basic bgp trouble shooting candidate screening
DESCRIPTION
Basic BGP Trouble Shooting Candidate ScreeningTRANSCRIPT
Trouble Shooting The Most Basic BGP Connectivity Between Only Two Sites
Any Candidate With BGP Knowledge Show Be Able To Describe This Accurately.
ALL BGP Connectivity built upon 3 tables:
1) Neighbor Table (BGP Session State)a. Show IP BGP Sumaryb. Idle, Coonect, Active, Open Sent, Open Confirm, Established
2) BGP Table (Learned Prefixes)a. Show IP BGP
i. “ > “ indicates best route3) IP Route Table
a. Best Routes From BGP Tableb. Selection: {Weight [Cisco P, local significant], Local-Preference, originated, AS-Path, origin code
(i, e, ?), MED}
Topology Described
Trouble Shooting The Most Basic BGP Connectivity Between Only Two Sites
Any Candidate With BGP Knowledge Show Be Able To Describe This Accurately.