How to configure static route on Cisco CRS router with XR software

Here is quick step to configure static route on Cisco CRS router with XR software   CRS#config t CRS(config)#router static CRS(config-static)#address-family ipv4 unicast CRS(config-static-afi)#192.168.1.0/24 TenGigE0/1…

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ISIS protocol study summary

– Link state protocol – Large ISP used it – Use Dijkstra’s SPF alorithm to calculate OSI route. – use Partia Route Calculation for IP…

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Cisco IP Routing Concept Videos

Came across good Cisco IP routing concept and fundametal videos on Internet. It produced by Routehub is Premium Cisco Consulting provider of Cisco Products, Solutions,…

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What is implicit withdraw and explicit withdraw?

What is implicit withdraw and explicit withdraw? ex} :   Route map for outgoing advertisements is out-cust-full                                                   Sent         …

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How to configure BGP peer-session template

Here is "How to configure BGP peer-session template" [ Assignement ] All 4 routers are in AS 100 and linked in same Ethernet segment. Establish…

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RIP protocol basic 101 and Tips

– If you are not specify version under RIP configuration, the router will only send version 1, but receive version 1 and version2. Cisco_RIP(config-router)# do…

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What is FIB(Forwarding Information Base)?

Tweet What is FIB (Forwarding Information Base)? CEF (Cisco Enhanced Forward) uses a Forwarding Information Base (FIB) to make IP destination prefix-based switching decisions. The…

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Link State Routing Protocols Drawback

Tweet Link State routing protocols, such as OSPF and IS-IS, converge more quickly than their distance vector routing protocols such as RIPv1, RIPv2, EIGRP and…

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What Route Reflectors does ?

Tweet Within any BGP autonomous system, every IBGP speaker must have a fully meshed peering arrangement with every other iBGP speaker. This is due to…

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What is CNSP and PNSP ?

Tweet PSNP(Partial Sequence Number PDU) are used to acknowledge the receipt or to request the retransmission of the latest version of an LSP while the…

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Protocols ISIS VS. OSPF

Tweet L2 routers are similar to OSPF backbone routers, and the set of L2 routers (including L1/L2 routers) and their interconnecting links make up the…

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EIGRP metric is calculation

Tweet By default, EIGRP uses only bandwidth and Delay when calculating the metric. EIGRP uses these scaled values to determine the total metric to the…

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