Juniper ISIS and IPv6

Joao · Guest

Hi all,

I am driving some tests using a juniper m20.
After configuring IPv4 and ISIS between a cisco router and the juniper
everything works fine.
When adding IPv6 addresses on the interfaces of the Juniper (and on
the Cisco) I am able to ping between the 2 routers, both in IPv4 and
IPv6.
However, on the Juniper I observe that the ISIS adjacency transitions
from UP -> Establishing and stays there.
Obviously, the IPv4 routes learned using ISIS are lost.

Any ideas ?

I am using:
root@m20# run show version
Hostname: m20
Model: m20
JUNOS Base OS boot [5.2R3.4]
JUNOS Base OS Software Suite [5.2R3.4]
JUNOS Kernel Software Suite [5.2R3.4]
JUNOS Routing Software Suite [5.2R3.4]
JUNOS Packet Forwarding Engine Support [5.2R3.4]
JUNOS Crypto Software Suite [5.2R3.4]
JUNOS Online Documentation [5.2R3.4]
....

root@m20# run show configuration
version 5.2R3.4;
interfaces {
fe-0/0/0 {
unit 0 {
family inet;
}
}
fe-0/0/1 {
unit 0 {
family inet;
}
}
fe-0/3/0 {
unit 0 {
family inet {
address 80.0.0.20/24;
}
family iso;
family inet6 {
address 2001:818:100:2::20/64;
}
family mpls;
}
}
fe-0/3/1 {
unit 0 {
family inet {
address 79.0.0.20/24;
}
family iso;
family inet6 {
address 2001:818:100:3::20/64;
}
family mpls;
}
}
lo0 {
unit 0 {
enable;
family inet {
address 20.0.0.20/32;
}
family iso {
address 01.0001.0000.0020.00;
}
}
}
}
routing-options {

router-id 20.0.0.20;
}
protocols {
mpls {
interface fe-0/3/1.0;
interface fe-0/3/0.0;
}
isis {
reference-bandwidth 100g;
level 2 wide-metrics-only;
interface fe-0/3/0.0;
interface fe-0/3/1.0;
interface lo0.0 {
passive;
}
}
ldp {
transport-address loopback;
interface fe-0/3/0.0;
interface fe-0/3/1.0;
interface lo0.0;
}
}

Tkx,