Spanning-Tree’s Root Bridge Election
The Spanning-Tree Protocol (STP) provides a loop free, layer-2 traffic path when two or more switches are connected to each other with redundant links. Election Process An election is held between...
View ArticleBGP – Conditional Route Advertisement
With the Border Gateway Routing Protocol (BGP), we can use conditions to control BGP route advertisement on a per-neighbor basis. These conditions are basic “IF, THEN” statements that can be broken...
View ArticleISE – Exporting and Importing Certificates
If you are performing an application reset or re-imaging a Cisco’s Identity Service Engine (ISE) node that is a member of a multinode deployment, exporting your certificates before you begin will cut...
View ArticleISE – Backups
Depending on the needs of your organization, backups can be performed as on-demand or scheduled ‘kron’ jobs. This can be accomplished with either the CLI or GUI of the primary admin node (or monitoring...
View ArticleISE – Resetting Application and Database Configuration
If you find yourself in a position where you need to reset the application configuration and database of your Identity Services Engine node, here are a few suggestions for a little house cleaning...
View ArticleBGP – Peer Groups
Peer groups are used with the Border Gateway Routing Protocol (BGP) to reduce processor load by cutting down on the footprint of BGP updates. Additionally, peer groups trim the fat from BGP...
View Article