[mrtg] Re: MRTG and Cisco AS5400: DS0s usage per single DS1?
Jerry Heidtke
jheidtke at fmlh.edu
Thu May 8 16:06:17 MEST 2003
Depends on what kind of input errors you want to track.
On our box, the T1s show up as interfaces 66 and 67. These instances
don't show up in any of the tables you'd normally look at for IF errors.
Each DS0 does show up, in a couple different ways.
Interfaces 1 to 60 are ppp interfaces that can be tracked normally with
mrtg for octets in and out, errors in and out, etc.
61 and 62 are fast ethernet. 63 and 64 are high-speed serial. 65 is
null, 66 and 67 are T1s. No traffic is recorded on the T1s in the
standard interface OIDs.
The instances for the T1s don't appear in Cisco's local.linterfaces
table. All the DS0s show up, so you can get a lot of stats from this
table.
Each DS0 shows up a couple times in the interfaces table, and has octets
in and out and errors in and out. You could retrieve the stats for each
DS0 and add up all the numbers for each DS1.
Under the transmission branch, the isdn mib has some stats, like framing
errors on the D-channels, and the ds1 or rs232 mib might have something
you could use. There are statistics for a lot of different kinds of
errors in these tables. You just have to decide what is worthwhile
keeping track of.
You'll need a mib browser with the right mib files to explore these
areas.
Jerry
-----Original Message-----
From: enzo desanto [mailto:eds_eds_88 at yahoo.it]
Sent: Thursday, May 08, 2003 7:19 AM
To: Jerry Heidtke
Cc: mrtg at list.ee.ethz.ch
Subject: Re: [mrtg] Re: MRTG and Cisco AS5400: DS0s usage per
single DS1?
Hi Jerry,
Thank you very much for your suggestions. I had a try last night
and the OID's work fine within the mrtg conf file (don't work with
snmpget/snmpwalk but I don't even want to wonder why).
By the way, do you happen to know if there's an OID to get input
errors per DS1 (or eventually for all DS0s) ?
cheers
/ed
Jerry Heidtke <jheidtke at fmlh.edu> wrote:
The following OID returns the total active DS0s for the
whole chassis:
.1.3.6.1.4.1.9.10.19.1.1.4.0
So, if you wanted the total for all cards, just use:
Target[as5400_DSO_in_use]:
.1.3.6.1.4.1.9.10.19.1.1.4.0&.1.3.6.1.4.1.9.10.19.1.1.4.0:comm at host
On the AS5350 I'm monitoring, with 2 T1 PRI interfaces,
the OIDs for
active DSOs on each card are:
.1.3.6.1.4.1.9.10.19.1.1.9.1.3.3.0
.1.3.6.1.4.1.9.10.19.1.1.9.1.3.3.1
The last two numbers in the OID are based on slot and
port, each
starting at 0, not from 1. From this, you can construct
your OIDs. The
first PRI of slot 1 (the second slot) would be
.1.3.6.1.4.1.9.10.19.1.1.9.1.3.1.0
To graph the active DSOs on both ports of a card in slot
1, use
something like this:
Target[as5400_DSO_1_in_use]:
.1.3.6.1.4.1.9.10.19.1.1.9.1.3.1.0&.1.3.6.1.4.1.9.10.19.1.1.9.1.3.1.1:co
mm at host
To change the slot being monitored on a single graph,
change the next to
last number in each OID. Don't forget to change the
target name!
Our AS5350 is running IOS 12.2(2)XA5, so yours should
support the same
OIDs. If you are doing an snmpwalk from the a specific
instance OID, you
might get the error message you see. You need to do an
snmpget.
Jerry
-----Original Message-----
From: enzo desanto [mailto:eds_eds_88 at yahoo.it]
Sent: Tuesday, May 06, 2003 8:58 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] MRTG and Cisco AS5400: DS0s usage per
single DS1?
Hi all,
I'm pretty new to MRTG and wanted to graph number of
DS0's active per
single DS1 on a Cisco AS5400 with 16 E1 PRI interfaces.
I tried to use the cisco-pop-mgmt mib but I could not
get a
single value for each DS1. I got the closest result (I
run snmpwalk to
see
the values) by using the following OID:
1.3.6.1.4.1.9.10.19.1.1.9.1.3.1
But this OID returns a table with the number of DS0s
active for all DS1
in slot 1 (8 PRI).
And when I try to use a more specific OID such as:
1.3.6.1.4.1.9.10.19.1.1.9.1.3.1.1 which "in theory"
should return one
single value (Active DS0s of 1st PRI of the slot 1), I
get this
response:
"no MIB objects contained under subtree".
I use this IOS: c5400-is-mz.122-2.XB6.bin, which should
fully support
the
pop-mgmt MIB according to Cisco.
What's wrong? Am I using a wrong OID?Can anybody help me
to find a
solution or a work-around? Actually I thought to graph
in some way all
the table I mentioned above, but how do you write a mrtg
config file to
graph a SNMP OID table result?Please help! :-)
/Ed
eds_eds_88 at yahoo.it
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