RouterGeek

How to Configure ADSL on a Cisco Router

Mohammed Alani — Sun, 08 Jan 2012 07:17:24 +0000

When would you need this: When you need to configure your router to operate on ADSL line provided by an ISP. Special Requirements: ADSL WAN interface on the router. Before starting, makea list of the information you will need from your service provider. This list includes: Your account's username and password, MTU size (usually 1492), [...]

How to Configure SSH on a Cisco Router

Mohammed Alani — Fri, 30 Dec 2011 05:36:59 +0000

When would you need this: When you need to configure your router remotely through an insecure environment. Special Requirements: IOS version over 12.1.3.T (with a "k9" in its feature set). Using Telnet over the Internet is not a smart choice. This is due o the fact that Telnet transports everyhting in plaintext without kind of [...]

How to Secure Telnet Sessions Using Access-Lists on a Cisco Router

Mohammed Alani — Wed, 21 Dec 2011 08:25:23 +0000

When would you need this: When you need to setup Telnet on a Cisco Router do facilitate remote configuration. Special Requirements: None. The steps to secure a Telnet session with an access-list are very simple. However, we will start by creating a password for the Telnet access on the router as a first step of [...]

How to Configure Integrated IS-IS on a Cisco Router

Mohammed Alani — Tue, 20 Dec 2011 11:21:18 +0000

When would you need this: When you need to setup dynamic routing for a large network and not all your routers are Cisco routers. It is being currently used to support MPLS routing and IPv6 routing. Special Requirements: None. IS-IS is an old interior gateway protocol. It is a routing protocol that was aimed to [...]

More About Multiple-Area OSPF Configuration

Mohammed Alani — Mon, 19 Dec 2011 07:48:15 +0000

This article is a continuation of the previous article on Configuration of Mutiple-Area OSPF on Cisco Routers. Refer to the previous article for the essential configuration of Multiple-Area OSPF. 1. ASBR A router is called Autonomous System Boundary Router (ASBR) when it connects the OSPF area to a different autonomous system. This router should be [...]

How to Configure Multiple-Area OSPF on a Cisco Router

Mohammed Alani — Mon, 19 Dec 2011 06:48:07 +0000

When would you need this: When you need to setup dynamic routing for a large network and not all your routers are Cisco routers. Special Requirements: None. OSPF is one of the most widely used dynamic routing protocols. Cisco's version of OSPF is compatible with non-Cisco routers. If your network is not too large, [...]

How to Configure Single-Area OSPF on a Cisco Router

Mohammed Alani — Sat, 10 Dec 2011 11:07:08 +0000

When would you need this: When you need to setup dynamic routing. Special Requirements: None. OSPF is one of the most widely used dynamic routing protocols. Cisco's version of OSPF is compatible with non-Cisco routers. If your network is large, jump into Multiple-Area OSPF configuration. Single area OSPF is suitable for small-to-medium internetworks. Single [...]