Archive for the 'helpme' Category

Ipv6 Overlapping Errors?

Friday, May 9th, 2008

R2(config)#int lo0
R2(config-if)#ipv addr fec0::2:1/112
% FEC0::2:1/112 can not be configured on Loopback0, overlapping
R2(config-if)# ipv addr FEC0::12:3/112
% FEC0::12:3/112 can not be configured on Loopback0, overlapping
R2(config-if)# ipv addr FEC0::222:1/112
R2(config-if)# ipv addr FEC0::2:1/112

R2(config-if)#do sh ver | i IOS
Cisco IOS Software, 3600 Software (C3640-JS-M), Version 12.4(18), RELEASE SOFTWARE (fc1)

Why am I getting these overlapping errors?

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HELPME: Prefered Routing using Dialer Watch.

Sunday, March 18th, 2007

Have you ever tried to implement dialer watch? Yes, I know this is not the best way to implement dial backup which most people will use floating route. However, for the sake of curiosity, I want to try to create a small scenario where two routers are connected using Frame Relay (FR) link and a [...]

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HELPME: BGP + Route Map + Next Hop.

Tuesday, January 23rd, 2007

I have two routers that connected back-to-back using two serials. I also have each e0 on each router (R1 and R2) configured. both routers are using BGP AS 1 and BGP as 2, respectively. What I’m trying to do next is to make any ICMP packets from R1’s e0 going to path R1E0-R1S1-R2S1-R2E0. I’m using [...]

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