From: Rusty Russell 1: It helps if you connect the bridge to a link. Signed-off-by: James Morris 2: You can theoretically run lguest with no boot parameters. Signed-off-by: Rusty Russell Cc: Andi Kleen Signed-off-by: Andrew Morton --- Documentation/lguest/lguest.c | 2 +- Documentation/lguest/lguest.txt | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff -puN Documentation/lguest/lguest.c~lguest-documentatation-and-example-launcher-bridging-support-in-example-codelguest-documentation-fixes Documentation/lguest/lguest.c --- a/Documentation/lguest/lguest.c~lguest-documentatation-and-example-launcher-bridging-support-in-example-codelguest-documentation-fixes +++ a/Documentation/lguest/lguest.c @@ -918,7 +918,7 @@ int main(int argc, char *argv[]) argc--; } - if (argc < 4) + if (argc < 3) errx(1, "Usage: lguest [--verbose] vmlinux " "[--sharenet=|--tunnet=(|bridge:)" "|--block=|--initrd=]... [args...]"); diff -puN Documentation/lguest/lguest.txt~lguest-documentatation-and-example-launcher-bridging-support-in-example-codelguest-documentation-fixes Documentation/lguest/lguest.txt --- a/Documentation/lguest/lguest.txt~lguest-documentatation-and-example-launcher-bridging-support-in-example-codelguest-documentation-fixes +++ a/Documentation/lguest/lguest.txt @@ -87,6 +87,7 @@ Running Lguest: ifconfig eth0 0.0.0.0 brctl addbr lg0 ifconfig lg0 up + brctl addif lg0 eth0 dhclient lg0 Then use --tunnet=bridge:lg0 when launching the guest. _