Manual Reference Pages - PCAP-LINKTYPE (7)
pcap-linktype - link-layer header types supported by libpcap
For a live capture or savefile, libpcap supplies, as the return
value of the
routine, a value that indicates the type of link-layer header at the
beginning of the packets it provides. This is not necessarily the type
of link-layer header that the packets being captured have on the network
from which theyre being captured; for example, packets from an IEEE
802.11 network might be provided by libpcap with Ethernet headers that
the network adapter or the network adapter driver generates from the
802.11 headers. The names for those values begin with
DLT_, so they are sometimes called "DLT_ values".
The values stored in the link-layer header type field in the savefile
header are, in most but not all cases, the same as the values returned
pcap_datalink(). The names for those values begin with
The link-layer header types supported by libpcap are described at
|--> ||PCAP-LINKTYPE (7) ||23 October 2008 |
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