Guy Martin definitely knows about Wireshark, and the slides have his e-mail address he might have some advice on hardware to use to sniff cable modem traffic. ![]() The "sniffing cable modems" video that pops up when I do a search is the one by Guy Martin the slides from that talk speak of using a DVB-C card to capture traffic in one direction and a USRP device to capture traffic in the other direction, but don't give any details. Hi Jana, If you are using the file provided above ( 2.1.1. Sadly, I don't know of any cable modems that support the same mechanism that the Cisco CMTSes do. As part of the FCCs efforts to monitor the quality of broadband networks. Peak-hour train pain continues to affect commuters on the Werribee line for the second day in a row, as major delays continue after a power cable snapped yesterday. Support was added to libpcap/WinPcap to, when capturing on an Ethernet device, use a link-layer header type of DOCSIS rather than Ethernet, and Wireshark can read those files. Works with cable Internet providers like XFINITY from Comcast, Cox & more PAGE 1 OF 6 WIFI CABLE MODEM ROUTER wTg-h Ooin-peed nesh-i ar t Ul DOCSIS® 3.1 Cable Modem + Nighthawk® X4S WiFi Router bsaeLCbl a ® CertifiedDOCSIS® 3.1 is 10X faster than DOCSIS® 3. level, we are able to uniquely map an account to a cable modem and active. In the case of DOCSIS, that was added to Wireshark because some Cisco "cable modem termination systems" (CMTS) for the "head end" of cable modem networks (i.e., for use at the cable company's site) can take DOCSIS packets, wrap them in Ethernet low-level framing (no Ethernet header, just the raw octets of a DOCSIS packet, preceded by an Ethernet preamble and start frame delimiter and terminated by an Ethernet FCS), and put them out on an Ethernet. Plug the power cable back into the modem again and wait for it to boot up. Wireshark can read captures in many different file formats, and some of them contain packet types that the mechanisms that libpcap/WinPcap use can't capture. Automation also helps reduce peak hour power consumption by enabling people to turn off. ![]() Because wireshark has got a DOCSIS dissector i assume, that it should be possible to catch that docsis traffic "out of the cable". The receiver unit consists of PLC modem, micro controller.
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