[j-nsp] rib-sharding and NSR update

[Gustavo Santos]

I tried it again on JUNOS 21.4R3-S3.4 hit some bugs that crashed rpd
daemon and I gave up.

We will try it again later this year. If update threading / rib-sharding
works as expected it will be better than having non stop routing running.

Last time we had an issue caused by bgp routing update, it tooks about 50
minutes to advertise all needed routes to one of the transit providers,
because the time it takes to send full routing tables feed to remote peers.

Em sex., 10 de mai. de 2024 às 16:45, Andrey Kostin via juniper-nsp <
juniper-nsp at puck.nether.net> escreveu:

> Hi juniper-nsp,
>
> Just hit exactly the same issue as described in the message found in the
> list archives:
>
> Gustavo Santos
> Mon Jan 4 15:13:18 EST 2021
>
> Hi,
>
> We got another MX10003 and we are updating it before get in production.
> Reading the 19.4R3 release notes, we noticed that two
> features update-threading  and  rib-sharding and I really liked what it
> "promises" as faster BGP updates .
>
> But there is a catch. We can't use this new feature with non-stop
> routing
> enabled.
>
> The question is , are these features worth the non-stop routing loss?
>
> Regards
> "
> bgp {
>      ##
>      ## Warning: Can't be configured together with routing-options
> nonstop-routing
>      ##
>      rib-sharding;
>      ##
>      ## Warning: Update threading can't be configured together with
> routing-options nonstop-routing
>      ##
>      update-threading;
> }
> "
>
> That message seems didn't get any response.
> However, I found an explanation at the bottom the page:
>
> https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/statement/rib-sharding-edit-protocols-bgp.html
> Support for NSR with sharding introduced in Junos OS Release 22.2.
> BGP sharding supports IPv4, IPv6, L3VPN and BGP-LU from Junos OS Release
> 20.4R1.
>
> Still need to test and confirm on this platform, but on another router
> it already works.
>
> --
> Kind regards,
> Andrey
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