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Basic BGP Trouble Shooting Candidate Screening
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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.