Unknown Command Response

Table 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
sub
option 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