What is this?

This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general. You are invited to get involved by asking and answering questions!

Learn more

PRTG Network Monitor

Intuitive to Use. Easy to manage.
300.000 administrators have chosen PRTG to monitor their network. Find out how you can reduce cost, increase QoS and ease planning, as well.

Free Download

Top Tags


View all Tags

Interface traffic monitoring on a Meraki MX65

Votes:

0

Your Vote:

Up

Down

Doing a trial of PRTG.

Trying to get the traffic in WAN1 on a Meraki MX65 - got results from the device, SNMP is working but I do not seem to be able to get the traffic through.

Table OID 1.3.6.1.2.1.2.2 seems to be getting close to what I need...

Has anyone been able to do this, if so, how?

Thanks in advance,

Wayne

meraki mx65 snmp

Created on Jul 10, 2018 4:30:24 AM by  prtgwolk (0) 1



6 Replies

Votes:

0

Your Vote:

Up

Down

Hello Wayne,

Thank you very much for your contact.

Just to check, did you already reviewed the following article of our knowledge base:
Help monitoring Meraki network

It also contains templates and a step-by-step description on how to monitor the device's traffic.

Best regards,
Sebastian

Created on Jul 10, 2018 10:24:26 AM by  Sebastian Kniege [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Hi Sebastian

Yeah, but I am a little stupid and cannot get the result I need. That seems to be specific to WAP's?

Cheers

Wayne

Created on Jul 10, 2018 11:12:34 PM by  prtgwolk (0) 1



Votes:

0

Your Vote:

Up

Down

Hello Wayne,

Thank you very much for your response.

Please allow us to review the SNMP results provided by your device, for this we'll need you to download our latest SNMP Tester, run it on the PRTG Host (or host of the Remote Probe), and perform a Walk using the OID value "1.3.6.1.2.1.2.2" against the target device.
Kindly configure the Device's IP/Port and SNMP Credentials accordingly. Please post the result from the Tester.

Best regards,
Sebastian

Created on Jul 11, 2018 7:25:56 AM by  Sebastian Kniege [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Hi Sebastian

I downloaded the SNMP tester last week, here are the results:

