Symptom
Router traceback and reload when ppp encapsulation used on xconnect interfaces. and pseudowire encapsulation is l2tpv3.
Conditions
On serial interface, PPP is configured and pseudowire encapsulation is l2tpv3 is NOT supported
example config of ppp over l2tpv3
interface Serial0/2/1
no ip address
encapsulation ppp
xconnect 10 encapsulation l2tpv3 pw-class IP-INTERWORKING
end
Workaround
No, this function is not supported.
Further Problem Description
this is new function on asr1000, isr4000, Catalyst 8500/8300, platform.
in l2tpv3 feature, serial interface encapsulation can only be hdlc or frame-relay.
with this defect code change, ppp encapsulation is supported now.