CCDE Before and After !
Don't expect technical topic in this post. Instead I wanted to show how was my situation before and
Read MoreNetwork Design Mistakes
Orhan Ergun prepared a topology for the CCDE students. A topology has full of design mistakes and 2
Read MoreHSRP, VRRP and GLBP
Why you want to use particular first hop redundancy protocol. In this video Orhan Ergun is explainin
Read MoreSpanning Tree CST , PVST+ , RSTP and MST
In this video Orhan Ergun explains all the spanning tree modes and compare them from the design poin
Read MoreMPLS Layer 2 and Layer 3 VPN
RFC 2547 defines standard MPLS VPN to carry customer prefixes over the MPLS backbone. In February 2
Read MoreInter AS Option A Design Considerations and Comparison
Inter AS Option A is the easiest, most flexible, most secure Inter autonomous system MPLS VPN techn
Read MoreIs OSPF Distance Vector Protocol ?
No but. When an ABR receive type 1 router and type 2 network LSAs within the area , it will only se
Read MoreOSPF Area Border Router
OSPF ABR ( Area Border Router ) is the router that non backbone area routers use it as exit from the
Read MoreOSPF and IS-IS for MPLS Traffic Engineering
You need OSPF or IS-IS to distribute link information such as reserved, unreserved and used bandwid
Read MoreBGP Outbound Route Filtering ( ORF )
Outbound Route Filtering (ORF) is the BGP capability which is negotiated between BGP neighbours duri
Read MoreBGP Route Refresh and BGP Soft Reconfiguration ?
BGP Soft Reconfiguration and BGP route refresh is used to update your BGP table after you apply the
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