Paessler SNMP Tester 5.2.3 Computername: BOB Interface: 192.168.x.y 12/07/2018 9:46:40 AM (2 ms) : Device: a.b.c.d 12/07/2018 9:46:40 AM (4 ms) : SNMP V2c 12/07/2018 9:46:40 AM (5 ms) : Walk 1.3.6.1.2.1.2.2 12/07/2018 9:46:40 AM (26 ms) : 1.3.6.1.2.1.2.2.1.1.1 = "1" [ASN_INTEGER] 12/07/2018 9:46:40 AM (36 ms) : 1.3.6.1.2.1.2.2.1.1.2 = "2" [ASN_INTEGER] 12/07/2018 9:46:40 AM (45 ms) : 1.3.6.1.2.1.2.2.1.1.3 = "3" [ASN_INTEGER] 12/07/2018 9:46:40 AM (54 ms) : 1.3.6.1.2.1.2.2.1.1.4 = "4" [ASN_INTEGER] 12/07/2018 9:46:40 AM (63 ms) : 1.3.6.1.2.1.2.2.1.1.5 = "5" [ASN_INTEGER] 12/07/2018 9:46:41 AM (82 ms) : 1.3.6.1.2.1.2.2.1.1.6 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (95 ms) : 1.3.6.1.2.1.2.2.1.1.7 = "7" [ASN_INTEGER] 12/07/2018 9:46:41 AM (106 ms) : 1.3.6.1.2.1.2.2.1.1.8 = "8" [ASN_INTEGER] 12/07/2018 9:46:41 AM (124 ms) : 1.3.6.1.2.1.2.2.1.1.9 = "9" [ASN_INTEGER] 12/07/2018 9:46:41 AM (143 ms) : 1.3.6.1.2.1.2.2.1.1.10 = "10" [ASN_INTEGER] 12/07/2018 9:46:41 AM (163 ms) : 1.3.6.1.2.1.2.2.1.1.11 = "11" [ASN_INTEGER] 12/07/2018 9:46:41 AM (180 ms) : 1.3.6.1.2.1.2.2.1.1.12 = "12" [ASN_INTEGER] 12/07/2018 9:46:41 AM (199 ms) : 1.3.6.1.2.1.2.2.1.2.1 = "port1" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (217 ms) : 1.3.6.1.2.1.2.2.1.2.2 = "port2" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (241 ms) : 1.3.6.1.2.1.2.2.1.2.3 = "port3" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (259 ms) : 1.3.6.1.2.1.2.2.1.2.4 = "port4" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (292 ms) : 1.3.6.1.2.1.2.2.1.2.5 = "port5" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (309 ms) : 1.3.6.1.2.1.2.2.1.2.6 = "port6" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (331 ms) : 1.3.6.1.2.1.2.2.1.2.7 = "port7" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (348 ms) : 1.3.6.1.2.1.2.2.1.2.8 = "port8" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (370 ms) : 1.3.6.1.2.1.2.2.1.2.9 = "port9" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (389 ms) : 1.3.6.1.2.1.2.2.1.2.10 = "port10" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (409 ms) : 1.3.6.1.2.1.2.2.1.2.11 = "port11" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (427 ms) : 1.3.6.1.2.1.2.2.1.2.12 = "port12" [ASN_OCTET_STR] 12/07/2018 9:46:41 AM (446 ms) : 1.3.6.1.2.1.2.2.1.3.1 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (462 ms) : 1.3.6.1.2.1.2.2.1.3.2 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (483 ms) : 1.3.6.1.2.1.2.2.1.3.3 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (493 ms) : 1.3.6.1.2.1.2.2.1.3.4 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (514 ms) : 1.3.6.1.2.1.2.2.1.3.5 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (541 ms) : 1.3.6.1.2.1.2.2.1.3.6 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (592 ms) : 1.3.6.1.2.1.2.2.1.3.7 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (612 ms) : 1.3.6.1.2.1.2.2.1.3.8 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (629 ms) : 1.3.6.1.2.1.2.2.1.3.9 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (644 ms) : 1.3.6.1.2.1.2.2.1.3.10 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (662 ms) : 1.3.6.1.2.1.2.2.1.3.11 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (676 ms) : 1.3.6.1.2.1.2.2.1.3.12 = "6" [ASN_INTEGER] 12/07/2018 9:46:41 AM (690 ms) : 1.3.6.1.2.1.2.2.1.4.1 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (704 ms) : 1.3.6.1.2.1.2.2.1.4.2 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (718 ms) : 1.3.6.1.2.1.2.2.1.4.3 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (732 ms) : 1.3.6.1.2.1.2.2.1.4.4 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (746 ms) : 1.3.6.1.2.1.2.2.1.4.5 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (761 ms) : 1.3.6.1.2.1.2.2.1.4.6 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (775 ms) : 1.3.6.1.2.1.2.2.1.4.7 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (790 ms) : 1.3.6.1.2.1.2.2.1.4.8 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (809 ms) : 1.3.6.1.2.1.2.2.1.4.9 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (832 ms) : 1.3.6.1.2.1.2.2.1.4.10 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (846 ms) : 1.3.6.1.2.1.2.2.1.4.11 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (860 ms) : 1.3.6.1.2.1.2.2.1.4.12 = "-1" [ASN_INTEGER] 