[c-nsp] atm ds3 to a cisco 7200 for adsl aggregation

[Robert Boyle]

At 01:36 AM 7/9/2005, you wrote:

>im trying to get an atm ds3 from bellsouth turned up on a cisco 7206 with
>a pa-t3 card and not having much luck.  ive searched through the list
>archives and tried pieces of configs from different folks but no go.

Do you mean a PA-A3-T3 card? A PA-T3 won't work at all. However, you do 
list your config as ATM4/0 so I'm just making sure...

You also need a subinterface (or subinterfaces) with your IP and PVC info 
and mapping. Are you doing bridging or PPPoE or PPPoA? For example, if you 
are using VPDN to do PPPoE, you would have something like this:

interface ATM1/0.1 multipoint
   range pvc 1/301 1/360
   ubr 10000
   encapsulation aal5snap
   protocol pppoe

If you have direct PVCs then your config will look more like this:

interface ATM1/0.240 point-to-point
  ip address 1.2.3.4 255.255.255.252
  no ip redirects
  no ip unreachables
  no ip proxy-arp
  no ip mroute-cache
  pvc 6/33
   vbr-nrt 11792 11792
   encapsulation aal5snap

I hope this helps you.

-Robert

>my subscriber has a link and the bellsouth tech's can see the modem
>
>my interface on my router shows up/up but all i see is input and no output
>and most of the input is errors.
>
>the router is connected to a ds3 that is fed off a lucent metropolis dmx
>oc12 shelf.  the atm switch is a lucent cbx.  if i loop up my interface,
>the lucent cbx can see the loop and a loop on the oc12 will show up on the
>cbx.
>
>bell is telling me im missing something in my config but wont/cant tell me
>what and im at a loss. could anyone suggest anything?
>
>my atm config is
>interface ATM4/0
>  description DS3_ATM
>  no ip address
>  ip route-cache flow
>  no ip mroute-cache
>  atm clock INTERNAL
>  atm scrambling cell-payload
>  atm framing cbitplcp
>  atm uni-version 4.0
>  no atm auto-configuration
>  no atm ilmi-keepalive
>  no atm address-registration
>  no atm ilmi-enable
>
>ive tried different framing (cbitadm, m23plcp & m23adm), different
>uni-version, no scrambling, scrambling, clock internal and clock line - no
>go on any of them.
>
>Interface ATM4/0:
>AAL enabled:  AAL5 , Maximum VCs: 4095, Current VCCs: 5
>
>Maximum Transmit Channels: 0
>Max. Datagram Size: 4528
>PLIM Type: DS3 - 45000Kbps, Framing is C-bit PLCP,
>DS3 lbo: short, TX clocking: INTERNAL
>Cell-payload scrambling: ON
>33 input, 0 output, 0 IN fast, 0 OUT fast, 0 out drop
>  Avail bw = 45000
>Config. is ACTIVE
>
>ATM4/0 is up, line protocol is up
>   Hardware is ENHANCED ATM PA
>   Description: DS3_ATM
>   MTU 4470 bytes, sub MTU 4470, BW 40704 Kbit, DLY 190 usec,
>      reliability 234/255, txload 1/255, rxload 1/255
>   Encapsulation ATM, loopback not set
>   Encapsulation(s): AAL5
>   4095 maximum active VCs, 5 current VCCs
>   VC idle disconnect time: 300 seconds
>   0 carrier transitions
>   Last input 00:00:01, output 03:12:25, output hang never
>   Last clearing of "show interface" counters 00:04:35
>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>   Queueing strategy: Per VC Queueing
>   5 minute input rate 0 bits/sec, 0 packets/sec
>   5 minute output rate 0 bits/sec, 0 packets/sec
>      37 packets input, 5883 bytes, 0 no buffer
>      Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
>      88 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
>      0 packets output, 0 bytes, 0 underruns
>      0 output errors, 0 collisions, 0 interface resets
>      0 output buffer failures, 0 output buffers swapped out
>
>--
>Chad Whitten
>
>
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