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Cheshire Cat Computing • View topic - Graphs not updating

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 Post subject: Graphs not updating
PostPosted: Fri Sep 10, 2004 5:03 am 
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Joined: Fri Sep 10, 2004 4:07 am
Posts: 22
I just installed Open Inovation's MRTG Bundle on Windows. I added my Cisco 2600 series routers to the my routers.txt file and created the .cfg files. Those routers that have only two interfaces, fast ethernet and serial 0/0 are reporting data properly. One router has four interfaces, fast ethernet and serial 0/0 report data, serial 0/1:0 and serial 0/2:0 do not. I have tried uncommenting portions of the .cfg file, that allowed me to display the graphs for the serial 0/1:0 and serial 0/2:0 but I cannot figure out how to get the graphs to update.


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PostPosted: Fri Sep 10, 2004 10:08 am 
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Joined: Tue Jul 29, 2003 11:42 am
Posts: 3039
Location: Auckland, New Zealand

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Steve Shipway
UNIX Systems, ITSS, University of Auckland, NZ
Woe unto them that rise up early in the morning... -- Isaiah 5:11


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PostPosted: Sat Sep 11, 2004 5:18 am 
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Joined: Fri Sep 10, 2004 4:07 am
Posts: 22
The first two graphs on the router are reporting data, so I MRTG is working and updating the RRD files. The problem is in crafting a .cfg file for the VWIC-2MFT-T1 card that occupies the second slot on the router.

Attached is the portion of the .cfg file where I am experiencing the problem.

### Interface 3 >> Descr: 'Null0' | Name: 'Nu0' | Ip: '' | Eth: '' ###
### The following interface is commented out because:
### * it is a cisco Null0 interface
#
#Target[172.18.1.20_Nu0]: #Nu0:public@172.18.1.20:
#SetEnv[172.18.1.20_Nu0]: MRTG_INT_IP="" MRTG_INT_DESCR="Null0"
#MaxBytes[172.18.1.20_Nu0]: 536870911
#Title[172.18.1.20_Nu0]: #Nu0 -- 2650main
#PageTop[172.18.1.20_Nu0]: <H1>#Nu0 -- 2650main</H1>
# <TABLE>
# <TR><TD>System:</TD> <TD>2650main </TD></TR>
# <TR><TD>Maintainer:</TD> <TD></TD></TR>
# <TR><TD>Description:</TD><TD>Null0 </TD></TR>
# <TR><TD>ifType:</TD> <TD>Other (1)</TD></TR>
# <TR><TD>ifName:</TD> <TD>Nu0</TD></TR>
# <TR><TD>Max Speed:</TD> <TD>4295.0 Mbits/s</TD></TR>
# </TABLE>


### Interface 4 >> Descr: 'T1-0/1' | Name: 'T1 0/1' | Ip: '172.19.2.24' | Eth: '' ###
### The following interface is commented out because:
### * it is a DS1 controllers
### * got 'Received SNMP response with error code
### error status: noSuchName
### index 1 (OID: 1.3.6.1.2.1.2.2.1.1)
### SNMPv1_Session (remote host: "172.18.1.20" [172.18.1.20].161)
### community: "public"
### request ID: -293281444
### PDU bufsize: 8000 bytes
### timeout: 2s
### retries: 5
### backoff: 1)' from interface when trying to query
#
Target[172.18.1.20_T1_0_1]: #T1\ 0/1:public@172.18.1.20:
SetEnv[172.18.1.20_T1_0_1]: MRTG_INT_IP="" MRTG_INT_DESCR="T1-0/1"
MaxBytes[172.18.1.20_T1_0_1]: 193000
Title[172.18.1.20_T1_0_1]: #T1 0/1 -- 2650main
PageTop[172.18.1.20_T1_0_1]: <H1>#T1 0/1 -- 2650main</H1>
<TABLE>
<TR><TD>System:</TD> <TD>2650main </TD></TR>
<TR><TD>Maintainer:</TD> <TD></TD></TR>
<TR><TD>Description:</TD><TD>T1-0/1 </TD></TR>
<TR><TD>ifType:</TD> <TD>ds1 (18)</TD></TR>
<TR><TD>ifName:</TD> <TD>T1 0/1</TD></TR>
<TR><TD>Max Speed:</TD> <TD>1544.0 kbits/s</TD></TR>
</TABLE>


