server. >> >> FWIW, that file would also contain dhcp-server-identifier which would >> tell you what system issued the lease. > >Thanks for your response. >I have BOOTPROTO=dhcp in /etc/sysconfig/network-scripts/ifcfg-wlan0 . > >I just commented out the IPADDR=192.168.2.7 in this file, >as well as NETMASK and GATEWAY, and re-booted, >but my IP address remains 192.168.2.7 . >In fact the route table has not changed. > >I ran "sudo grep -r 192.168.2.7 ..." on /etc/ and /var/lib/ >on the laptop, and there was no match >except for the lines I had commented out. > >There are no wlan0 files in /var/lib/dhclient/ , >so the router does not seem to have sent anything. > >I looked in /var/log/messages and the first mention of the addressg >after the reboot is >avahi-daemon[749]: Joining mDNS multicast group > on interface wlan0.IPv4 with address 192.168.2.7. > >I see from "man avahi-daemon" that avahi-daemon does >"register local IP addresses" so that may well be the source of my >problems. >But if avahi-daemon does save the address I don't see where it does so. >It isn't in /etc/ or /var/ . > >As I said in my original post, if there is any online documentation >dealing with this I would very much like to see it. > Your system is getting its IP address from your dhcp SERVER on you lan, as I said. Your system is a CLIENT. Now you seem to be mixing things up a bit. In your original post you talked about ifcfg-eth0. Now you talk about wlan0. Which interface are you talking about? What is the bootproto for eth0? And isn't that the interface whose IP address you want to change? -- Sent from my Android tablet with K-9 Mail. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
