If you’re an engineer for a WAN service provider, sooner or later you’re going to encounter a customer with a requirement to multicast between their remote sites. The problem is most service provider WAN networks don’t support multicast traffic through their core networks. And with good reason. Multicast routing (mroute) tables are subject to a […]

Read more "Multicast over GRE tunnels"

There’s a number of options available for filtering, in an otherwise straightforward routing protocol (read it’s a fertile area for weasly lab questions). Awareness of all options available is important in selecting the correct method for configuration of lab tasks. It’s typical to be given restrictions about how not to configure a task. What remains are the […]

Read more "RIP Filtering"