diff options
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 1d783e561c..718b10a919 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -745,6 +745,8 @@ DEF("net", HAS_ARG, QEMU_OPTION_net, \ " Use group 'groupname' and mode 'octalmode' to change default\n" " ownership and permissions for communication port.\n" #endif + "-net dump[,vlan=n][,file=f][,len=n]\n" + " dump traffic on vlan 'n' to file 'f' (max n bytes per packet)\n" "-net none use it alone to have zero network devices; if no -net option\n" " is provided, the default is '-net nic -net user'\n") STEXI @@ -865,6 +867,11 @@ vde_switch -F -sock /tmp/myswitch qemu linux.img -net nic -net vde,sock=/tmp/myswitch @end example +@item -net dump[,vlan=@var{n}][,file=@var{file}][,len=@var{len}] +Dump network traffic on VLAN @var{n} to file @var{file} (@file{qemu-vlan0.pcap} by default). +At most @var{len} bytes (64k by default) per packet are stored. The file format is +libpcap, so it can be analyzed with tools such as tcpdump or Wireshark. + @item -net none Indicate that no network devices should be configured. It is used to override the default configuration (@option{-net nic -net user}) which |