BGP CHAPTER 14 (BGP TWEAKING)
28. What is BGP Process ?
29. How to improve BGP ?
Solution:
28. What is BGP Process ?
--> BGP Open - Starts peers up.
- BGP I/O - Prepares / Process Updates , Keepalives
- BGP Scanner - Checks next hops , determines routes to advertise
- BGP Router - Calculates best path , Process route changes
29. How to improve BGP ?
-->
. Use the IP TCP PATH-MTU-DISCOVERY (BGP defaults to 536 bytes)
(show ip bgp neighbors | in max)
. Use BGP peer groups
. Increase input queues (HOLD-QUEUE in )
cisco default is 1000 .
. Tune BGP scanner time / Adveritsement interval (per neighbor)
config-router)# bgp scan-time <5-60>
router)# neighbor 1.1.1.1 advertisement-interval <0-600>
. Set a maximum prefix limit
router)# neighbor 1.1.1.1 maximum-prefix 8000
28. What is BGP Process ?
29. How to improve BGP ?
Solution:
28. What is BGP Process ?
--> BGP Open - Starts peers up.
- BGP I/O - Prepares / Process Updates , Keepalives
- BGP Scanner - Checks next hops , determines routes to advertise
- BGP Router - Calculates best path , Process route changes
29. How to improve BGP ?
-->
. Use the IP TCP PATH-MTU-DISCOVERY (BGP defaults to 536 bytes)
(show ip bgp neighbors | in max)
. Use BGP peer groups
. Increase input queues (HOLD-QUEUE in )
cisco default is 1000 .
. Tune BGP scanner time / Adveritsement interval (per neighbor)
config-router)# bgp scan-time <5-60>
router)# neighbor 1.1.1.1 advertisement-interval <0-600>
. Set a maximum prefix limit
router)# neighbor 1.1.1.1 maximum-prefix 8000
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