Archive for December, 2007

BGP; Why we need to create static route to advertise a network?

Monday, December 17th, 2007

Before BGP advertised its network, it checks the forwarding table for an exact match of network number and mask on router’s routing table.

R1 is expected to advertise network 128.20.0.0/16 and 10.10.10.0/24 to R2 using this configuration

router bgp 1
no auto-summary
network 128.20.0.0 mask 255.255.0.0
network 10.10.10.0 mask 255.255.255.0

However, when we check on R1, it is only 128.20.0.0 network [...]

Filed under: Cisco | 1 Comment »

Compiling Dynamips on Intel Mac + Leopard.

Sunday, December 16th, 2007

This article is a continuity from my previous article.
As I’ve upgrade my MBP from Tiger to Leopard, some adjustment needs to be made.
Installing XCode 3.0
If you get the Leopard CD, you can install XCode 3.0 from it. Go to Optional Install – Xcode Tools – and run XcodeTools.mpkg to install.
Or you can also download it [...]

Filed under: Cisco, Mac | 6 Comments »

Putty Issue

Wednesday, December 5th, 2007

I did a change for 175 routers last night. Easy job. Copy and paste the about 100 lines of configuration using Putty. However, funny things happened. Some lines were not copied properly and only affecting about 50 devices. Is this Putty issue? as I can’t find anything on the net.
Should I use SecureCRT or probably [...]

Filed under: Catharsis | 2 Comments »