[j-nsp] VPLS multihoming in 9.1

Marlon Duksa mduksa at gmail.com
Fri Aug 1 11:49:53 EDT 2008


It looks lie JUNOS 9.1 does not support multihomed and single homed sites on
the same PE in the same VPLS. When I removed the single homed site and left
only multihomes, things came up.

On Thu, Jul 31, 2008 at 2:40 PM, Marlon Duksa <mduksa at gmail.com> wrote:

> Does anyone know why my multihomed site would not establish PW.
>
> I have a meshed topology of 3 nodes (PEs), and two of the three nodes are
> multihoming a single CE site.
> In addition, I also have singlehomed sites in my VPLS and they are just
> fine (connection is up).
>
> But for the multihomed site I get the LM status on one multihomed PE and LN
> and SC status on the other multihomed PE.
> Why would I get SC (collision) when the documentation clearly says that
> multihomed sites must have the same site ID?
> Not sure at all why I'm getting the LN and LM status.
> I do have the same RD and RT in all three PEs, but this should be fine.
>
> Can anyone help? Thanks,
> Marlon
>
> Here is the relevant config from the two nodes and 'show vpls connections'
> output:
>
> 1st PE:
> admin at mx-re0# show routing-instances
> vpls {
>     instance-type vpls;
>     interface ge-0/1/1.0;
>     interface ge-8/2/0.0;
>     interface ge-5/3/4.0;
>     route-distinguisher 100:100;
>     vrf-target target:200:200;
>     protocols {
>         vpls {
>             site-range 10;
>             no-tunnel-services;
>             site green {
>                 site-identifier 1;
>                 interface ge-0/1/1.0;
>                 interface ge-8/2/0.0;
>             }
>             site multi {
>                 site-identifier 4;
>                 multi-homing;
>                 interface ge-5/3/4.0;
>             }
>         }
>     }
> }
>
> admin at mx-re0# run show vpls connections extensive
> Layer-2 VPN connections:
>
> Legend for connection status (St)
> EI -- encapsulation invalid      NC -- interface encapsulation not
> CCC/TCC/VPLS
> EM -- encapsulation mismatch     WE -- interface and instance encaps not
> same
> VC-Dn -- Virtual circuit down    NP -- interface hardware not present
> CM -- control-word mismatch      -> -- only outbound connection is up
> CN -- circuit not provisioned    <- -- only inbound connection is up
> OR -- out of range               Up -- operational
> OL -- no outgoing label          Dn -- down
> LD -- local site signaled down   CF -- call admission control failure
> RD -- remote site signaled down  SC -- local and remote site ID collision
> LN -- local site not designated  LM -- local site ID not minimum designated
> RN -- remote site not designated RM -- remote site ID not minimum
> designated
> XX -- unknown connection status  IL -- no incoming label
> MM -- MTU mismatch               MI -- Mesh-Group ID not availble
>
> Legend for interface status
> Up -- operational
> Dn -- down
>
> Instance: vpls
>   Local site: green (1)
>   Number of local interfaces: 2
>   Number of local interfaces up: 2
>   IRB interface present: no
>     ge-0/1/1.0
>     ge-8/2/0.0
>     lsi.1049088         2         Intf - vpls vpls local site 1 remote site
> 2
>     lsi.1049089         3         Intf - vpls vpls local site 1 remote site
> 3
>           262145           1         8       100
>     status-vector: 9F
>     connection-site           Type  St     Time last up          # Up trans
>     2                         rmt   Up     Jul 31 20:10:57 2008           1
>       Local interface: lsi.1049088, Status: Up, Encapsulation: VPLS
>         Description: Intf - vpls vpls local site 1 remote site 2
>       Remote PE: 2.2.2.2, Negotiated control-word: No
>       Incoming label: 262146, Outgoing label: 800000
>
>     Connection History:
>         Jul 31 20:10:57 2008  status update timer
>         Jul 31 20:10:57 2008  PE route changed
>         Jul 31 20:10:57 2008  Out lbl Update                    800000
>         Jul 31 20:10:57 2008  In lbl Update                     262146
>         Jul 31 20:10:57 2008  loc intf up                  lsi.1049088
>     3                         rmt   Up     Jul 31 20:10:57 2008           1
>       Local interface: lsi.1049089, Status: Up, Encapsulation: VPLS
>         Description: Intf - vpls vpls local site 1 remote site 3
>       Remote PE: 3.3.3.3, Negotiated control-word: No
>       Incoming label: 262147, Outgoing label: 800000
>
>     Connection History:
>         Jul 31 20:10:57 2008  status update timer
>         Jul 31 20:10:57 2008  PE route changed
>         Jul 31 20:10:57 2008  Out lbl Update                    800000
>         Jul 31 20:10:57 2008  In lbl Update                     262147
>         Jul 31 20:10:57 2008  loc intf up                  lsi.1049089
>   Local site: multi (4)
>   Number of local interfaces: 1
>   Number of local interfaces up: 1
>   IRB interface present: no
>     ge-5/3/4.0
>     lsi.1049090         2         Intf - vpls vpls local site 4 remote site
> 2
>         Interface flags: VC-Down
>     lsi.1049091         3         Intf - vpls vpls local site 4 remote site
> 3
>         Interface flags: VC-Down
