[mrtg] Re: Using mrtg with cisco and subinterfaces?

[Shipley, Rob]

That is correct. It is explained at
http://www.cisco.com/warp/public/121/pvc_utiliz.html &
http://www.cisco.com/warp/public/121/atm_netmngt.html.
Basically you can't collect traffic stats for ATM subinterfaces. If you walk
the ifTable(1.3.6.1.2.1.2.2) you will notice this. This is fine. You can
monitor the aal5 layer. This should work for you. 
In addition, I add 10% traffic for the cell header because I use customized
scripts. I'm not sure if 14all or MRTG accounts for this. If interested,
I'll send you the script I use to account for cell headers.

-----Original Message-----
From: magnus.hammarwall at spray.se [mailto:magnus.hammarwall at spray.se]
Sent: Thursday, May 23, 2002 4:43 AM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Using mrtg with cisco and subinterfaces?



I am setting up an mrtg server to monitor a number of different
subinterfaces on a cisco router. I am able to get the main
interfaces ust fine but when it sees the sub interfaces it get these
errors and it wont' display them. Below is the error message.

### Interface 10 >> Descr: 'ATM1/0/0.0-atm subif' | Name: '' | Ip: '' | Eth:
'' ###
### The following interface is commented out because:
### * got 'Received SNMP response with error code
###       error status: noSuchName
###       index 1 (OID: 1.3.6.1.2.1.2.2.1.10.10)
###     SNMPv1_Session (remote host: "GBG2-CORE.swip.net"
[130.244.0.21].161)
###                       community: "public"
###                      request ID: -1925919556
###                     PDU bufsize: 8000 bytes
###                         timeout: 2s
###                         retries: 5
###                         backoff: 1)' from interface when trying to query
#
# Target[GBG2-CORE.swip.net_ATM1_0_0.0-atm_subif]: \ATM1/0/0.0-atm\
subif:public at GBG2-CORE.swip.net:
# SetEnv[GBG2-CORE.swip.net_ATM1_0_0.0-atm_subif]: MRTG_INT_IP=""
MRTG_INT_DESCR="ATM1/0/0.0-atm subif"
# MaxBytes[GBG2-CORE.swip.net_ATM1_0_0.0-atm_subif]: 18720000
# Title[GBG2-CORE.swip.net_ATM1_0_0.0-atm_subif]: Traffic Analysis for
ATM1/0/0.0-atm subif -- GBG2-CORE.swip.net
# PageTop[GBG2-CORE.swip.net_ATM1_0_0.0-atm_subif]: <H1>Traffic Analysis for
ATM1/0/0.0-atm subif -- GBG2-CORE.swip.net</H1>
#  <TABLE>
#    <TR><TD>System:</TD>     <TD>GBG2-CORE.swip.net in </TD></TR>
#    <TR><TD>Maintainer:</TD> <TD></TD></TR>
#    <TR><TD>Description:</TD><TD>ATM1/0/0.0-atm subif link to GBG-LS1010-1
port ATM0/0/1 </TD></TR>
#    <TR><TD>ifType:</TD>     <TD>ATM Sub Interface (134)</TD></TR>
#    <TR><TD>ifName:</TD>     <TD></TD></TR>
#    <TR><TD>Max Speed:</TD>  <TD>149.8 Mbits/s</TD></TR>
#  </TABLE>

If anybody has any clues
as to what might be going on here please let me know. It seems that this
is only happenening on the subinterfaces of the router itself.




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