diff options
| -rw-r--r-- | sys/src/9/ip/ipifc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/9/ip/ipifc.c b/sys/src/9/ip/ipifc.c index d0d0557a9..44bc51cc0 100644 --- a/sys/src/9/ip/ipifc.c +++ b/sys/src/9/ip/ipifc.c @@ -507,7 +507,7 @@ ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp) return up->errstr; } - if(mtu >= ifc->m->mintu && mtu <= ifc->m->maxtu) + if(mtu > 0 && mtu >= ifc->m->mintu && mtu <= ifc->m->maxtu) ifc->maxtu = mtu; /* ignore if this is already a local address for this ifc */ |