Cisco has a set of OID that can be used to copy things to and from a router using SNMP.
Earlier today I was needing to verify two pieces of configured equipment were using the correct 802.q trunks by using a packet capture.
As I have been working with different routers I have squired a small repository of configuration files that I use for examples, backups, and ways of remembering the way the network was set up before a change. At the start I maintained each config as a separate file, usually containing the date (i.e. router1-071012.cfg). While… Continue reading Mercurial for Tracking Cisco Configs
When deploying Metro Ethernet service and Colocated services, best practice it to put the ports in protected mode or uni. This is to prevent customers from causing interference to each other with layer2 protocols. It also allows the user of service provider traffic filtering. The downside is without additional configuration, customer traffic to another customer… Continue reading Allowing UNI or protected ports on Cisco switch to reach each other using IP
Sometimes I find a need to use a console cable remotely, but getting someone to set up a PC or laptop with a serial connection for remote access can be quite a hassle. I have used the following configurations to get remote serial access using only an onsite router.
Are you annoyed at having to copy an ACL to a text editor to add a line? After that, you have to either remove the ACL entirely or add the new version with a different name and update all the interfaces to use the new name. I have been using the following trick recently to edit… Continue reading Editing Cisco ACLs Inline