2 Simple Commands That Could Earn You A Get Out Of Jail, Free Card

Working with Cisco’s IOS Archive and Configure Replace Commands

Get Out of Jail..We’ve all been there, it’s the middle of the night and you’re well into a network configuration change and then you get that call from your IT Service Desk “we’re starting to get calls…”.┬áNow you have no choice but to roll back your change! But where to start, did you even remember to make a copy before you started?

Cisco’s IOS software provides two very useful commands for managing configuration files which improve greatly over the more traditional methods, which when used together can prove incredibly useful, especially when making changes within a Production Environment.

Continue reading

Scenario-2.2 Branch Office Network Setup – Configure and Verify Inter-Switch Link Settings

The Scene

Following on from the previous Lab Scenario-2.1 where we applied basic Universal Switch configuration, we will now configure the inter-switch connections.

The Goal

A Static Layer 2 Etherchannel Trunk to be configured between Core-1A and Core-1B.

A Dynamic Layer 2 Etherchannel Trunk using LACP to be configured between UserAcc-1A and UserAcc-1B.

A Dynamic Layer 2 Etherchannel Trunk using PAGP to be configured between UserAcc-1A and UserAcc-1B.

The trunks between the Core Switches and UserAcc Switches should be dynamically negotiated with the Core Switches actively negotiating the trunks.

Continue reading