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- From: lars@spectrum.CMC.COM (Lars Poulsen)
- Newsgroups: comp.protocols.tcp-ip
- Subject: Re: reading what you're writing on Suns
- Message-ID: <1993Jan9.081320.415@spectrum.CMC.COM>
- Date: 9 Jan 93 08:13:20 GMT
- References: <21102@ucdavis.ucdavis.edu> <16287@auspex-gw.auspex.com>
- Organization: CMC Network Systems (Rockwell DCD), Santa Barbara, CA, USA
- Lines: 21
-
- In article <16287@auspex-gw.auspex.com> guy@Auspex.COM (Guy Harris) writes:
- >> 2) Is there a patch so the Sun can read it's own packets?
- >The precise question you're asking is "is there a patch so that the Sun
- >can read its own packets *through the Network Interface Tap (NIT)
- >mechanism*, that being the mechanism that "etherfind" uses to listen to
- >Ethernet traffic.
- >
- >I know of none, although a quick look at the code indicates that it
- >might be possible to arrange to have non-broadcast packets wrapped
- >around, just as broadcast packets are wrapped around, if the Ethernet
- >interface is in promiscuous mode, so I suspect such a patch is, at
- >least, implementable.
-
- It seems (from dumps of NIT-traces that I have done) as if some packets
- do indeed get cloned and looped back, but generally, they don't have the
- sender's ethernet address filled in, so they don't always get
- recognized for what they are....
- --
- / Lars Poulsen, SMTS Software Engineer Internet E-mail: lars@CMC.COM
- CMC Network Products / Rockwell Int'l Telephone: +1-805-968-4262
- Santa Barbara, CA 93117-3083 TeleFAX: +1-805-968-8256
-