description framerelay tunneling with mpls

addrouter r1
int ser1 ser - $1a$ $1b$
!
vrf def v1
 rd 1:1
 exit
int ser1
 enc framerelay
 framerelay mode dce
 framerelay lmi ansi
 framerelay dlci 123
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 exit
!

addrouter r2
int ser1 ser - $1b$ $1a$
int eth1 eth 0000.0000.2222 $2a$ $2b$
!
vrf def v1
 rd 1:1
 label-mode per-prefix
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::2
int ser1
 enc raw
 xconnect v1 lo0 pweompls 2.2.2.2 1234 vlan
 exit
!

addrouter r3
int eth1 eth 0000.0000.3333 $2b$ $2a$
int ser1 ser - $3a$ $3b$
!
vrf def v1
 rd 1:1
 label-mode per-prefix
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.1.1
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::1
int ser1
 enc raw
 xconnect v1 lo0 pweompls 2.2.2.1 1234 vlan
 exit
!

addrouter r4
int ser1 ser - $3b$ $3a$
!
vrf def v1
 rd 1:1
 exit
int ser1
 enc framerelay
 framerelay lmi ansi
 framerelay dlci 123
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 exit
!



r2 tping 100 10 2.2.2.2 vrf v1
r3 tping 100 10 2.2.2.1 vrf v1

r1 tping 100 30 2.2.2.2 vrf v1
r1 tping 100 30 4321::2 vrf v1
r4 tping 100 30 2.2.2.1 vrf v1
r4 tping 100 30 4321::1 vrf v1