Computer support articles » Cisco Switches

Setting uplinkfast on a Cisco switch

MyComputerAid — Wed, 23 Jul 2008 05:02:35 +0000

Setting uplinkfast on a cisco switch and what does it mean?

Cisco switches use uplink fast to improve the convergence time of the STP due to an uplink failure. The UplinkFast feature is supported on Cisco Catalyst 4500/4000, 5500/5000, and 6500/6000 series switches running CatOS. This feature is also supported on Catalyst 4500/4000 and 6500/6000 switches that run Cisco IOS� < Read full article..>

Setting portfast on a cisco switch

MyComputerAid — Tue, 22 Jul 2008 05:01:34 +0000

Setting port fast on a Cisco switch and what does it mean?

Cisco’s answer to connectivity delays is port fast. When port fast is enabled it can help reduce the time it takes a PC to get a response. For example, if a Pc usually receives a response from the network in 30 to 35 seconds, enabling port fast may cut it down to five or six seconds. A few reasons that port delays < Read full article..>

Setting backbonefast on a Cisco switch

MyComputerAid — Mon, 21 Jul 2008 11:58:11 +0000

Setting backbonefast on a Cisco switch and what does it mean?

Backbonefast is a Cisco feature that can save up to 20 seconds when a switch recovers from an indirect link failure. For backbone fast to work it must be enable on all switches of the bridge network. Backbone fast can be enabled in both the CatOS and IOS switches. Indirect link failures casue delays when STP < Read full article..>

Reset passwords on a catalyst switch

MyComputerAid — Mon, 21 Jul 2008 04:57:22 +0000

Recovering resetting passwords for Cisco Catalyst switches

Password recovery is possible and can be done following the procedure described below. Note that the procedure below is only for the Cisco Catalyst Layer 2 fixed configuration switches 2900XL/3500XL, 2940, 2950/2955, 2960, and 2970 Series, as well as the Cisco Catalyst Layer 3 fixed configuration switches 3550, 3560 < Read full article..>

Basic show commands for IOS

MyComputerAid — Sat, 12 Jul 2008 06:15:04 +0000

Basic show commands on a Cisco IOS based switch

Show commands are used as one time commands to show various properties or pieces of information about the current configuration on a system. Before knowing the actual show commands, there are certain fundamental rules to keep in mind; first off, all commands use a command line interface similar to MS DOS. All commands have a d < Read full article..>