Juniper BGP Convergence Time

Tue May 15 22:26:33 UTC 2018

On 15 May 2018 at 07:10, 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?
>

With MX104, between 50 seconds and many minutes. The RE is not really
dimensioned for full tables, unfortunately.

   - Is there anything I could do speed this process up? (I tried Multipath)
>

Covering floating static route.

>    - 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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