Articles tagged with network_operations

1. Use Scheduled Reloads to Safely Make Remote Cisco Changes

   Posted on July 09, 2007 in Networking

   A remote network change becomes an outage when the change breaks the only path back to the device. It does not matter whether the mistake is a bad ACL, an incorrect default route, an interface change, or an authentication policy that locks out your SSH session. If you have no …

2. Implement a Sensible Naming Policy in Cisco IOS

   Posted on April 10, 2007 in Networking

   Network configuration names are not decoration. They are operational metadata. When something is broken at 2:00 a.m., the difference between ACL-EDGE-IN and access-list is not aesthetic. It is the difference between narrowing the blast radius quickly and spelunking through hundreds or thousands of lines of Cisco IOS configuration …