### Interface 5 >> Descr: 'T1-0/2' | Name: 'T1 0/2' | Ip: '172.21.2.24' | Eth: '' ###
### The following interface is commented out because:
### * it is a DS1 controllers
### * got 'Received SNMP response with error code
### error status: noSuchName
### index 1 (OID: 1.3.6.1.2.1.2.2.1.1)
### SNMPv1_Session (remote host: "172.18.1.20" [172.18.1.20].161)
### community: "public"
### request ID: -293281443
### PDU bufsize: 8000 bytes
### timeout: 2s
### retries: 5
### backoff: 1)' from interface when trying to query
#
Target[172.18.1.20_T1_0_2]: #T1\ 0/2:public@172.18.1.20:
SetEnv[172.18.1.20_T1_0_2]: MRTG_INT_IP="" MRTG_INT_DESCR="T1-0/2"
MaxBytes[172.18.1.20_T1_0_2]: 193000
Title[172.18.1.20_T1_0_2]: #T1 0/2 -- 2650main
PageTop[172.18.1.20_T1_0_2]: <H1>#T1 0/2 -- 2650main</H1>
<TABLE>
<TR><TD>System:</TD> <TD>2650main </TD></TR>
<TR><TD>Maintainer:</TD> <TD></TD></TR>
<TR><TD>Description:</TD><TD>T1-0/2 </TD></TR>
<TR><TD>ifType:</TD> <TD>ds1 (18)</TD></TR>
<TR><TD>ifName:</TD> <TD>T1 0/2</TD></TR>
<TR><TD>Max Speed:</TD> <TD>1544.0 kbits/s</TD></TR>
</TABLE>


### Interface 6 >> Descr: 'Serial0/1:0' | Name: 'Se0/1:0' | Ip: '172.19.2.24' | Eth: '' ###

Target[172.18.1.20_Se0_1_0]: #Se0/1\\:0:public@172.18.1.20:
SetEnv[172.18.1.20_Se0_1_0]: MRTG_INT_IP="172.19.2.24" MRTG_INT_DESCR="Serial0/1:0"
MaxBytes[172.18.1.20_Se0_1_0]: 192000
Title[172.18.1.20_Se0_1_0]: #Se0/1:0 -- 2650main
PageTop[172.18.1.20_Se0_1_0]: <H1>#Se0/1:0 -- 2650main</H1>
<TABLE>
<TR><TD>System:</TD> <TD>2650main </TD></TR>
<TR><TD>Maintainer:</TD> <TD></TD></TR>
<TR><TD>Description:</TD><TD>Serial0/1:0 </TD></TR>
<TR><TD>ifType:</TD> <TD>ppp (23)</TD></TR>
<TR><TD>ifName:</TD> <TD>Se0/1:0</TD></TR>
<TR><TD>Max Speed:</TD> <TD>1536.0 kbits/s</TD></TR>
<TR><TD>Ip:</TD> <TD>172.19.2.24 ()</TD></TR>
</TABLE>


### Interface 7 >> Descr: 'Serial0/2:0' | Name: 'Se0/2:0' | Ip: '172.21.2.24' | Eth: '' ###

Target[172.18.1.20_Se0_2_0]: #Se0/2\\:0:public@172.18.1.20:
SetEnv[172.18.1.20_Se0_2_0]: MRTG_INT_IP="172.21.2.24" MRTG_INT_DESCR="Serial0/2:0"
MaxBytes[172.18.1.20_Se0_2_0]: 192000
Title[172.18.1.20_Se0_2_0]: #Se0/2:0 -- 2650main
PageTop[172.18.1.20_Se0_2_0]: <H1>#Se0/2:0 -- 2650main</H1>
<TABLE>
<TR><TD>System:</TD> <TD>2650main </TD></TR>
<TR><TD>Maintainer:</TD> <TD></TD></TR>
<TR><TD>Description:</TD><TD>Serial0/2:0 </TD></TR>
<TR><TD>ifType:</TD> <TD>ppp (23)</TD></TR>
<TR><TD>ifName:</TD> <TD>Se0/2:0</TD></TR>
<TR><TD>Max Speed:</TD> <TD>1536.0 kbits/s</TD></TR>
<TR><TD>Ip:</TD> <TD>172.21.2.24 ()</TD></TR>
</TABLE>


When I un-comment these interfaces, the graphs are created, but the data is not updated.


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 Post subject:
PostPosted: Sat Sep 11, 2004 3:50 pm 
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Joined: Tue Jul 29, 2003 11:42 am
Posts: 3039
Location: Auckland, New Zealand
Dont forget you need to collect data for about 10 minutes before the graphs will start updating (depending on your xff setting in the rrd file).

You don't say if the MRTG process is producing any output (eg error messages). Usually, MRTG will produce useful output if it is failing to update a rrd for any reason. Run it interactively, or trap the stdout/stderr output to look at.

Try snmpwalk'ing the device in question to make sure the thing you are asking for actually exists, and has the correct name. These seem to have some backstrokes in them, so it might confuse MRTG a bit.

_________________
Steve Shipway
UNIX Systems, ITSS, University of Auckland, NZ
Woe unto them that rise up early in the morning... -- Isaiah 5:11


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