[cisco-bba] vpdn multihop question
Tassos Chatzithomaoglou
achatz at forthnet.gr
Thu Jul 1 12:23:51 EDT 2004
Here are some debug logs when i have enabled the following debugs. If you need some more
debugs, just tell me.
MLPVT group:
SGBP errors debugging is on
SGBP messages debugging is on
SGBP events debugging is on
PPP:
Multilink events debugging is on
The mlp user is named "userx".
LNS Router x.x.x.x
------------------
LNS1#sh sgbp
Group Name: mmp Ref: 0x45A7CC1B
Seed bid: default, 50, default seed bid setting
Member Name: LNS2 State: active Id: 1
Ref: 0x8672001B
Address: y.y.y.y
1st try
-------
Jul 1 14:28:11.444: SGBP: Sending protocol 0x3 in MQ Open
Jul 1 14:28:11: %SGBP-7-SENT: MQ Open to y.y.y.y for query 15:0, bundle , bid 48, prot
l2tp l2f, len 93
Jul 1 14:28:11: %SGBP-7-MQ: Open (0x10) for query 15:15, bundle userx, bid 0, len 89
Jul 1 14:28:11: %SGBP-7-RCVD: MQ Open from y.y.y.y for query 15:0, bundle userx, bid 0,
prot l2tp l2f
Jul 1 14:28:11.644: userx MLP: Bundle appointed
Jul 1 14:28:11.644: SGBP: Sending protocol 0x2 in MQ Close
Jul 1 14:28:11: %SGBP-7-SENT: MQ Close to y.y.y.y for query 15:0, bundle userx, bid
10000, prot l2tp, len 101
Jul 1 14:28:11.812: Vi1780 MLP: Request add link to bundle
Jul 1 14:28:11.812: Vi1780 MLP: Adding link to bundle
Jul 1 14:28:11.820: Vi886 MLP: VP: Clone from Vtemplate 1 block=1
Jul 1 14:28:11.832: Vi886 MLP: Added first link Vi1780 to bundle userx
Jul 1 14:28:20.260: Vi1811 MLP: Request add link to bundle
Jul 1 14:28:20.260: Vi1811 MLP: Adding link to bundle
Jul 1 14:28:20.260: Vi886 MLP: Added link Vi1811 to bundle userx
2nd try
-------
Jul 1 15:17:43.756: SGBP: Sending protocol 0x3 in MQ Open
Jul 1 15:17:43: %SGBP-7-SENT: MQ Open to y.y.y.y for query 16:0, bundle userx, bid 50,
prot l2tp l2f, len 93
Jul 1 15:17:43: %SGBP-7-MQ: Bid (0x11) for query 16:16, bundle userx, bid 0, len 94
Jul 1 15:17:43: %SGBP-7-RCVD: MQ Bid from y.y.y.y for query 16:0, bundle userx, bid 0,
prot l2tp l2f
Jul 1 15:17:43.956: userx MLP: Bundle appointed
Jul 1 15:17:43.956: SGBP: Sending protocol 0x2 in MQ Close
Jul 1 15:17:43: %SGBP-7-SENT: MQ Close to y.y.y.y for query 16:0, bundle userx, bid
10000, prot l2tp, len 101
Jul 1 15:17:44.148: Vi1054 MLP: Request add link to bundle
Jul 1 15:17:44.148: Vi1054 MLP: Adding link to bundle
Jul 1 15:17:44.156: Vi2535 MLP: VP: Clone from Vtemplate 1 block=1
Jul 1 15:17:44.172: Vi2535 MLP: Added first link Vi1054 to bundle userx
Jul 1 15:17:45.492: Vi688 MLP: Request add link to bundle
Jul 1 15:17:45.492: Vi688 MLP: Adding link to bundle
Jul 1 15:17:45.496: Vi2535 MLP: Added link Vi688 to bundle userx
Jul 1 15:17:54.436: Vi1054 MLP: ip packet forwarded to wrong interface
Jul 1 15:17:58.484: Vi688 MLP: ip packet forwarded to wrong interface
Jul 1 15:19:54.545: Vi1054 MLP: ip packet forwarded to wrong interface
Jul 1 15:19:58.541: Vi688 MLP: ip packet forwarded to wrong interface
Jul 1 15:21:54.587: Vi1054 MLP: ip packet forwarded to wrong interface
Jul 1 15:21:58.635: Vi688 MLP: ip packet forwarded to wrong interface
Jul 1 15:23:54.676: Vi1054 MLP: ip packet forwarded to wrong interface
Jul 1 15:23:58.720: Vi688 MLP: ip packet forwarded to wrong interface
Jul 1 15:25:54.766: Vi1054 MLP: ip packet forwarded to wrong interface
Jul 1 15:25:58.810: Vi688 MLP: ip packet forwarded to wrong interface
