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Forum Replies

  1. One thing that puzzles me about EPC is this seemingly artificial choice Cisco has you make between CEF and Process-switched methods. Why not just have it capture everything that traverses the interface in question? For example, I was trying to extend your example (and practice with extended ACLs) so that I would capture only BGP information being exchange between neighbors. I filtered on TCP 179 in both directions, and even threw in TCP established for good measure. No matter what I did, I would always capture zero packets. The only thing I can think of is

    ... Continue reading in our forum

  2. Hello Rene,

    On a production network is it possible to crash the router when we capture packets? If yes, how we should know whether it is high risk and we shouldn’t run EPC at all?

    Angelos

  3. Hello Lukas

    The maximum buffer size for the particular device that Rene is using is actually 102400 KB or 102 MB. See the screenshot below:

    //cdn-forum.networklessons.com/uploads/default/original/2X/0/01601e6f02542fceffae581b4746b893e1209c25.png

    Now keep in mind that the buffer is in the RAM of the Cisco device, which is usually not excessively large. The maximum sizes available for buffers will depend on the platform, the IOS and the available memory at the time.

    For this reason, unlike Wireshark, the EPC feature is not designed to run for extensive periods

    ... Continue reading in our forum

  4. Hi Laz,

    thanks a lot for your nice explanation :slight_smile:

    Kind regards,

    Lukas

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