Hi, Another point is my setup is Ubuntu 22.04.2 LTS with VCPU 16 and RAM 16GB.
Thanks & Regards Saifullah Nasar -----Original Message----- From: [email protected] <[email protected]> Sent: Thursday, April 13, 2023 11:47 PM To: 'Ondrej Zajicek' <[email protected]> Cc: '[email protected]' <[email protected]> Subject: RE: BIRD is taking too much time to converge 106362 prefixes from a non-client iBGP neighbor Hi, Thanks for your feedback. The topology is BIRD is connected with total 8 neighbors (1 is non-client and 7 are in client mode) for my setup. The non-client neighbor is actually a high end central RR router which advertise about 106k prefixes to BIRD and with other 7 client, the prefix count is below 100. 1. During that time, I have checked and found that CPU load was normal. 2. I also checking prefix count using command "show protocols all <non_client_neighbor>" and found prefixes were increasing gradually. In think I am missing something to make the prefix learning faster. Pls help me. Thanks & Regards Abu Nasar Md. Saifullah -----Original Message----- From: Ondrej Zajicek <[email protected]> Sent: Thursday, April 13, 2023 8:16 PM To: [email protected] Cc: [email protected] Subject: Re: BIRD is taking too much time to converge 106362 prefixes from a non-client iBGP neighbor On Wed, Apr 12, 2023 at 10:19:29PM +0600, [email protected] wrote: > Dear Concern, > > After installing BIRD, I made iBGP neighbor with 8 routers. From a > non-client neighbor it should receive about 106362 prefixes but I > found it is taking huge time to process and converge the mentioned > prefixes. It took about 35 minutes to process, converge and advertise > prefixes to other neighbors. Is it normal behavior or am I missing > sometime to make faster convergence? Kindly suggest me. Hi That is definitely not a normal behavior. Especially if you have no filters, it should be orders of magnitude faster. You wrote you receive 106k prefixes from the non-client, do you also receive prefixes from clients? Are you sure that BIRD was working full-time (full single core cpu load) during that 35 minutes? If you monitor number of received routes during that time (using 'show route count table vpntab4' or 'show protocols all <non_client_neighbor>'), you can see if all these prefixes are already here or if they arrive continuously dyring that time. -- Elen sila lumenn' omentielvo Ondrej 'Santiago' Zajicek (email: [email protected]) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so." Connecting our future with light
