Using a physical loop with vlans solved the problem according with your
suggestion.
Thank you all for help!
Regards
On Tue, May 22, 2012 at 4:58 PM, Magnus Bergroth <bergr...@nordu.net> wrote:
> Juniper has a bug in their LT interface implementation on MX80 in 11.4,
> that misses to decrement ttl on logical tunnel interfaces. That's why
> you don't see R2 in the traceroute. They haven't released in which
> version they are going to fix it yet.
>
> Kindly
>
> Magnus
>
> On 2012-05-22 14:32, Mihai Gabriel wrote:
> > Hello,
> >
> > I am trying to test some features with an MX5-T router with
> > logical-systems but my results are below expectations and I don't
> > understand what's wrong.
> > The topology and the config are very simple: R1 --- R2 ---R3 :
> >
> >
> > mx5t# run show version
> >
> > Hostname: mx5t
> > Model: mx5-t
> > JUNOS Base OS boot [11.4R2.14]
> > JUNOS Base OS Software Suite [11.4R2.14]
> > JUNOS Kernel Software Suite [11.4R2.14]
> > JUNOS Packet Forwarding Engine Support (MX80) [11.4R2.14]
> > JUNOS Online Documentation [11.4R2.14]
> > JUNOS Routing Software Suite [11.4R2.14]
> >
> > mx5t# show chassis
> >
> > fpc 1 {
> > pic 0 {
> > tunnel-services {
> > bandwidth 1g;
> > }
> > inactive: adaptive-services {
> > service-package layer-2;
> > }
> > }
> > pic 1 {
> > tunnel-services {
> > bandwidth 1g;
> > }
> > }
> > }
> > network-services ip;
> >
> > mx5t# show R1
> > interfaces {
> > lt-1/1/10 {
> > unit 12 {
> > encapsulation ethernet;
> > peer-unit 21;
> > family inet {
> > address 10.10.10.1/24;
> > }
> > family iso;
> > family mpls;
> > }
> > }
> > lo0 {
> > unit 1000 {
> > family inet {
> > address 1.1.1.1/32;
> > }
> > family iso {
> > address 49.0001.1111.1111.00;
> > }
> > }
> > }
> > }
> > protocols {
> > rsvp {
> > interface all;
> > }
> > mpls {
> > label-switched-path mihai {
> > to 3.3.3.3;
> > no-cspf;
> > }
> > interface all;
> > }
> > isis {
> > interface all;
> > }
> > }
> >
> > mx5t# show R2
> > interfaces {
> > lt-1/1/10 {
> > unit 21 {
> > encapsulation ethernet;
> > peer-unit 12;
> > family inet {
> > address 10.10.10.2/24;
> > }
> > family iso;
> > family mpls;
> > }
> > unit 23 {
> > encapsulation ethernet;
> > peer-unit 32;
> > family inet {
> > address 10.10.20.2/24;
> > }
> > family iso;
> > family mpls;
> > }
> > }
> > lo0 {
> > unit 1001 {
> > family inet {
> > address 2.2.2.2/32;
> > }
> > family iso {
> > address 49.0001.2222.2222.00;
> > }
> > }
> > }
> > }
> > protocols {
> > rsvp {
> > interface all;
> > }
> > mpls {
> > interface all;
> > }
> > isis {
> > interface all;
> > }
> > }
> >
> > mx5t# show R3
> > interfaces {
> > lt-1/1/10 {
> > unit 32 {
> > encapsulation ethernet;
> > peer-unit 23;
> > family inet {
> > address 10.10.20.3/24;
> > }
> > family iso;
> > family mpls;
> > }
> > }
> > lo0 {
> > unit 1003 {
> > family inet {
> > address 3.3.3.3/24;
> > }
> > family iso {
> > address 49.0001.3333.3333.00;
> > }
> > }
> > }
> > }
> > protocols {
> > rsvp {
> > interface all;
> > }
> > mpls {
> > interface all;
> > }
> > isis {
> > interface all;
> > }
> > }
> >
> >
> > While a ping from R1 loopback to R3 loopback is successful , a traceroute
> > from R1 to R3 doesn't show the transit router R2 (I tried with and
> without
> > mpls), and a lsp from R1 to R3 is failing to come up.
