description wireguard over asymmetric ports

addrouter r1
int ser1 ser - $1a$ $1b$
!
vrf def v1
 rd 1:1
 exit
int ser1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
crypto ipsec ips
 key EFw2rJEdqFGDgC80um3fwMmAafwqXno+PsbMHPZ0umM=M6vDV8QdiWDQppVKjKf8xjoKtyGAeRK/Ue48kwKI5Ss=
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel key 1234 4321
 tunnel mode wireguard
 tunnel source ser1
 tunnel destination 1.1.1.2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 exit
!

addrouter r2
int ser1 ser - $1b$ $1a$
!
vrf def v1
 rd 1:1
 exit
int ser1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
crypto ipsec ips
 key 6JhyvKPutQ9DNLupOPmDnQLRWtUWlUjI6PTJ/IZ9l1w=bQMmpCaGVyq9f+v48XGmfH5DMLytkqziID+rBH+qQic=
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel key 4321 1234
 tunnel mode wireguard
 tunnel source ser1
 tunnel destination 1.1.1.1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 exit
!


r1 tping 100 5 2.2.2.2 vrf v1
r2 tping 100 5 2.2.2.1 vrf v1
r1 tping 100 5 4321::2 vrf v1
r2 tping 100 5 4321::1 vrf v1