05-12-2003 01:38 PM - edited 03-02-2019 07:17 AM
Could someone help me out with reconfiguring my WAN IP (ISP's edge router) address on my Cisco 1721? My ISP is changing the IP on their edge router.
I have little knowledge of configurating this box, but all the help you could give me would be much appreciated.
Thanks.
GG
05-13-2003 11:38 PM
Hi GG
Ru trying to change the wan port ip remotely or from u r network where u r routers ethernet is connected ???if u r doing from u r end itself then go into the serial interface where u r ISPs link is geting terminated.change the ip address to the new one given by u r isp.correspondingly u need to change the ip routes wrt to your new ip scheme.
ROUTER#conf t
Enter configuration commands, one per line. End with CNTL/Z.
ROUTER(config)#int ser 0/1
ROUTER(config-if)#ip address x.y.z.z x.x.x.x
ROUTER(config)#Ctrl+Z
ROUTER#
Regds
Prem
05-14-2003 12:02 AM
Hi,
The config from the other post is correct BUT don't forget to write to memory after config change i.e. write memory or (short hand) wr m
Hope this helps -
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