12/07/2018 9:46:41 AM (874 ms) : 1.3.6.1.2.1.2.2.1.5.1 = "100000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (888 ms) : 1.3.6.1.2.1.2.2.1.5.2 = "1000000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (903 ms) : 1.3.6.1.2.1.2.2.1.5.3 = "1000000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (929 ms) : 1.3.6.1.2.1.2.2.1.5.4 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (945 ms) : 1.3.6.1.2.1.2.2.1.5.5 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (965 ms) : 1.3.6.1.2.1.2.2.1.5.6 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (980 ms) : 1.3.6.1.2.1.2.2.1.5.7 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (996 ms) : 1.3.6.1.2.1.2.2.1.5.8 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (1015 ms) : 1.3.6.1.2.1.2.2.1.5.9 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (1029 ms) : 1.3.6.1.2.1.2.2.1.5.10 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (1043 ms) : 1.3.6.1.2.1.2.2.1.5.11 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:41 AM (1064 ms) : 1.3.6.1.2.1.2.2.1.5.12 = "10000000" [ASN_UNSIGNED] 12/07/2018 9:46:42 AM (1093 ms) : 1.3.6.1.2.1.2.2.1.6.1 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1130 ms) : 1.3.6.1.2.1.2.2.1.6.2 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1153 ms) : 1.3.6.1.2.1.2.2.1.6.3 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1180 ms) : 1.3.6.1.2.1.2.2.1.6.4 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1206 ms) : 1.3.6.1.2.1.2.2.1.6.5 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1231 ms) : 1.3.6.1.2.1.2.2.1.6.6 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1257 ms) : 1.3.6.1.2.1.2.2.1.6.7 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1286 ms) : 1.3.6.1.2.1.2.2.1.6.8 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1307 ms) : 1.3.6.1.2.1.2.2.1.6.9 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1331 ms) : 1.3.6.1.2.1.2.2.1.6.10 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1356 ms) : 1.3.6.1.2.1.2.2.1.6.11 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1377 ms) : 1.3.6.1.2.1.2.2.1.6.12 = "à˼¿â" [ASN_OCTET_STR] 12/07/2018 9:46:42 AM (1406 ms) : 1.3.6.1.2.1.2.2.1.7.1 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1430 ms) : 1.3.6.1.2.1.2.2.1.7.2 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1455 ms) : 1.3.6.1.2.1.2.2.1.7.3 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1489 ms) : 1.3.6.1.2.1.2.2.1.7.4 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1515 ms) : 1.3.6.1.2.1.2.2.1.7.5 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1543 ms) : 1.3.6.1.2.1.2.2.1.7.6 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1576 ms) : 1.3.6.1.2.1.2.2.1.7.7 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1609 ms) : 1.3.6.1.2.1.2.2.1.7.8 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1638 ms) : 1.3.6.1.2.1.2.2.1.7.9 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1665 ms) : 1.3.6.1.2.1.2.2.1.7.10 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1689 ms) : 1.3.6.1.2.1.2.2.1.7.11 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1717 ms) : 1.3.6.1.2.1.2.2.1.7.12 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1746 ms) : 1.3.6.1.2.1.2.2.1.8.1 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1787 ms) : 1.3.6.1.2.1.2.2.1.8.2 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1810 ms) : 1.3.6.1.2.1.2.2.1.8.3 = "1" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1841 ms) : 1.3.6.1.2.1.2.2.1.8.4 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1870 ms) : 1.3.6.1.2.1.2.2.1.8.5 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1897 ms) : 1.3.6.1.2.1.2.2.1.8.6 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1931 ms) : 1.3.6.1.2.1.2.2.1.8.7 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1961 ms) : 1.3.6.1.2.1.2.2.1.8.8 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (1990 ms) : 1.3.6.1.2.1.2.2.1.8.9 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (2016 ms) : 1.3.6.1.2.1.2.2.1.8.10 = "2" [ASN_INTEGER] 12/07/2018 9:46:42 AM (2038 ms) : 1.3.6.1.2.1.2.2.1.8.11 = "2" [ASN_INTEGER] 12/07/2018 9:46:43 AM (2075 ms) : 1.3.6.1.2.1.2.2.1.8.12 = "2" [ASN_INTEGER] 12/07/2018 9:46:43 AM (2097 ms) : 1.3.6.1.2.1.2.2.1.9.1 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2118 ms) : 1.3.6.1.2.1.2.2.1.9.2 