1 diff --git a/scapy/layers/l2.py b/scapy/layers/l2.py
2 index 4f491d2..661a5da 100644
3 --- a/scapy/layers/l2.py
4 +++ b/scapy/layers/l2.py
6 return getmacbyip(l3.pdst)
7 conf.neighbor.register_l3(Ether, ARP, l2_register_l3_arp)
10 +class ERSPAN(Packet):
12 + fields_desc = [ BitField("ver",0,4),
13 + BitField("vlan",0,12),
14 + BitField("cos",0,3),
17 + BitField("session_id",0,10),
18 + BitField("reserved",0,12),
19 + BitField("index",0,20),
23 class GRErouting(Packet):
24 name = "GRE routing informations"
25 fields_desc = [ ShortField("address_family",0),
26 --- a/scapy/layers/l2.py
27 +++ b/scapy/layers/l2.py
28 @@ -427,6 +427,7 @@ bind_layers( Dot1AD, Dot1AD, type=0x88a8)
29 bind_layers( Dot1AD, Dot1Q, type=0x8100)
30 bind_layers( Dot1Q, Dot1AD, type=0x88a8)
31 bind_layers( Ether, Ether, type=1)
32 +bind_layers( GRE, ERSPAN, proto=0x88be, seqnum_present=1)
33 bind_layers( Ether, ARP, type=2054)
34 bind_layers( CookedLinux, LLC, proto=122)
35 bind_layers( CookedLinux, Dot1Q, proto=33024)
36 @@ -441,6 +442,7 @@ bind_layers( GRE, ARP, proto=2054)
37 bind_layers( GRE, GRErouting, { "routing_present" : 1 } )
38 bind_layers( GRErouting, conf.raw_layer,{ "address_family" : 0, "SRE_len" : 0 })
39 bind_layers( GRErouting, GRErouting, { } )
40 +bind_layers( ERSPAN, Ether)
41 bind_layers( LLC, STP, dsap=66, ssap=66, ctrl=3)
42 bind_layers( LLC, SNAP, dsap=170, ssap=170, ctrl=3)
43 bind_layers( SNAP, Dot1Q, code=33024)