Building Community

by | Aug 18, 2011 | Routing

Basically a community or communities allow for the grouping of prefixes that share a common set of principles utilizing transitive BGP attribute. These attribute consists of a set of four octet values that specify a community. The attribute values are encoded with an...

DDR

by | Jun 15, 2011 | Routing

Dial On Demand Routing or DDR provides a redundant link or network connection over a Public Switched Telephone Networks or PSTN. This could as simple as an Asynchronous dial up modem connection to a more reliable connection such as ISDN. Basically its a connection in...

Route Maps

by | Jun 15, 2011 | Routing

Route maps provide a way to logically make decision regarding routes using similar logic found in programming such as IF, THEN, ELSE. A single Route Map has one or more commands in sequential order based on sequence numbers. Each Route Map command has an underlying...

Route Summarization

by | Apr 7, 2011 | Routing

Route Summarization is basically the act or process of reducing the overall number of routes in a given routing table. In large networks with thousands or even hundreds of thousands of routes the burden on the Routers CPU can become quite significant. With most...

RIP Database

by | Mar 17, 2011 | Routing

RIP is a distance-vector routing protocol, that’s limited by it’s hop count. The maximum number of hops allowed for RIP is 15. This hop limit however also limits the size of networks that RIP can support. RIP is well suited as an IGP in that it has no...

IEEE

by | Jan 27, 2011 | Routing, Switching

The term 802.3 is an IEEE standard or specification for Ethernet, a method of physical communication in a local area network or LAN. The Institute of Electrical and Electronics Engineers or IEEE is the governing body which maintains the standards. In general the 802.3...