On Fri, 31 May 2019, David Ahern wrote: > On 5/31/19 6:24 AM, Alan Maguire wrote: > > I was wondering if there is a way to pop multiple MPLS labels at > > once for local delivery using iproute2? > > > > Adding multiple labels for encapsulation is supported via > > label1/label2/... syntax, but I can't find a way to do the same > > for popping multiple labels for local delivery. > > > > For example if I run > > > > # ip route add 192.168.1.0/24 encap mpls 100/200 via inet 192.168.1.101 \ > > dev mytun mtu 1450 > > > > ...I'm looking for the equivalent command to pop both labels on the > > target system for local delivery; something like > > > > # ip -f mpls route add 100/200 dev lo > > > > ...but that gets rejected as only a single label is expected. > > > > as I recall the kernel driver only pops one and does a look for it. > > Try: > > ip -f mpls route add 100 dev lo > ip -f mpls route add 200 dev lo >
That worked perfectly (once I remembered to run sysctl -w net.ipv4.conf.lo.accept_local=1 ...as well as on the tunnel). Thanks again! Alan
