Dot1x Authentication

Dot1x Authentication ————————– Recently i have configured the Dot1x authentication in my network, thought of posting on my blog. It is a cool feature,with Dot1x authentication we can provide added security at the access layer switches of the network,it uses…

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QinQ Tunneling

QinQ Tunneling ———————— This is the method basically used by service providers to preserve Vlan-Ids and to segregate traffic of different customers.It enables service providers to use a single VLAN to support different customers who have a single or multiple…

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MPLS Terminologies

MPLS Terminologies ————————– >MPLS:-The evolution of MPLS was Cisco’s TAG Switching however as it seems it was Cisco’s proprietary so it must be used in Cisco world only,to make it open standard IEEE made a similar kind of Protocol not…

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MPLS VPN Scenario

OSPF /32 issue in MPLS VPN Scenario =========================== Yesterday i and my office colleague were doing a MPLS-VPN scenario,where we stuck at a place , the issue was really good , thats why thought of posting it on my blog.…

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OSPF Cost Manipulation

OSPF Cost Manipulation ====================== The equation used for cost manipulation in OSPF is :- OSPF Cost=Reference Bandwidth/Interface Bandwidth It simply means that we can manipulate any one of the three parameters to adjust our OSPF cost. First of all we…

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Switchport Mode Private-Vlan

Switchport Mode Private-Vlan ======================== Hi guys i am back was stuck in some office work. As per the heading we are discussing Private-Vlans today, First of all Why we use Private Vlans in our switches? , even before why we…

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BGP Reachability

BGP Reachability ================= R1 | |      |       R2—FR CLOUD—R6 | | | R5 Here in the above scenario R1 and R2 both connected to R6 via Frame-relay cloud and OSPF area 0 is running between all of them, and…

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BGP Default Routing

BGP Default Route Origination ============================= We can originate default route to specific BGP neighbor through route bgp [AS No.] neighbor [ip address] default-originate Note:-By doing this the Default route is originated to the BGP peer along with the other routes…

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