Hermant Rath:
> Do U have GVRP enabled switch with you? will you
> please tell me, whether there is any acknowledgement
> to a GVRP Pdu or not? If there is any acknowledgement,
> then will you please send me the ethereal captured
> (both ack and transmitted pdu) packet format? Sorry to
> disturb you.
Sorry, I don't have a GVRP switch available - but I have now found som GVRP
packets in an old capture.
They are captured on an Extreme switch (mirror port).
I have modified the source mac-adress in the capture.
My knowledge about GVRP is very limited so I don't know if there should be
any acknowledgement.
Frame 861 (60 bytes on wire, 60 bytes captured)
Time delta from previous packet: 4.276125000 seconds
Time since reference or first frame: 4.276125000 seconds
Frame Number: 861
Packet Length: 60 bytes
Capture Length: 60 bytes
IEEE 802.3 Ethernet
Destination: 01:80:c2:00:00:21 (01:80:c2:00:00:21)
Source: 00:01:30:01:01:01 (ExtremeN_01:01:01)
Length: 10
Trailer: 00111411001E00010401001400000038...
Logical-Link Control
DSAP: Spanning Tree BPDU (0x42)
IG Bit: Individual
SSAP: Spanning Tree BPDU (0x42)
CR Bit: Command
Control field: U, func = UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
GARP VLAN Registration Protocol
Protocol Identifier: 0x0001 (GARP VLAN Registration Protocol)
Message 1
Type: VID (0x01)
Attribute 1
Length: 2
Event: Leave All (0)
End of mark
End of mark
0000 01 80 c2 00 00 21 00 01 30 01 01 01 00 0a 42 42 .....!..0.....BB
0010 03 00 01 01 02 00 00 00 00 01 04 01 00 1e 00 11 ................
0020 14 11 00 14 00 00 00 38 f1 4d 0b 00 00 00 00 00 .......8.M......
0030 00 00 00 00 00 00 00 00 00 00 00 00 ............
Frame 902 (60 bytes on wire, 60 bytes captured)
Time delta from previous packet: 0.199887000 seconds
Time since reference or first frame: 4.476012000 seconds
Frame Number: 902
Packet Length: 60 bytes
Capture Length: 60 bytes
IEEE 802.3 Ethernet
Destination: 01:80:c2:00:00:21 (01:80:c2:00:00:21)
Source: 00:01:30:01:01:01 (ExtremeN_01:01:01)
Length: 24
Trailer: 0018114D0B0000000000000000000000...
Logical-Link Control
DSAP: Spanning Tree BPDU (0x42)
IG Bit: Individual
SSAP: Spanning Tree BPDU (0x42)
CR Bit: Command
Control field: U, func = UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
GARP VLAN Registration Protocol
Protocol Identifier: 0x0001 (GARP VLAN Registration Protocol)
Message 1
Type: VID (0x01)
Attribute 1
Length: 4
Event: Join Empty (1)
Value: 10
End of mark
Message 2
Type: VID (0x01)
Attribute 1
Length: 4
Event: Join Empty (1)
Value: 30
End of mark
Message 3
Type: VID (0x01)
Attribute 1
Length: 4
Event: Join Empty (1)
Value: 20
End of mark
End of mark
0000 01 80 c2 00 00 21 00 01 30 01 01 10 00 18 42 42 .....!..0.....BB
0010 03 00 01 01 04 01 00 0a 00 01 04 01 00 1e 00 01 ................
0020 04 01 00 14 00 00 00 18 11 4d 0b 00 00 00 00 00 .......8.M......
0030 00 00 00 00 00 00 00 00 00 00 00 00 ............
Attachment:
gvrp_ex.pcap
Description: Binary data
