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 Sumary b. Idle, Coonect, Active, Open Sent, Open Confirm, Established 2) BGP Table (Learned Prefixes) a. Show IP BGP i. > “ indicates best route 3) IP Route Table a. Best Routes From BGP Table b. Selection: {Weight [Cisco P, local significant], Local- Preference, originated, AS-Path, origin code (i, e, ?), MED} Topology Described

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Basic BGP Trouble Shooting Candidate Screening

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Page 1: Basic BGP Trouble Shooting Candidate Screening

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

Page 2: Basic BGP Trouble Shooting Candidate Screening

Trouble Shooting The Most Basic BGP Connectivity Between Only Two Sites

Any Candidate With BGP Knowledge Show Be Able To Describe This Accurately.