[nsp] Subtending 6160 NI-2 DSLAM

[Cisco List]

James, it ends up being a pretty easy config but there are a couple of
keys.  We have a bunch of 6160s with some subtending going back to a
BPX8600 and then on to a 6400 so we have a similar setup.  Here are the
important config snips from two DSLAMs.  The first is connected back to
the BPX and the second is subtended off of the first.  The only
difference in our environment is that the DSLAMs are connected via OC3
but that should not make a difference.

ATM 0/1 connectes to the BPX switch and ATM 0/2 connects to the
subtended DSLAM.  You have to configure the PVP or PVC for the subtended
connections so that they are mapped through the ATM ports on the DSLAM.

--------------------------------------------------------
!
interface ATM0/1
 no ip address
 atm ilmi-keepalive
 atm pvc 1 32  interface  ATM0/0 0 32  encap aal5snap
!
interface ATM0/2
 no ip address
 atm ilmi-keepalive
 atm pvc 1 33  interface  ATM0/1 1 33 
 atm pvc 1 35  interface  ATM0/1 1 35 
 atm pvc 2 288  interface  ATM0/1 2 288 
 atm pvc 2 289  interface  ATM0/1 2 289 
 atm pvc 2 290  interface  ATM0/1 2 290 
 atm pvc 2 291  interface  ATM0/1 2 291 
 atm pvc 2 296  interface  ATM0/1 2 296 
 atm pvc 2 297  interface  ATM0/1 2 297 
 atm pvc 2 298  interface  ATM0/1 2 298 
 atm pvc 2 299  interface  ATM0/1 2 299 
 atm pvc 2 300  interface  ATM0/1 2 300 
 atm pvc 2 304  interface  ATM0/1 2 304 
 atm pvc 2 305  interface  ATM0/1 2 305 
 atm pvc 2 306  interface  ATM0/1 2 306 
 atm pvc 2 307  interface  ATM0/1 2 307 
 atm pvc 2 312  interface  ATM0/1 2 312 
 atm pvc 2 313  interface  ATM0/1 2 313 
 atm pvc 2 314  interface  ATM0/1 2 314 
 atm pvc 2 315  interface  ATM0/1 2 315 
 atm pvc 2 360  interface  ATM0/1 2 360 
 atm pvc 2 544  interface  ATM0/1 2 544 
 atm pvc 2 545  interface  ATM0/1 2 545 
 atm pvc 2 546  interface  ATM0/1 2 546 
 atm pvc 2 547  interface  ATM0/1 2 547 
 atm pvc 2 552  interface  ATM0/1 2 552 
 atm pvc 2 553  interface  ATM0/1 2 553 
 atm pvc 2 554  interface  ATM0/1 2 554
---SNIP---


On DSLAM2 you'll have a subtend ID that is part of the general config.
That is a key to getting this whole setup to work.  Then you have your
interface configs for the ATM ports. A0/1 is connected to the "upstream"
DSLAM and A0/2 goes to a third DSLAM in path that is also subtended.

---------------------------------------------------
subtend-id 1
!
interface ATM0/1
 no ip address
 atm ilmi-keepalive
 atm pvc 1 33  interface  ATM0/0 0 32  encap aal5snap
!
interface ATM0/2
 no ip address
 no atm ilmi-keepalive
 atm pvc 1 35  interface  ATM0/1 1 35 
 atm pvc 2 544  interface  ATM0/1 2 544 
 atm pvc 2 545  interface  ATM0/1 2 545 
 atm pvc 2 546  interface  ATM0/1 2 546 
 atm pvc 2 547  interface  ATM0/1 2 547 
 atm pvc 2 552  interface  ATM0/1 2 552 
 atm pvc 2 553  interface  ATM0/1 2 553 
 atm pvc 2 554  interface  ATM0/1 2 554   
---SNIP---

Hopefully this helps you out.  If you have additional questions let us
know.

Take care,
Chad

-------------------------------
Chad Skidmore
One Eighty Networks
http://www.go180.net
509-688-8180 


-----Original Message-----
From: james at thehamptonfamily.us [mailto:james at thehamptonfamily.us] 
Posted At: Thursday, March 18, 2004 7:37 AM
Posted To: Cisco List
Conversation: [nsp] Subtending 6160 NI-2 DSLAM
Subject: [nsp] Subtending 6160 NI-2 DSLAM


Does anyone have a working set up subtending Cisco 6160 DSLAMS. We have
one 6160 now that is connected to a DS3, we want to subtend another 6160
so they can share the DS3. I am having trouble getting this to work.
Both have the NI-2 card and terminate to a 6400. Thanx James


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