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Update the introductory comment. 

Update the URL for the Cisco CMTS.

Remove the stuff about the Arris devices; the link doesn't work, their
site doesn't seem to mention "Cadant", and the C4 page I did find
doesn't say anything about how to do captures (that's probably hidden
behind a customerwall).

Emphasize that, if you can, and do, select "DOCSIS" as the link-layer
type when capturing on an Ethernet, the file (for pcap) or interface
(for pcapng) will be handled as DOCSIS, even if you don't set the "force
all frames to be dissected as DOCSIS" preference.

Change-Id: Iec44d4b9c6af231e9b7f36962515b566b3433fb4
Reviewed-on: https://code.wireshark.org/review/25777
Reviewed-by: Guy Harris <guy@alum.mit.edu>
This commit is contained in:
Guy Harris 2018-02-13 12:52:55 -08:00
parent b4dc30ce73
commit c82abe48a5
1 changed files with 4 additions and 7 deletions
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11
epan/dissectors/packet-docsis.c
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@ -19,12 +19,8 @@
* Updates are backward compatible with previous DOCSIS spcifications.
*
* DOCSIS Captures can be facilitated using the Cable Monitor Feature
* available on Cisco Cable Modem Termination Systems :
* http://www.cisco.com/univercd/cc/td/doc/product/cable/cab_rout/cmtsfg/ufg_cmon.htm
*
* Captures of DOCSIS 1.1 and DOCSIS 2.0 frames can be facilitated using
* the ARRIS Cadant C4 and the ARRIS Cadant C3:
* http://www.arrisi.com/products_solutions/product_families/Cadant/index.asp
* available on Cisco Cable Modem Termination Systems:
* https://www.cisco.com/c/en/us/td/docs/cable/cmts/config_guide/b_cmts_security_and_cable_monitoring_features/b_cmts_security_and_cable_monitoring_features_chapter_010.html
*
* This dissector depends on the presence of a DOCSIS enapsulation type.
* There is no simple way to distinguish DOCSIS Frames from Ethernet frames,
@ -36,7 +32,8 @@
* some interfaces on some platforms; for Ethernet interfaces, they allow
* DOCSIS to be specified. If an Ethernet capture is done with a link-layer
* type of DOCSIS, the file will have a link-layer header type of DLT_DOCSIS;
* Wireshark will treat the frames in that capture as DOCSIS frames.
* Wireshark will treat the frames in that capture as DOCSIS frames, even
* if the preference mentioned above isn't enabled.
*/
#include "config.h"