Setting Metrics, Metric Types, and Tags
Cisco IOS provides three mechanisms for setting the metrics of redistributed routes, as follows: 1. Call a route map from the redistribute command, with the route map using the set metriccommand. This method allows different metrics for different routes. 2. Use the metric option on the redistr...
To check host reachability and network connectivity, use the ping Privileged EXEC command. The extended ping and extended traceroute utilities are called by entering the commands without any destination. This results in the utilities asking a series of questions, allowing you to change the defaults....
Summarizing Routing Protocol Characteristics
Older routing protocols (RIP versions 1 and 2 and IGRP) are slow and modern routing protocols (OSPF, IS-IS, EIGRP, and BGP) are fast. Older routing protocols are slow because they send a full copy of all their information periodically. These older protocols, like RIP and IGRP, have to use that perio...
Any effective campus design must take traffic patterns into account. Otherwise, switching and link bandwidth are almost certainly wasted. The good news is that most modern campus networks follow several trends that create unmistakable flows. This section discusses the traditional campus traffic pat...
The nature of wireless communications makes defending against attacks very difficult but extremely necessary. Threats come in many forms. The vulnerability and exposure of your network comes from inside and outside your network. Arguably, the internal troubles typically outnumber the external threat...

