Category: BGP
What is implicit withdraw and explicit withdraw?
What is implicit withdraw and explicit withdraw? ex} : Route map for outgoing advertisements is out-cust-full Sent …
What Route Reflectors does ?
Tweet Within any BGP autonomous system, every IBGP speaker must have a fully meshed peering arrangement with every other iBGP speaker. This is due to…
BGP Best Path Selection – Cisco
Tweet 1. Largest Weight – Cisco proprietary. Only valid on the router it is configured on. It is not passed to other routers. 2. Highest…
Major RFCs for BGP
Tweet RFC 1105, Obsolete – Border Gateway Protocol (BGP) RFC 1654, Obsolete – A Border Gateway Protocol 4 (BGP-4) RFC 1655, Obsolete – Application of…
Full meshed iBGP connection formula ?
Tweet Question : Full meshed iBGP connection formula ? Someone tell me how many connection do I need to make for iBGP full mesh with…
Cisco BGP log Changes in Neighbor Status
Tweet Here is the command to enable the logging of messages generated when a BGP neighbor resets, comes up, or goes down. Apply below command…
How to Applying BGP Community string with sample configuration
Tweet 1. Get the latest BGP community string from your ISP/upstream provider or check www.ipBalance.com web site. 2. Pick the best BGP community string…
BGP Commands for Cisco
Tweet 1. How do I remove a neighbor? router(config)# router bgp router(config-router)# no neighbor 2. How do I shutdown a session? router(config)# router bgp router(config-router)#…
BGP Regular Expression
Tweet 1. Atom An atom is a single character, such as the following . Matches any single character ^ Matches the beginning of the input…
BGP Attribution
Tweet 1. Multi Exit Discriminator – Used to select between paths to the destinations listed. 2. Local Preference – Allowing AS border routers to inform…
BGP Best Path Selection – Juniper
Tweet 1. Local Pref Value 2. As Path Length 3. Origin(prefer IGP than EGP than Incomplete – Lowest) 4. MED (Lowest value) 5. Prefer strictly…
Reset BGP session in soft
Tweet Reset BGP session without interrupt session using soft out or soft inbound commands Configure BGP Soft-Reconfiguration Whenever there is a change in the policy,…
Recent Comments