Juniper BGP Convergence Time

[aaron1 at gvtc.com (Aaron Gould)]

You sure it doesn't have something to do with 60 seconds * 3 = 180 secs of BGP neighbor Time out before it believes neighbor is dead and remove routes to that neighbor?

Aaron

> On May 15, 2018, at 9:10 AM, Adam Kajtar <akajtar at wadsworthcity.org> wrote:
> 
> Hello:
> 
> I'm running two Juniper MX104s. Each MX has 1 ISP connected running
> BGP(full routes). iBGP is running between the routers via a two port 20G
> lag. When one of the ISPs fails, it can take upwards of 2 minutes for
> traffic to start flowing correctly. The router has the correct route in the
> routing table, but it doesn't install it in the forwarding table for the
> full two mins.
> 
> I have a few questions if anyone could answer them.
> 
>   - What would a usual convergence time be for this setup?
>   - Is there anything I could do speed this process up? (I tried Multipath)
>   - Any tips and tricks would be much appreciated
> 
> Thanks in Advance
> -- 
> Adam Kajtar
> Systems Administrator
> City of Wadsworth
> akajtar at wadsworthcity.org
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