RIP Know your filters: Offset-list, Distribute-lists, distance command. With filters read carefully: “between 25 & 45″ or “from 25 to 45″. Know your prefix-lists or alternatively using ACL’s instead. “passive interface” command,…
How to Pass CCIE Lab Insider’s Tips
Himawan Nugroho, CCIE #8171 Just another guy who wishes to be an expert one day. Discovers the future one day at a time. His greatest fear is becoming a guy without specialties….
GNS3 – Start Your Lab
GNS3 is a good simulator, and many people use it. B Haines has written a post about the GNS3, maybe useful for you! I wanted a reference to get GNS3 installed and…
Simple configuration of Context-Based Access Control
Technical characteristics: 1. Traffic filtering CBAC checks not only the information of the network layer and the transport layer but also the information of the application layer. It can also filter the…
EIGRP Stub Routers
Enhanced Interior Gateway Routing Protocol (EIGRP), Cisco’s proprietary yet hugely successful and widely deployed routing protocol, is known to behave disappointingly in inadequately designed networks. Cisco has improved EIGRP’s behavior dramatically with…
R&S Quick Notes – Frame-Relay/PPP
Frame-Relay DHCP on a frame interface : “frame-relay interface-dlci 555 protocol ip 166.166.166.2″ When asked to disable INARP, be sure to do so on physical interfaces any multipoint sub-interfaces. If you see…
IPv6 EUI-64 interface addressing
One of IPv6’s key benefits over IPv4 is its capability for automatic interface addressing. By implementing the IEEE’s 64-bit Extended Unique Identifier (EUI-64) format, a host can automatically assign itself a unique…
How to configure PPPoE?
PPPoE provides an emulated (and optionally authenticated) point-to-point link across a shared medium, typically a broadband aggregation network such as those found in DSL service providers. In fact, a very common scenario…