hi all i m working in a very large company as network support engineer we r using cisco 2621 XM router with vpn module for connection to UK we made tunnel i wanna know sometimes vpn link becomes very slow so how can i check what may be the reason f...

HI ALL ACTUALLY WE R HAVING VPN LINK BETWEEN OUR SHENZHEN , CHINA AND PAINGTON , UK SITES WE HAVE 2 MBPS SHARED CONNECTION WHICH WE R USING FOR VPN NOW THE PROBLEM IS THAT OUR LINK IS GOING VERY SLOW I CHECKED THE CPU STATUS OF VPN ROUTER (2600 SERIE...

hello every1 i m ccna and preparing for BCMSN i m working in firm where i have lot of layer 3 switches so hands on is not a problem my problem is i m reading cisco study guide but i m not very satisfeid with the chapters Multilayer switching and inte...

hello everyone I m having one confusion can anyone please tell me how to calculate mac-address i means if i have got three switches how can i determine which switch is having lowest mac address and that will b elected root switch i know the mac-a...

hi can anyone explain me difference between switch stacking and clustering though its very stupid question but i wnna make it clear