Can anyone explain in details the STP port state?????

Can anyone explain in details port fast, uplink fast & backbone fast features introduced by CISCO (The GOD FATHER of NETWORKING.... Hehehehehe).

What is BGP attribute & How many types of attributes are used by BGP???

Hathway, HCL, Infinite Computer Solutions,

What is BGP Synchronization rules?? Can any one explain..???

Hathway,

What is link aggregration?? How many types of protocol are used on that???

Hathway,

What is difference between IPv4 & IPv6??

Hathway,

What is LSA? How many types of LSA used by OSPF version 2??

Hathway, IBM,

What is SIA (Stuck in Active) in EIGRP?

Cap Gemini, Hathway, Reliance Jio,

Why Authentication Header (AH) is not compatible with the network that using NAT?????? Jitu, looking for u specially...!!!! U knw why i m looking for u..!!!

Why ESP Transport mode is not compatible with NAT????? Though New IP Header in Tunnel mode & Original IP Header in Transport mode are out of Authentication & Encryption.

R1#sh ip nat translations Pro Inside global Inside local Outside local Outside global icmp 15.1.1.1:11 10.1.1.1:11 30.1.1.1:11 30.1.1.1:11 icmp 15.1.1.1:12 10.1.1.1:12 20.1.1.1:12 20.1.1.1:12 icmp 15.1.1.1:13 10.1.1.1:13 21.1.1.1:13 21.1.1.1:13 icmp 15.1.1.1:14 10.1.1.1:14 31.1.1.1:14 31.1.1.1:14 R1# So my question is that after every ip address [:] is used & some number. 15.1.1.1{:11}... what is this colon & number indicate. Can anyone tel me this..!!! Thanking you advance. Shahin