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Egress filters dropping traffic
- Subject: Egress filters dropping traffic
- From: saku at ytti.fi (Saku Ytti)
- Date: Mon, 1 Jul 2013 10:24:40 +0300
- In-reply-to: <CAPLq3UNbRFBj=ay5KUbUoFQgk7LJU=-oEq7+woiw-rH-XiVu+g@mail.gmail.com>
- References: <CAPLq3UNbRFBj=ay5KUbUoFQgk7LJU=-oEq7+woiw-rH-XiVu+g@mail.gmail.com>
On (2013-06-30 22:04 +0530), Glen Kent wrote:
> Under what scenarios do providers install egress ACLs which could say for
> eg.
>
> 1. Allow all IP traffic out on an interface foo if its coming from source
> IP x.x.x.x/y
> 2. Drop all other IP traffic out on this interface.
Question seems to be 'when do you need to drop packets', I'm sure 10
different people would give 10 different use-cases.
One use-case for this particular ACL is that the interface is used for MGMT
only, so you allow NMS network and drop everything else.
--
++ytti