From: robbie (robbie@packetized.org)
Date: Thu Oct 21 2004 - 01:54:57 GMT-3
For Custom (5ESS/DMS100) or NI switches, both SPIDs are required, as
each BRI channel requires a SPID so it can register with the switch, get
assigned a TEI, and place outbound/receive inbound calls with its own
specific TEI on the ISDN switch. The TEI is a layer 2 address, but to
have one assigned, you must have a SPID for each channel if using NI-1.
I'm not sure if this is a requirement on other switchtypes (NET3, etc).
robbie
Cisco Net wrote:
> Thanks guys...
> Actually adding 2 spids helped in getting the second channel as well.
> Good to know...
> I think as earleir mentioned it could be switch specific.
>
> Thank you all.
> Cert.
>
>
> On Wed, 20 Oct 2004 18:37:04 -0700, Larry Metzger
> <larrymetzger@sbcglobal.net> wrote:
>
>>This sounds very familiar. I believe if you'll read the isdn spid1
>>command reference
>>http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/
>>fdial_r/drfisl2.htm#wp1077028
>>You'll find that you can only bring up one B channel if you only have 1
>>spid and no LDN (for some isdn switches). If you'll add the LDN to the
>>isdn spid1 command, both channels will be able to come up.
>>
>>Larry
>>
>>
>>
>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>>Cisco Net
>>Sent: Wednesday, October 20, 2004 6:05 PM
>>To: Group Study
>>Subject: PPP multilink - not getting the second BRI [IE lab 7]
>>
>>Hi
>>Part of the question is to get both BRI channels together.
>>And i have the following configurations,
>>
>>Rack4R5:
>>interface BRI2/0
>>ip address 163.4.45.5 255.255.255.248
>>ip router isis
>>encapsulation ppp
>>dialer map clns 33.0004.0004.0004.00 name Rack4R4 broadcast 2436155
>>dialer map ip 163.4.45.4 name Rack4R4 broadcast 2436155
>>dialer-group 1
>>isdn switch-type basic-ni
>>isdn spid1 4084370443
>>ppp authentication chap
>>ppp multilink --> Multilink is enabled
>>ppp multilink links minimum 2 -->so that both channels should come up
>>isis circuit-type level-2-only
>>
>>dialer-list 1 protocol ip permit
>>dialer-list 1 protocol clns_is permit
>>
>>Rack4R4:
>>
>>interface BRI3/0
>>ip address 163.4.45.4 255.255.255.248
>>ip router isis
>>encapsulation ppp
>>dialer idle-timeout 0
>>dialer map clns 33.0005.0005.0004.00 name Rack4R5 broadcast 4370443
>>dialer map ip 163.4.45.5 name Rack4R5 broadcast 4370443
>>isdn switch-type basic-ni
>>isdn spid1 4082436155
>>ppp authentication chap
>>ppp multilink --------> mullink enabled
>>isis circuit-type level-2-only
>>
>>Only R5 have the " ppp multilink links minimum 2" and that is beacuse
>>only R5 is allowed to dial and establish. There is no DDR on R4.
>>
>>R5:
>>Sh ip in brief shows second channel is still down.
>>BRI2/0 163.4.45.5 YES NVRAM up
>> up
>>BRI2/0:1 unassigned YES unset up
>> up
>>BRI2/0:2 unassigned YES unset down
>> down
>>
>>Any inputs are appreciated
>>Regards
>>Cert
>>
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>
>
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