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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