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diff --git a/scapy/layers/l2.py b/scapy/layers/l2.py
index 4f491d2..661a5da 100644
--- a/scapy/layers/l2.py
+++ b/scapy/layers/l2.py
@@ -570,6 +570,20 @@
return getmacbyip(l3.pdst)
conf.neighbor.register_l3(Ether, ARP, l2_register_l3_arp)
+
+class ERSPAN(Packet):
+ name = "ERSPAN"
+ fields_desc = [ BitField("ver",0,4),
+ BitField("vlan",0,12),
+ BitField("cos",0,3),
+ BitField("en",0,2),
+ BitField("t",0,1),
+ BitField("session_id",0,10),
+ BitField("reserved",0,12),
+ BitField("index",0,20),
+ ]
+
+
class GRErouting(Packet):
name = "GRE routing informations"
fields_desc = [ ShortField("address_family",0),
--- a/scapy/layers/l2.py
+++ b/scapy/layers/l2.py
@@ -427,6 +427,7 @@ bind_layers( Dot1AD, Dot1AD, type=0x88a8)
bind_layers( Dot1AD, Dot1Q, type=0x8100)
bind_layers( Dot1Q, Dot1AD, type=0x88a8)
bind_layers( Ether, Ether, type=1)
+bind_layers( GRE, ERSPAN, proto=0x88be, seqnum_present=1)
bind_layers( Ether, ARP, type=2054)
bind_layers( CookedLinux, LLC, proto=122)
bind_layers( CookedLinux, Dot1Q, proto=33024)
@@ -441,6 +442,7 @@ bind_layers( GRE, ARP, proto=2054)
bind_layers( GRE, GRErouting, { "routing_present" : 1 } )
bind_layers( GRErouting, conf.raw_layer,{ "address_family" : 0, "SRE_len" : 0 })
bind_layers( GRErouting, GRErouting, { } )
+bind_layers( ERSPAN, Ether)
bind_layers( LLC, STP, dsap=66, ssap=66, ctrl=3)
bind_layers( LLC, SNAP, dsap=170, ssap=170, ctrl=3)
bind_layers( SNAP, Dot1Q, code=33024)
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