VMware Telnet Extension Option

Table 1 lists the commands that establish the VMware telnet extension communication between a virtual machine and a proxy. The virtual machine initiates the connection by sending a
WILL VMWARE-TELNET-EXT
message. If the proxy accepts by responding with a
DO VMWARE-TELNET-EXT
message, the virtual machine and the proxy can continue negotiation.
Command
Codes
WILL VMWARE-TELNET-EXT
A virtual machine request indicating that it is willing to send VMware telnet extension messages to the proxy.

IAC WILL VMWARE-TELNET-EXT
255 251 232
251 232
WON’T VMWARE-TELNET-EXT
A virtual machine notification that it is unwilling to send VMware telnet extension messages to the proxy. The virtual machine can use this command to turn off the extension option. To resume message exchange, the virtual machine and proxy must negotiate to turn on the option again (
WILL VMWARE-TELNET-EXT
and
DO VMWARE-TELNET-EXT
).

IAC WON’T VMWARE-TELNET-EXT
255 252 232
252 232
DO VMWARE-TELNET-EXT
A proxy response that indicates it is willing to receive VMware telnet extension messages from the virtual machine.
IAC DO VMWARE-TELNET-EXT
255 253 232
253 232
DON’T VMWARE-TELNET-EXT
A proxy response that indicates it is unwilling to receive VMware telnet extension messages. The proxy can send this message at any time to stop remote serial port communication. To resume message exchange, the virtual machine and proxy must negotiate to turn on the option again (
WILL VMWARE-TELNET-EXT
and
DO VMWARE-TELNET-EXT
).
IAC DON’T VMWARE-TELNET-EXT
255 254 232
254 232