ip prefix-list provides the most powerful prefix based filtering mechanism Here is a quick little tutorial on Prefix-lists for you. A normal access-list CANNOT check the subnet mask of a network. It can only check bits to make sure they match, nothing more. A prefix-list has an advantage over an access-list in that it CAN [...]
Redistributed routes are treated differently depending on which routing protocol they are being redistributed into. On IOS, each routing protocol has its own seed metric which is assigned by default to redistributed routes when no metric is configured manually. Below is a table listing the default behavior when no metric is defined with the metric [...]




