[c-nsp] Operational impact of switching from ingress to egress replication mode

[Phil Mayers]

On 09/22/2010 08:31 AM, Phil Mayers wrote:
> On 09/22/2010 01:00 AM, Peter Rathlev wrote:
>> On Tue, 2010-09-21 at 22:12 +0100, Phil Mayers wrote:
>>> 2. Use CoPP for everything else; DO NOT use the glean or cef receive
>>> limiter
>>
>> I'm confused here: Why not use the glean limiter? As I understand it you
>> can simplify the CoPP maps a lot. (Non-IP traffic like IS-IS still being
>> a special case of course.)
>>
>> What am I missing? Is it because you want to catch special cases of
>> gleaning earlier in the CoPP and differentiate rates?
>>
>
> IIRC the glean limiter is faulty in some fashion on PFC-3B and earlier.
> I can never remember the precise details, but I think it's been
> discussed on the list in the past, and I've had knowledgeable TAC
> engineers tell me "really, don't use it".

Ah yes: egress ACL craziness:

http://puck.nether.net/pipermail/cisco-nsp/2007-February/038465.html