Hi David, On Mon, Nov 12, 2018 at 04:37:48PM -0800, David Ahern wrote: > On 11/12/18 2:21 PM, Phil Sutter wrote: > > diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in > > index a33ce1f0f4006..383178c11331e 100644 > > --- a/man/man8/ip-route.8.in > > +++ b/man/man8/ip-route.8.in > > @@ -589,6 +589,13 @@ argument lists: > > route reflecting its relative bandwidth or quality. > > .in -8 > > > > +The internal buffer used in iproute2 limits the maximum number of nexthops > > to > > +be specified in one go. If only a gateway address is given, the current > > buffer > > +size allows for 144 IPv6 nexthops and 253 IPv4 ones. If more are required, > > they > > +may be added to the existing route using > > +.B "ip route append" > > +command. > > + > > That is not true for IPv4. 'ip ro append' adds a new route after the > existing route - an entry that can not be hit unless all of the nexthops > in the first route are down. 'ip ro prepend' adds a new entry before the > existing one meaning it takes precedence over the existing entries.
Oh, thanks for clarifying. I'll follow-up with a fixed version. > For IPv6, 'append' and 'prepend' both add new nexthops to the existing > entry. 'ip route prepend' is not even documented. :( Thanks, Phil