> >
> > x5t# run show route logical-system R1
> >
> > inet.0: 7 destinations, 7 routes (7 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 1.1.1.1/32 *[Direct/0] 01:07:53
> > > via lo0.1000
> > 2.2.2.2/32 *[IS-IS/15] 01:02:44, metric 10
> > > to 10.10.10.2 via lt-1/1/10.12
> > 3.3.3.0/24 *[IS-IS/15] 01:02:20, metric 20
> > > to 10.10.10.2 via lt-1/1/10.12
> > 3.3.3.3/32 *[IS-IS/15] 01:02:20, metric 20
> > > to 10.10.10.2 via lt-1/1/10.12
> > 10.10.10.0/24 *[Direct/0] 01:07:53
> > > via lt-1/1/10.12
> > 10.10.10.1/32 *[Local/0] 01:07:53
> > Local via lt-1/1/10.12
> > 10.10.20.0/24 *[IS-IS/15] 01:02:44, metric 20
> > > to 10.10.10.2 via lt-1/1/10.12
> >
> > iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 49.0001.1111.1111/56
> > *[Direct/0] 01:02:59
> > > via lo0.1000
> >
> > mpls.0: 3 destinations, 3 routes (3 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 0 *[MPLS/0] 01:00:09, metric 1
> > Receive
> > 1 *[MPLS/0] 01:00:09, metric 1
> > Receive
> > 2 *[MPLS/0] 01:00:09, metric 1
> > Receive
> >
> > mx5t# run show route logical-system R2
> >
> > inet.0: 8 destinations, 8 routes (8 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 1.1.1.1/32 *[IS-IS/15] 01:03:04, metric 10
> > > to 10.10.10.1 via lt-1/1/10.21
> > 2.2.2.2/32 *[Direct/0] 01:08:13
> > > via lo0.1001
> > 3.3.3.0/24 *[IS-IS/15] 01:02:40, metric 10
> > > to 10.10.20.3 via lt-1/1/10.23
> > 3.3.3.3/32 *[IS-IS/15] 01:02:40, metric 10
> > > to 10.10.20.3 via lt-1/1/10.23
> > 10.10.10.0/24 *[Direct/0] 01:08:13
> > > via lt-1/1/10.21
> > 10.10.10.2/32 *[Local/0] 01:08:13
> > Local via lt-1/1/10.21
> > 10.10.20.0/24 *[Direct/0] 01:08:13
> > > via lt-1/1/10.23
> > 10.10.20.2/32 *[Local/0] 01:08:13
> > Local via lt-1/1/10.23
> >
> > iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 49.0001.2222.2222/56
> > *[Direct/0] 01:03:19
> > > via lo0.1001
> >
> > mpls.0: 3 destinations, 3 routes (3 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 0 *[MPLS/0] 01:00:29, metric 1
> > Receive
> > 1 *[MPLS/0] 01:00:29, metric 1
> > Receive
> > 2 *[MPLS/0] 01:00:29, metric 1
> > Receive
> >
> > mx5t# run show route logical-system R3
> >
> > inet.0: 7 destinations, 7 routes (7 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 1.1.1.1/32 *[IS-IS/15] 01:02:41, metric 20
> > > to 10.10.20.2 via lt-1/1/10.32
> > 2.2.2.2/32 *[IS-IS/15] 01:02:50, metric 10
> > > to 10.10.20.2 via lt-1/1/10.32
> > 3.3.3.0/24 *[Direct/0] 01:08:23
> > > via lo0.1003
> > 3.3.3.3/32 *[Local/0] 01:08:23
> > Local via lo0.1003
> > 10.10.10.0/24 *[IS-IS/15] 01:02:50, metric 20
> > > to 10.10.20.2 via lt-1/1/10.32
> > 10.10.20.0/24 *[Direct/0] 01:08:23
> > > via lt-1/1/10.32
