[c-nsp] ASR920: egress ACL on BDIs

[Chris Jones]

> On 20 Jan 2020, at 00:15, Nathan Lannine <nathan.lannine at gmail.com> wrote:
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> 
>> 
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>> This bug not only affects ACLs but other commands as well. Unsure if it is
>> fixed in newest XE versions. Could this also affect you?
>> 
>> 
> Aside from this behavior, XE in the enterprise access layer is full of bugs
> related to ACLs.  We've recently begun a practice of maintaining two
> distinct versions of every ACL so we can swap them on interfaces after
> modifying the unused one.  Modifying a used one in-place results in some
> degree of data plane failure on affected interfaces, i.e. they stop passing
> all or some subset of traffic.  Even on "fixed" code, the problem persists,
> though less frequently.

Do you happen to have a bug reference for this? We’ve been seeing this behaviour intermittently on some csr 1ks and haven’t had the time/energy to debate it with TAC yet.