[c-nsp] Multilink PPP problem between 12.2 - 12.3

[noc ops]

Hi Brian,

I think you're missing "ppp authentication chap" on your serial ifs.



regards,
/virendra

Brian Lehigh wrote:
> I have setup multilink bundles in the past with very little effort but this
> is driving me crazy.  Basically, I build the multilink interface and assign
> it an address, set encapsulation to PPP on each of the serial interfaces and
> add them to the multilink group and they just come up.
> I am trying to do this same process on a 7206 NPE-150 running 12.2(17a) but
> the serial interfaces stay in up/down.  I did a debug ppp negotiation and
> debug ppp authentication and received the following:
> 
> ----------------------------
> Aug 23 14:43:11: Se2/0 PPP: Phase is DOWN [0 sess, 1 load]
> Aug 23 14:43:11: Se2/0 PPP: Phase is ESTABLISHING, Passive Open [0 sess, 1
> load]
> Aug 23 14:43:11: Se2/0 LCP: State is Listen
> Aug 23 14:43:13: Se2/0 LCP: TIMEout: State Listen
> Aug 23 14:43:13: Se2/0 LCP: O CONFREQ [Listen] id 33 len 36
> Aug 23 14:43:13: Se2/0 LCP:    MagicNumber 0x9A917F10 (0x05069A917F10)
> Aug 23 14:43:13: Se2/0 LCP:    MRRU 1524 (0x110405F4)
> Aug 23 14:43:13: Se2/0 LCP:    EndpointDisc 1 rt-core-00.mariposa
> Aug 23 14:43:13: Se2/0 LCP:     (0x13160172742D636F72652D30302E6D61)
> Aug 23 14:43:13: Se2/0 LCP:     (0x7269706F7361)
> Aug 23 14:43:13: Se2/0 LCP: I CONFREQ [REQsent] id 30 len 20
> Aug 23 14:43:13: Se2/0 LCP:    MagicNumber 0xB65F7D44 (0x0506B65F7D44)
> Aug 23 14:43:13: Se2/0 LCP:    MRRU 1524 (0x110405F4)
> Aug 23 14:43:13: Se2/0 LCP:    EndpointDisc 1 JCF (0x1306014A4346)
> Aug 23 14:43:13: Se2/0 LCP: O CONFACK [REQsent] id 30 len 20
> Aug 23 14:43:13: Se2/0 LCP:    MagicNumber 0xB65F7D44 (0x0506B65F7D44)
> Aug 23 14:43:13: Se2/0 LCP:    MRRU 1524 (0x110405F4)
> Aug 23 14:43:13: Se2/0 LCP:    EndpointDisc 1 JCF (0x1306014A4346)
> Aug 23 14:43:13: Se2/0 LCP: I CONFACK [ACKsent] id 33 len 36
> Aug 23 14:43:13: Se2/0 LCP:    MagicNumber 0x9A917F10 (0x05069A917F10)
> Aug 23 14:43:13: Se2/0 LCP:    MRRU 1524 (0x110405F4)
> Aug 23 14:43:13: Se2/0 LCP:    EndpointDisc 1 rt-core-00.mariposa
> Aug 23 14:43:13: Se2/0 LCP:     (0x13160172742D636F72652D30302E6D61)
> Aug 23 14:43:13: Se2/0 LCP:     (0x7269706F7361)
> Aug 23 14:43:13: Se2/0 LCP: State is Open
> Aug 23 14:43:13: Se2/0 AAA/AUTHOR/LCP: Denied
> Aug 23 14:43:13: Se2/0 PPP: Phase is TERMINATING [0 sess, 1 load]
> Aug 23 14:43:13: Se2/0 LCP: O TERMREQ [Open] id 34 len 4
> Aug 23 14:43:13: Se2/0 LCP: I TERMACK [TERMsent] id 34 len 4
> Aug 23 14:43:13: Se2/0 LCP: State is Closed
> ----------------------------
> 
> It looks like the link is trying to perform authentication but I didn't
> configure it to use PAP or CHAP, etc.
> Below is a snippet of the config.  What am I doing wrong here?  Does 12.2
> require authentication?  I haven't had to use this on my routers running
> 12.3 code.
> 
> interface Multilink2
>  description Multilink to customer
>  ip address xxx.xxx.106.33 255.255.255.252
>  no ip route-cache
>  no ip mroute-cache
>  no cdp enable
>  ppp multilink
>  multilink-group 2
> !          
> interface Serial2/0
>  no ip address
>  encapsulation ppp
>  load-interval 30
>  down-when-looped
>  no fair-queue
>  no cdp enable
>  ppp multilink
>  ppp multilink group 2
> !
> interface Serial2/1
>  no ip address
>  encapsulation ppp
>  load-interval 30
>  down-when-looped
>  no fair-queue
>  no cdp enable
>  ppp multilink
>  ppp multilink group 2
> !
> 
> 
> 
> Brian Lehigh
> Network Operations Center
> Sierra Tel Internet
> http://www.sti.net
>  
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Oliver Boehmer
> (oboehmer)
> Sent: Wednesday, August 24, 2005 8:47 AM
> To: Rivo Tahina RAZAFINDRATSIFA; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] bri problem
> 
> Rivo Tahina RAZAFINDRATSIFA <> wrote on Wednesday, August 24, 2005 3:29
> PM:
> 
> 
>>Hi all,
>>
>>I have a Cisco 801 trying to connect to a central site, a debug isdn
>>q931, shows the following:
>>
>>Aug 24 16:26:10.870: ISDN BR0: TX ->  SETUP pd = 8  callref = 0x2B
>>Aug 24 16:26:10.886:         Bearer Capability i = 0x8890
>>Aug 24 16:26:10.890:         Channel ID i = 0x83
>>Aug 24 16:26:10.894:         Shift to Codeset 6
>>Aug 24 16:26:10.898:         Codeset 6 IE 0x24  i = 0x80
>>Aug 24 16:26:10.898:         Called Party Number i = 0x80, '12345678',
>>Plan:Unknown, Type:Unknown
>>Aug 24 16:26:10.914:         High Layer Compat i = 0xC1FF
>>Aug 24 16:26:10.918:         Sending Complete
>>Aug 24 16:26:11.358: ISDN BR0: RX <-  CALL_PROC pd = 8  callref = 0xAB
>>Aug 24 16:26:11.362:         Channel ID i = 0x89
>>Aug 24 16:26:11.754: ISDN BR0: RX <-  DISCONNECT pd = 8  callref =
>>0xAB 
>>Aug 24 16:26:11.758:         Cause i = 0x87BB - Unknown cause value
>>Aug 24 16:26:11.878: ISDN BR0: TX ->  RELEASE pd = 8  callref = 0x2B
>>Aug 24 16:26:12.046: ISDN BR0: RX <-  RELEASE_COMP pd = 8  callref =
>>0xAB Aug 24 16:26:13.702: ISDN BR0: TX ->  SETUP pd = 8  callref =
>>0x2C 
>>Aug 24 16:26:13.706:         Bearer Capability i = 0x8890
>>
>>Why do I have Unknown cause value?
> 
> 
> Well, if the router knew more about the cause code, it would have
> printed it ;-) I guess you need to check on the other side why it
> disconnects the call.
> 
> 	oli
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>