description pmtud out

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::
 ipv4 pmtud-out 1400
 ipv6 pmtud-out 1400
 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::
 ipv4 pmtud-out 1400
 ipv6 pmtud-out 1400
 exit
!

r1 tping 100 15 1.1.1.2 vrf v1 siz 1400
r2 tping 100 15 1.1.1.1 vrf v1 siz 1400
r1 tping 100 15 1234::2 vrf v1 siz 1400
r2 tping 100 15 1234::1 vrf v1 siz 1400

r1 tping -100 15 1.1.1.2 vrf v1 siz 1401 error
r2 tping -100 15 1.1.1.1 vrf v1 siz 1401 error
r1 tping -100 15 1234::2 vrf v1 siz 1401 error
r2 tping -100 15 1234::1 vrf v1 siz 1401 error