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Put in a note about ISO-over-LLC, PPPoA (which is "PPP-over-LLC using 

the ISO NLPID for PPP"), and PPPoE.
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guy 2005-05-28 00:30:21 +00:00
parent ace6eadb69
commit a42e5249d2
1 changed files with 8 additions and 1 deletions
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9
gencode.c
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@ -21,7 +21,7 @@
*/
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.20 2005-05-19 10:05:31 hannes Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.21 2005-05-28 00:30:21 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -985,6 +985,13 @@ init_linktype(p)
/*
* assume routed, non-ISO PDUs
* (i.e., LLC = 0xAA-AA-03, OUT = 0x00-00-00)
*
* XXX - what about ISO PDUs, e.g. CLNP, ISIS, ESIS,
* or PPP with the PPP NLPID (e.g., PPPoA)? The
* latter would presumably be treated the way PPPoE
* should be, so you can do "pppoe and udp port 2049"
* or "pppoa and tcp port 80" and have it check for
* PPPo{A,E} and a PPP protocol of IP and....
*/
off_linktype = 0;
off_nl = 8; /* 802.2+SNAP */