MIB table data aggregation question

Hi all:

This is more like a SNMP design question. Currently, I
have developed net-snmp AgentX sub-agent which pulls
data from a set of application processes. There are
five TYPES of processes. Each type can have more than
one instances running. My MIB is a table which has a
composite key of process type and process ID. Each row
represents data from each running instance. For
example, assume there are 3 data columns and two types
of processes. The following table shows that there are
2 processes running  which are Type 1 and another 2
proceses running which are Type 2.
1, 345, 10, 20, 50
1, 346,  12, 40, 12
2, 347,  11, 23, 60
2, 358,  11, 22, 60

Question: How can I get the aggregate data? For
example, the query would be "give me the sum of
column1 values for all processes of type 1" (using the
above example, the result will be 10+12 = 22).
Can I implement aggegates at the SNMP level? Or is it
the client responsibility to do the aggregation? Is it
possible to extend my MIB to include another table
which stores aggregates only (in additon to the
existing table which stores individual values) and
then let the sub-agent handle the query of that second
table by the client?

Which MIBs for PPP?

RFC 1473 is pretty clear on its applicability:

   This document specifies the following group:

   The PPP IP Group

   The PPP IP Group contains configuration, status, and control
   variables that apply to the operation of IP over PPP.

   Implementation of this group is mandatory for all implementations
   of PPP that support IP over PPP.

But (earlier) it also says:

   The PPP MIB is organized into several MIB Groups, including, but not
   limited to, the following groups:

          o The PPP Link Group
          o The PPP LQR Group
          o The PPP LQR Extensions Group
          o The PPP IP Group
          o The PPP Bridge Group
          o The PPP Security Group

Without clear references to where those groups come from.  Since
PPP-IP-NCP-MIB imports ppp from PPP-LCP-MIB, I guess I need to at least
look at RFC1471.  I'm not so sure of the others.

I also found RFC 1317 which shows PPP in a protocol stack with RS-232
says:

just copmiled/installed latest version..min. config for snmptrapd.conf

No such MIB...

Sorry if this has been covered before, but I have looked through the
list archives and I guess I can't figure out how search this properly.

Anyway, I am probably missing something really obvious.

I have 2 servers that I am monitoring with SNMP.

One is running debian unstable and the other is debian stable.

servers: Blackstar & Redstar

blackstar:~# snmpd -v
NET-SNMP version:  5.2.1.2

blackstar:~# cat /etc/snmp/snmpd.conf
syscontact  "Root <andrew <at> logaan.com>"
syslocation  "File Server"
sysname Blackstar
sysservices 15
rocommunity  <password>     default
com2sec      readonly   default  <password>
group        RO_Group   usm   readonly
group        RO_Group   v1    readonly
group        RO_Group   v2c   readonly
view         all    included   .1
access  RO_Group   ""       any        noauth     exact  all     none   none

blackstar:~# snmpget -v2c -c<password> localhost diskIONRead.17
UCD-DISKIO-MIB::diskIONRead.17 = Counter32: 1307632128

redstar:/usr/share/snmp# snmpd -v
NET-SNMP version:  5.1.2

redstar:~# cat /etc/snmp/snmpd.conf
syscontact  "Root <andrew <at> logaan.com>"
syslocation  "DMZ Server"
sysname redstar
sysservices 15
rocommunity  <password>     default
com2sec      readonly   default    <password>
group        RO_Group   usm   readonly
group        RO_Group   v1    readonly
group        RO_Group   v2c   readonly
view         all    included   .1
access  RO_Group   ""       any        noauth     exact  all     none   none

blackstar:~# snmpget -v2c -c<password> redstar diskIONRead.17
UCD-DISKIO-MIB::diskIONRead.17 = No Such Object available on this agent
at this OID

When doing snmpwalk, I could not find the diskIONRead OID anywhere.  I
also checked the enterprise MIBs as well.

I found the diskIONRead and Write OIDs in the UCD-DISKIO-MIB.txt MIB
file in /usr/share/snmp/mibs/ directory on both servers but Redstar does
not repond to it.

Is this simply because this OID is not supported in version 5.1.2 or is
there something I am missing?  If more info is needed, let me know and I
can post it.

TIA,
Andrew

-------------------------------------------------------
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change key

how to test AES encryption against test.net-snmp.org server?

Hello,

I finally built net-snmp binaries on windows xp with platform SDK and
OpenSSL....

I am able to test the DES encryption with the following command against
test.net-snmp.org server (successfully):

snmpgetnext -v 3 -n "" -u MD5DESUser -a MD5 -A "The Net-SNMP Demo Password"
-x DES -X "The Net-SNMP Demo Password" -l authPriv test.net-snmp.org system

Before I go too far and start writing application, I would like to verify
the AES encryption.

Could some one please send me a command I can use against the
test.net-snmp.org server to verify AES support?

I tried changin MD5DESUser to MD5AESUser with "-x AES" but that only
returned 'Unknown User Name'.

Please help!

Thanks!

--daulat	

-------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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How do you get at a mib index?

RE: change key

Key instead of password

monitor & trap