I would like to make a list with Vendor IDs, their Hex values and their purpose.
I am not aware of any document that mentions their usage and values so I would like to make one.
The reason for this is that in some outputs (e.g. 'capture CAP type isakmp' or 'debug crypto ikev1 255') on ASA you see only the Hex values of the VID.
I will make the beginning by combining outputs from the above debug commands along with Wireshark captures and list some of the VIDs and their usage. Please feel free to continue the update/correction of the list:
Data (In Hex): 09 00 26 89 df d6 b7 12
Name: draft-beaulieu-ike-xauth-02.txt (XAUTH)
Usage: In my opinion this VID informs the Responder that the Initiator is using Aggressive mode.
Data (In Hex): af ca d7 13 68 a1 f1 c9 6b 86 96 fc 77 57 01 00
Name: RFC 3706 Detecting Dead IKE Peers (DPD)
Usage: In my opinion this VID informs the Responder that the Initiator supports DPD.
Data (In Hex): 40 48 b7 d5 6e bc e8 85 25 e7 de 7f 00 d6 c2 d3 80 00 00 00
Name: Cisco Fragmentation
Data (In Hex): 90 cb 80 91 3e bb 69 6e 08 63 81 b5 ec 42 7b 1f
Usage: Advertises the capability of the device to support NAT-T (NAT Traversal Support)
Data (In Hex): 12 f5 f2 8c 45 71 68 a9 70 2d 9f e2 74 cc 01 00
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