> > 10.10.20.3/32 *[Local/0] 01:08:23
> > Local via lt-1/1/10.32
> >
> > iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 49.0001.3333.3333/56
> > *[Direct/0] 01:03:29
> > > via lo0.1003
> >
> > mpls.0: 3 destinations, 3 routes (3 active, 0 holddown, 0 hidden)
> > + = Active Route, - = Last Active, * = Both
> >
> > 0 *[MPLS/0] 01:00:39, metric 1
> > Receive
> > 1 *[MPLS/0] 01:00:39, metric 1
> > Receive
> > 2 *[MPLS/0] 01:00:39, metric 1
> > Receive
> >
> > mx5t# run ping logical-system R1 3.3.3.3 source 1.1.1.1
> > PING 3.3.3.3 (3.3.3.3): 56 data bytes
> > 64 bytes from 3.3.3.3: icmp_seq=0 ttl=64 time=0.521 ms
> > 64 bytes from 3.3.3.3: icmp_seq=1 ttl=64 time=0.493 ms
> > 64 bytes from 3.3.3.3: icmp_seq=2 ttl=64 time=0.524 ms
> > 64 bytes from 3.3.3.3: icmp_seq=3 ttl=64 time=0.497 ms
> > ^C
> > --- 3.3.3.3 ping statistics ---
> > 4 packets transmitted, 4 packets received, 0% packet loss
> > round-trip min/avg/max/stddev = 0.493/0.509/0.524/0.014 ms
> >
> > mx5t# run traceroute logical-system R1 3.3.3.3
> > traceroute to 3.3.3.3 (3.3.3.3), 30 hops max, 40 byte packets
> > 1 3.3.3.3 (3.3.3.3) 0.948 ms 4.208 ms 0.448 ms
> >
> > mx5t# run show mpls lsp extensive logical-system R1
> > Ingress LSP: 1 sessions
> >
> > 3.3.3.3
> > From: 1.1.1.1, State: Dn, ActiveRoute: 0, LSPname: mihai
> > ActivePath: (none)
> > LSPtype: Static Configured
> > LoadBalance: Random
> > Encoding type: Packet, Switching type: Packet, GPID: IPv4
> > Primary State: Dn
> > Priorities: 7 0
> > SmartOptimizeTimer: 180
> > 1 May 22 14:35:12.385 Originate Call
> > Created: Tue May 22 14:35:11 2012
> > Total 1 displayed, Up 0, Down 1
> >
> > mx5t# run show mpls lsp extensive logical-system R3
> > Ingress LSP: 0 sessions
> > Total 0 displayed, Up 0, Down 0
> >
> > Egress LSP: 1 sessions
> >
> > 3.3.3.3
> > From: 1.1.1.1, LSPstate: Up, ActiveRoute: 0
> > LSPname: mihai, LSPpath: Primary
> > Suggested label received: -, Suggested label sent: -
> > Recovery label received: -, Recovery label sent: -
> > Resv style: 1 FF, Label in: 3, Label out: -
> > Time left: 152, Since: Tue May 22 14:35:12 2012
> > Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500
> > Port number: sender 1 receiver 55769 protocol 0
> > PATH rcvfrom: 10.10.10.1 (lt-1/1/10.32) 81 pkts
> > Adspec: received MTU 1500
> > PATH sentto: localclient
> > RESV rcvfrom: localclient
> > Record route: 10.10.10.1 <self>
> > Total 1 displayed, Up 1, Down 0
> >
> >
> > Do I miss something or my box is crazy?:)
> >
> > Regards
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp@puck.nether.net
> > https://puck.nether.net/mailman/listinfo/juniper-nsp
>
>
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