description ppp routes with local authentication

addrouter r1
int ser1 ser - $1a$ $1b$
!
vrf def v1
 rd 1:1
 exit
prefix-list p4
 permit 0.0.0.0/0
 exit
prefix-list p6
 permit ::/0
 exit
int lo1
 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 ser1
 enc ppp
 ppp ip4cp open
 ppp ip4cp local 0.0.0.0
 ppp ip6cp open
 ppp user c
 ppp pass c
 vrf for v1
 ipv4 addr dynamic dynamic
 ipv4 gateway-prefix p4
 ipv6 addr dynamic dynamic
 ipv6 gateway-prefix p6
 exit
!

addrouter r2
int ser1 ser - $1b$ $1a$
!
vrf def v1
 rd 1:1
 exit
int lo1
 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
aaa userlist usr
 username c password c
 username c ipv4addr 1.1.1.1
 username c ipv4route 2.2.2.1/32 dist 123
 username c ipv6addr 1234::1
 username c ipv6ifid 1234-1234-1234-1234
 username c ipv6route 4321::1/128 dist 222
 exit
int ser1
 enc ppp
 ppp ip4cp local 1.1.1.2
 ppp ip6cp open
 ppp auth usr
 vrf for v1
 ipv4 addr dynamic dynamic
 ipv6 addr dynamic dynamic
 exit
!

r1 tping 100 15 1.1.1.2 /vrf v1
r2 tping 100 15 1.1.1.1 /vrf v1
r1 tping 100 15 2.2.2.2 /vrf v1
r2 tping 100 15 2.2.2.1 /vrf v1
r1 tping 100 15 4321::2 /vrf v1 /int lo1
r2 tping 100 15 4321::1 /vrf v1 /int lo1