>           262153           1         8       100
>     status-vector: 9F
>     connection-site           Type  St     Time last up          # Up trans
>     2                         rmt   LM
>     3                         rmt   LM
>
> {master}[edit]
> admin at mx-re0#
>
>
>
>
> second PE:
> routing-instances {
>             vpls {
>                 instance-type vpls;
>                 interface ge-5/0/0.0;
>                 interface ge-3/0/2.0;
>                 interface ge-1/0/0.0;
>                 route-distinguisher 100:100;
>                 vrf-target target:200:200;
>                 protocols {
>                     vpls {
>                         site-range 10;
>                         site green {
>                             site-identifier 2;
>                             interface ge-5/0/0.0;
>                             interface ge-3/0/2.0;
>                         }
>                         site multi {
>                             site-identifier 4;
>                             multi-homing;
>                             interface ge-1/0/0.0;
>                         }
>                     }
>                 }
>             }
>         }
>
>
>
> admin at re-0# run show vpls connections extensive logical-router LR1
> Layer-2 VPN connections:
>
> Legend for connection status (St)
> EI -- encapsulation invalid      NC -- interface encapsulation not
> CCC/TCC/VPLS
> EM -- encapsulation mismatch     WE -- interface and instance encaps not
> same
> VC-Dn -- Virtual circuit down    NP -- interface hardware not present
> CM -- control-word mismatch      -> -- only outbound connection is up
> CN -- circuit not provisioned    <- -- only inbound connection is up
> OR -- out of range               Up -- operational
> OL -- no outgoing label          Dn -- down
> LD -- local site signaled down   CF -- call admission control failure
> RD -- remote site signaled down  SC -- local and remote site ID collision
> LN -- local site not designated  LM -- local site ID not minimum designated
> RN -- remote site not designated RM -- remote site ID not minimum
> designated
> XX -- unknown connection status  IL -- no incoming label
> MM -- MTU mismatch               MI -- Mesh-Group ID not availble
>
> Legend for interface status
> Up -- operational
> Dn -- down
>
> Instance: vpls
>   Local site: green (2)
>   Number of local interfaces: 2
>   Number of local interfaces up: 2
>   IRB interface present: no
>     ge-5/0/0.0
>     ge-3/0/2.0
>     vt-1/3/0.17825792   1         Intf - vpls vpls local site 2 remote site
> 1
>     vt-1/3/0.17825793   3         Intf - vpls vpls local site 2 remote site
> 3
>     vt-1/3/0.17825794   4         Intf - vpls vpls local site 2 remote site
> 4
>         Interface flags: VC-Down
>           800000           1         8       100
>     status-vector: 4F
>     connection-site           Type  St     Time last up          # Up trans
>     1                         rmt   Up     Jul 31 20:06:41 2008           1
>       Local interface: vt-1/3/0.17825792, Status: Up, Encapsulation: VPLS
>         Description: Intf - vpls vpls local site 2 remote site 1
>       Remote PE: 1.1.1.1, Negotiated control-word: No
>       Incoming label: 800000, Outgoing label: 262146
>
>     Connection History:
>         Jul 31 20:06:41 2008  status update timer
>         Jul 31 20:06:41 2008  PE route changed
>         Jul 31 20:06:41 2008  Out lbl Update                    262146
>         Jul 31 20:06:41 2008  In lbl Update                     800000
>         Jul 31 20:06:41 2008  loc intf up            vt-1/3/0.17825792
>     3                         rmt   Up     Jul 31 20:06:45 2008           1
>       Local interface: vt-1/3/0.17825793, Status: Up, Encapsulation: VPLS
>         Description: Intf - vpls vpls local site 2 remote site 3
>       Remote PE: 3.3.3.3, Negotiated control-word: No
>       Incoming label: 800002, Outgoing label: 800001
>
>     Connection History:
>         Jul 31 20:06:45 2008  status update timer
>         Jul 31 20:06:45 2008  PE route changed
>         Jul 31 20:06:45 2008  Out lbl Update                    800001
>         Jul 31 20:06:45 2008  In lbl Update                     800002
>         Jul 31 20:06:45 2008  loc intf up            vt-1/3/0.17825793
>     4                         rmt   RM
>   Local site: multi (4)
>   Number of local interfaces: 1
>   Number of local interfaces up: 1
>   IRB interface present: no
>     ge-1/0/0.0
>         Interface flags: VC-Down
>     vt-1/3/0.17825795   1         Intf - vpls vpls local site 4 remote site
> 1
>         Interface flags: VC-Down
>     vt-1/3/0.17825796   3         Intf - vpls vpls local site 4 remote site
> 3
>         Interface flags: VC-Down
>           800008           1         8       100
>     status-vector: 5F
>     connection-site           Type  St     Time last up          # Up trans
>     1                         rmt   LN
>     3                         rmt   LN
>     4                         rmt   SC
>
> {master}[edit]
> admin at re-0#
>
>
>
>
>
>


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