hrr, decode MPLS labels, Cisco ISL VLAN tags, 802.2 LLC fields. i should have committed this 2 years ago.
hrr, decode MPLS labels, Cisco ISL VLAN tags, 802.2 LLC fields. i should have committed this 2 years ago.

git-svn-id: c24decc6cc9e43397d358c131c6d3542a5bd9019@62 30ee8f51-df1a-0410-9115-614dbba9287e

asteven/dpkt