[mrtg] Re: How to monitor traffic on Cisco 675 Routers

[Congdon, Christopher]

I don't know about tooBig error, but the two interfaces
are commented out because the maxbytes is 0.

I'm guessing the the first interface is Ethernet, so you'd probalby
want to set the maxbytes to 1250000 (if it is 10 MB/s Ethernet) and
uncomment it.

The second interface, I would guess is your connection to the 'Net
You should set the Maxbytes on that to whatever your download speed
divided by 8 is, and uncomment it as well. (Can you set different
MaxBytes for in and out??) What I notice as odd is that the second
interface didn't kick back an IP address (Either that or you
edited the file before sending it to the list...)

Also, remove completely the error from the .cfg file.

Christopher


-----Original Message-----
From: Nate Carlson [mailto:natecars at real-time.com]
Sent: Wednesday, March 08, 2000 11:41 AM
To: MRTG Mailing List
Subject: [mrtg] How to monitor traffic on Cisco 675 Routers


Has anyone figured out a way to monitor traffic utilization on a Cisco
675 ADSL router? Here's what I get when I try to run cfgmaker on one:

# Add a WorkDir: /some/path line to this file



######################################################################
# Description: Cisco 675 
#     Contact: Not Assigned 
# System Name: Cisco675 
#    Location: Austin Texas 
#.....................................................................
SNMP Error:
Received SNMP response with error code
  error status: tooBig
  index 1 (OID: 1.3.6.1.2.1.2.2.1.1.2)
SNMPv1_Session (remote host: "cisco675" [192.168.252.50].161
                  community: "public"
                 request ID: 1724802235
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
########
######## This Interface is one of the following
######## - administratively not UP
######## - it is in test mode
######## - it is a softwareLoopback interface
######## - has a unrealistic speed setting
######## It is commented out for this reason.
########
# 
# Target[cisco675.castle.real-time.com]: 1:public at cisco675
# MaxBytes[cisco675.castle.real-time.com]: 0
# Title[cisco675.castle.real-time.com]: Cisco675
(cisco675.castle.real-time.com
): D100 Ethernet Driver
# PageTop[cisco675.castle.real-time.com]: <H1>Traffic Analysis for D100
Ethernet                                                        Driver
#  </H1>
#  <TABLE>
#    <TR><TD>System:</TD><TD>Cisco675  in Austin Texas </TD></TR>
#    <TR><TD>Maintainer:</TD><TD>Not Assigned </TD></TR>
#    <TR><TD>Interface:</TD><TD>D100 Ethernet Driver (1)</TD></TR>
#    <TR><TD>IP:</TD><TD>cisco675.castle.real-time.com
(192.168.252.50)</TD></TR
>
#    <TR><TD>Max Speed:</TD>
#        <TD>0.0 Bytes/s (iso88023Csmacd)</TD></TR>
#   </TABLE>
# 
#---------------------------------------------------------------
########
######## This Interface is one of the following
######## - administratively not UP
######## - it is in test mode
######## - it is a softwareLoopback interface
######## - has a unrealistic speed setting
######## It is commented out for this reason.
########
# 
# Target[cisco675.2]: 2:public at cisco675
# MaxBytes[cisco675.2]: 0
# Title[cisco675.2]: Cisco675  (No hostname defined for IP address): PPP
Driver
# PageTop[cisco675.2]: <H1>Traffic Analysis for PPP Driver
#  </H1>
#  <TABLE>
#    <TR><TD>System:</TD><TD>Cisco675  in Austin Texas </TD></TR>
#    <TR><TD>Maintainer:</TD><TD>Not Assigned </TD></TR>
#    <TR><TD>Interface:</TD><TD>PPP Driver (2)</TD></TR>
#    <TR><TD>IP:</TD><TD>No hostname defined for IP address
(0.0.0.0)</TD></TR>
#    <TR><TD>Max Speed:</TD>
#        <TD>0.0 Bytes/s (ppp)</TD></TR>
#   </TABLE>
# 
#---------------------------------------------------------------


This router is running CBOS 2.2, which is the newest. Is the 'tooBig'
error status coming from the router or snmpwalk? (I'm kind of new to
SNMP..)    Thanks!

-- 
Nate Carlson <natecars at real-time.com>   | Phone : (612)943-8700
http://www.real-time.com                | Fax   : (612)943-8500

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