The ‘Networking’ Archives
Posted May 27, 2004 by

View the MAC Address Table on a Cisco Switch

Switches maintain a database of MAC addresses, both manually configured (static) and dynamically learned entries. During troubleshooting, it may be helpful to investigate the entries in the MAC table.

Category Cisco switch

Posted May 27, 2004 by

Configure Console Login Password on Cisco Switch

Cisco devices allow password protection of console access. This tech-recipe describes configuring the use of a password to protect the console of a Cisco switch.

Category Cisco switch

Posted February 18, 2004 by

Authenticate Cisco RIP version 2 (RIPv2) Routers

The following tech recipe explains MD5 authentication for RIPv2 routers.

Category Cisco router

Posted February 18, 2004 by

OSPF Authentication on Cisco Routers

This tech-recipe describes configuring OSPF authentication to prevent unauthorized routing updates.

Category Cisco router

Posted February 18, 2004 by

Authenticate Cisco EIGRP Routers

To help prevent unauthorized routing updates, EIGRP can be configured to authenticate peers. The following tech-recipe explains how this is done.

Category Cisco router

Posted February 12, 2004 by

Cisco Catalyst SPAN/RSPAN Configuration

This tech-recipe provides instructions for SPAN and RSPAN configuration. SPAN mirrors a port within the same switch, while RSPAN mirrors a port in a remote switch.

Category Cisco switch

Posted February 12, 2004 by

Configure On-Demand Routing (ODR) on Cisco Routers

ODR is used to allow hub routers to accept prefix information distributed via Cisco Discovery Protocol (CDP) from spoke routers. This tutorial explains configuring ODR.

Category Cisco router

Posted February 10, 2004 by

Using Reload to Configure Remote Cisco Routers Safely

Faraway routers can be safely configured by using a reload command first. If the router becomes unreachable as a result of a typo or other misconfiguration, you need only wait, and the router will reload itself to the saved configuration permitting you to try, try again.

Category Cisco router

Posted February 10, 2004 by

Configure ATM on a Cisco Router

ATM is growing in popularity as a wide-area network (WAN) medium. ATM offers small cell size and strict quality of service, allowing voice, video, and data to coexist.

Category Cisco router

Posted February 10, 2004 by

Configure a Cisco VWIC Card

Cisco VWIC cards need configuration before their serial ports will appear in the interface list. Once the VWIC is configured, HDLC, frame relay, or ATM with an AIM processor can be configured.

Category Cisco router

Posted February 10, 2004 by

Configure Frame Relay on a Cisco Router

Frame relay is an attractive choice for wide-area network (WAN) connections. It offers simple configuration and allows one telco circuit to connect many locations. The following tutorial decribes configuring a frame relay.

Category Cisco router

Posted February 9, 2004 by

PPTP (Point-to-Point Tunneling Protocol) through PIX Firewall

How to pass PPTP traffic through a PIX Firewall This recipe is outdated.

Category Cisco firewall