description bridged ethernet over gre

addrouter r1
int eth1 eth 0000.0000.1111 $1a$ $1b$
!
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
!

addrouter r2
int eth1 eth 0000.0000.2222 $1b$ $1a$
int eth2 eth 0000.0000.2222 $2a$ $2b$
!
vrf def v1
 rd 1:1
 exit
bridge 1
 mac-learn
 exit
int eth1
 bridge-gr 1
 exit
int eth2
 vrf for v1
 ipv4 addr 9.9.9.1 255.255.255.252
 ipv6 addr 9999::1 ffff::
 exit
int tun1
 tunnel vrf v1
 tunnel mode gre
 tunnel source ethernet2
 tunnel destination 9999::2
 bridge-gr 1
 exit
int bvi1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
!

addrouter r3
int eth1 eth 0000.0000.3333 $2b$ $2a$
!
vrf def v1
 rd 1:1
 exit
bridge 1
 exit
int eth1
 vrf for v1
 ipv4 addr 9.9.9.2 255.255.255.252
 ipv6 addr 9999::2 ffff::
 exit
int tun1
 tunnel vrf v1
 tunnel mode gre
 tunnel source ethernet1
 tunnel destination 9999::1
 bridge-gr 1
 exit
int bvi1
 vrf for v1
 ipv4 addr 1.1.1.3 255.255.255.0
 ipv6 addr 1234::3 ffff::
 exit
!

r2 tping 100 5 1.1.1.3 vrf v1

r1 tping 100 5 1.1.1.2 vrf v1
r1 tping 100 5 1.1.1.3 vrf v1
r1 tping 100 5 1234::2 vrf v1
r1 tping 100 5 1234::3 vrf v1

r2 tping 100 5 1.1.1.1 vrf v1
r2 tping 100 5 1.1.1.3 vrf v1
r2 tping 100 5 1234::1 vrf v1
r2 tping 100 5 1234::3 vrf v1

r3 tping 100 5 1.1.1.1 vrf v1
r3 tping 100 5 1.1.1.2 vrf v1
r3 tping 100 5 1234::1 vrf v1
r3 tping 100 5 1234::2 vrf v1