[OSPF Tips] Configuring OSPF

Tweet   [ Configuring ] 1. Enabling an OSPF process using the router ospf command. 2. Assigning areas to the interfaces using the network command….

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MTU size on MPLS

Tweet In somtime, we do see a latency on the network. Especially, receving bigger frame size or heavy traffic from Internet. It would be many…

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How DIS is elected on ISIS protocol ?

Tweet The default L1 and L2 priority is 64 in Cisco routers, with a value range of 0-127. A value of 0 means the router…

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Is EIGRP distance vector protocol?

Tweet Is EIGRP distance vector protocol? Yes, it is. As you know both RIP version 1 and RIP version 2 are distnace vector protocols. EIGRP…

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List of Routing Protocol Administrative Distance Value

Tweet Lists the administrative distance default values of the protocols that Cisco device supports below; Routing protocol /Route source Default Distance Values Connected interface 0…

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BGP Best Path Selection – Cisco

Tweet 1. Largest Weight – Cisco proprietary. Only valid on the router it is configured on. It is not passed to other routers. 2. Highest…

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[Cisco] Shadow connection with BGP

Tweet It is a one of fail-over solution. Most ISP has this service. For the shadow link, probably you would pay less than primary connection….

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Major RFCs for BGP

Tweet RFC 1105, Obsolete – Border Gateway Protocol (BGP) RFC 1654, Obsolete – A Border Gateway Protocol 4 (BGP-4) RFC 1655, Obsolete – Application of…

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Full meshed iBGP connection formula ?

Tweet Question : Full meshed iBGP connection formula ? Someone tell me how many connection do I need to make for iBGP full mesh with…

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BGP sample configuration guide – Cisco

Tweet More sample configuration is visit www.showipbgp.com. www.showIPbgp.com   Here is the BGP configurations for any possible combination of link layout for BGP. One of…

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BGP sample configuration Case 2-1

Tweet Here is a sample EBGP configuration for someone who has two connections with an ISP or remote site. It is a called multihoming /…

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BGP sample configuration Case 1-4

Tweet Here is a sample eBGP configuration with Community String option for someone has a single connection with an ISP or remote site. This article…

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