Unknown Command Response

lists the commands to indicate reception of an unknown command. The proxy must send UNKNOWN-SUBOPTION-RCVD-2 any time it receives a command that it does not support.

Command Code
UNKNOWN-SUBOPTION-RCVD-1 code

A virtual machine response to indicate that it received an unknown suboption command from the proxy. code identifies the unknown suboption.

IAC SB VMWARE-TELNET-EXT UNKNOWN-SUBOPTION-RCVD-1 code IAC SE
255 250 232 2 code 255 240
2
UNKNOWN-SUBOPTION-RCVD-2 code

A proxy response to indicate that it received an unknown suboption command from the virtual machine. code identifies the unknown suboption. The proxy must support this command.

IAC SB VMWARE-TELNET-EXT UNKNOWN-SUBOPTION-RCVD-2 code IAC SE
255 250 232 3 code 255 240
3