Integrated IS-IS NBMA Design Solutions

Designing IS-IS networks across NBMA WANs is not as straightforward as designing other protocols, such as EIGRP, because IS-IS does not explicitly support NBMA. On the other hand, IS-IS over NBMA is not as complicated as OSPF either.  In the good old days, most organizations had a broadcast...

IS-IS and Redistribution

A route whose source does not originate from the IS-IS domain is treated as an external route. Therefore, a separate TLV is defined for IP external ratability information. These external routes can be redistributed into both level 1 and level 2 as external routes.  Metrics for external routes...

A Brief History of WLANs

The value proposition of a network is that it ties together different entities and enables exchange of information. The network's value is also directly related to its size. The more entities that are connected and partake in the network, the higher the impact of the network is. For exchange and sca...

Setting the Source Address for Telnet

To configure a single common IP source address for all outbound Telnet session, use the following configuration command: Router1#configure terminal Enter configuration commands, one per line.  End with CNTL/Z. Router1(config)#ip telnet source-interface loopback0 Router1(config)#end Rout...

Manually Configuring IPv6 Addresses on an Interface

You can configure an IPv6 unicast address on an interface by using a very similar process to how we set up IPv4 addresses in previous chapters of this book: Router1#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router1(config)#ipv6 unicast-routing Router1...

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