LNS Router y.y.y.y
------------------
LNS2#sh sgbp
Group Name: mmp Ref: 0x8672001B
Seed bid: default, 50, default seed bid setting
Member Name: LNS1 State: active Id: 1
Ref: 0x45A7CC1B
Address: x.x.x.x
1st try
-------
Jul 1 14:28:11: %SGBP-7-MQ: Open (0x10) for query 0:15, bundle userx, bid 48, len 89
Jul 1 14:28:11: %SGBP-7-RCVD: MQ Open from x.x.x.x for query 15:15, bundle userx, bid 48,
prot l2tp l2f
Jul 1 14:28:11.562: SGBP: Sending protocol 0x3 in MQ Open
Jul 1 14:28:11: %SGBP-7-SENT: MQ Open to x.x.x.x for query 15:15, bundle userx, bid 0,
prot l2tp l2f, len 93
Jul 1 14:28:11: %SGBP-7-MQ: Close (0x20) for query 0:15, bundle userx, bid 10000, len 97
Jul 1 14:28:11: %SGBP-7-RCVD: MQ Close from x.x.x.x for query 15:15, bundle userx, bid
48, prot l2tp
2nd try
-------
Jul 1 15:17:35.354: Vi156 MLP: ip packet forwarded to wrong interface
Jul 1 15:17:43: %SGBP-7-MQ: Open (0x10) for query 0:16, bundle userx, bid 50, len 89
Jul 1 15:17:43: %SGBP-7-RCVD: MQ Open from x.x.x.x for query 16:16, bundle userx, bid 50,
prot l2tp l2f
Jul 1 15:17:43.826: SGBP: Sending protocol 0x3 in MQ Bid
Jul 1 15:17:43: %SGBP-7-SENT: MQ Bid to x.x.x.x for query 16:16, bundle userx, bid 0,
prot l2tp l2f, len 98
Jul 1 15:17:43: %SGBP-7-MQ: Close (0x20) for query 0:16, bundle userx, bid 10000, len 97
Jul 1 15:17:43: %SGBP-7-RCVD: MQ Close from x.x.x.x for query 16:16, bundle userx, bid
50, prot l2tp
Jul 1 15:18:03.567: Vi1346 MLP: ip packet forwarded to wrong interface
Jul 1 15:19:36.300: Vi156 MLP: ip packet forwarded to wrong interface
Jul 1 15:20:04.536: Vi1346 MLP: ip packet forwarded to wrong interface
Jul 1 15:21:37.269: Vi156 MLP: ip packet forwarded to wrong interface
Jul 1 15:22:05.517: Vi1346 MLP: ip packet forwarded to wrong interface
Jul 1 15:23:38.258: Vi156 MLP: ip packet forwarded to wrong interface
Jul 1 15:24:06.502: Vi1346 MLP: ip packet forwarded to wrong interface
Jul 1 15:25:39.231: Vi156 MLP: ip packet forwarded to wrong interface
On the 2nd try, if i remember correctly, i had 1 MLP-bundle + 1 PPPoVPDN on each LNS (!)
Also, as you can see, i'm getting a lot of "MLP: ip packet forwarded to wrong interface"
messages.
Oliver Boehmer (oboehmer) wrote:
>>Sgbp seems active...
>
>
> Hmm...
>
>
>>Something that i'm not sure about : Do i need to configure
>>some extra vpdn groups on each
>>LNS (besides the one used for accepting calls from the LAC) in order
>>to make/accept vpdn calls to/from the other 2 LNS?
>
>
> no, only sgbp.
>
> really need to see some debugs to tell what's going on..
>
> oli
>
>
>>Oliver Boehmer (oboehmer) wrote:
>>
>>
>>>>We have a Juniper ERX1400 used as a LAC (PPPoX termination) and 3
>>>>7200s used as LNS (L2TP termination).
>>>>We have defined sgbp and vpdn multihop on all the 7200s and
>>>>we want to enable Multichassis
>>>>Multilink between all 3 of them. Vpdn is working fine between all of
>>>>them and multilink too as long as the multilink channels end at the
>>>>same LNS.
>>>>
>>>>Do we need to define something like "vpdn multihop" or "sgbp" on the
>>>>Juniper (LAC) too?
>>>
>>>
>>>No, the LAC couldn't care less ;-)
>>>
>>>Is SGBP operational (i.e. all peers are shown as "Active")? you might
>>>want to capture some sgbp debugs when a multilink call arrives at
>>>the LNS...
>>>
>>> oli
>>>
>>
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