<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; ">Hi,</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; "><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; ">Currently, I'm using following params to enable virtio serial port.</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; "><span class="Apple-tab-span" style="white-space: pre; ">        </span><span style="font-size: 13px; ">-device virtio-serial -chardev spicevmc,id=vdagent,name=vdagent </span><br></div><div><div><font face="arial, helvetica, sans-serif" size="2"><span class="Apple-tab-span" style="white-space:pre">        </span>-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 </font></div><div><font face="arial, helvetica, sans-serif"
size="2"><br></font></div><div><font face="arial, helvetica, sans-serif" size="2">While studying about VDAgent in depth, I've noticed following params at </font><a href="http://spice-space.org/page/Whiteboard/AgentProtocol">http://spice-space.org/page/Whiteboard/AgentProtocol</a> which <span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">are somewhat different.</span></div><div><font face="arial, helvetica, sans-serif" size="2"><span class="Apple-tab-span" style="white-space:pre">        </span></font><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">-device virtio-serial-pci,id=virtio-serial0,max_ports=16,bus=pci.0,addr=0x5 -chardev spicevmc,name=vdagent,id=vdagent </span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "><span class="Apple-tab-span" style="white-space:pre">        </span>-device
virtserialport,nr=1,bus=virtio-serial0.0,chardev=vdagent,name=com.redhat.spice.0</span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "><br></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">May I know the exact differences between them?</span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "><br></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">Appreciated your help.</span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "><br></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "><br></span></div><div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; ">Thanks/Naga.</span></div><span style="font-family: arial, helvetica, sans-serif; font-size: 13px; "> </span></div></div></body></html>