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2146 ms) : 1.3.6.1.2.1.2.2.1.9.3 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2170 ms) : 1.3.6.1.2.1.2.2.1.9.4 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2196 ms) : 1.3.6.1.2.1.2.2.1.9.5 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2218 ms) : 1.3.6.1.2.1.2.2.1.9.6 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2253 ms) : 1.3.6.1.2.1.2.2.1.9.7 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2275 ms) : 1.3.6.1.2.1.2.2.1.9.8 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2300 ms) : 1.3.6.1.2.1.2.2.1.9.9 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2333 ms) : 1.3.6.1.2.1.2.2.1.9.10 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2355 ms) : 1.3.6.1.2.1.2.2.1.9.11 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2382 ms) : 1.3.6.1.2.1.2.2.1.9.12 = "0" [ASN_TIMETICKS] 12/07/2018 9:46:43 AM (2418 ms) : 1.3.6.1.2.1.2.2.1.10.1 = "3534993217" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2440 ms) : 1.3.6.1.2.1.2.2.1.10.2 = "136967931" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2463 ms) : 1.3.6.1.2.1.2.2.1.10.3 = "97875066" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2487 ms) : 1.3.6.1.2.1.2.2.1.10.4 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2520 ms) : 1.3.6.1.2.1.2.2.1.10.5 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2545 ms) : 1.3.6.1.2.1.2.2.1.10.6 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2569 ms) : 1.3.6.1.2.1.2.2.1.10.7 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2599 ms) : 1.3.6.1.2.1.2.2.1.10.8 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2627 ms) : 1.3.6.1.2.1.2.2.1.10.9 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2649 ms) : 1.3.6.1.2.1.2.2.1.10.10 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2679 ms) : 1.3.6.1.2.1.2.2.1.10.11 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2709 ms) : 1.3.6.1.2.1.2.2.1.10.12 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2733 ms) : 1.3.6.1.2.1.2.2.1.11.1 = "1158785790" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2756 ms) : 1.3.6.1.2.1.2.2.1.11.2 = "2062975282" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2789 ms) : 1.3.6.1.2.1.2.2.1.11.3 = "66269371" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2812 ms) : 1.3.6.1.2.1.2.2.1.11.4 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2837 ms) : 1.3.6.1.2.1.2.2.1.11.5 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2864 ms) : 1.3.6.1.2.1.2.2.1.11.6 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2887 ms) : 1.3.6.1.2.1.2.2.1.11.7 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2914 ms) : 1.3.6.1.2.1.2.2.1.11.8 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2936 ms) : 1.3.6.1.2.1.2.2.1.11.9 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2962 ms) : 1.3.6.1.2.1.2.2.1.11.10 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (2986 ms) : 1.3.6.1.2.1.2.2.1.11.11 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (3011 ms) : 1.3.6.1.2.1.2.2.1.11.12 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (3029 ms) : 1.3.6.1.2.1.2.2.1.12.1 = "0" [ASN_COUNTER] 12/07/2018 9:46:43 AM (3056 ms) : 1.3.6.1.2.1.2.2.1.12.2 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3082 ms) : 1.3.6.1.2.1.2.2.1.12.3 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3103 ms) : 1.3.6.1.2.1.2.2.1.12.4 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3127 ms) : 1.3.6.1.2.1.2.2.1.12.5 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3144 ms) : 1.3.6.1.2.1.2.2.1.12.6 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3165 ms) : 1.3.6.1.2.1.2.2.1.12.7 = "0" [ASN_COUNTER] 12/07/2018 9:46:44 AM (3185 ms) : 1.3.6.1.2.1.2.2.1.12.8 = "0" [ASN_COUNTER] 12/07/2018 9:46:46 AM (5214 ms) : Error: -2003

Created on Jul 11, 2018 11:48:55 PM by  prtgwolk (0) 1

Last change on Jul 12, 2018 7:22:45 AM by  Sebastian Kniege [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Solved. Please close the ticket.

Created on Jul 16, 2018 6:09:07 AM by  prtgwolk (0) 1



Votes:

0

Your Vote:

Up

Down

You can't just say solved and not provide some kind of insight as to how it was solved. That doesn't help the rest of the community!

Created on Mar 15, 2021 3:28:48 PM by  jasonhille (0)



Please log in or register to enter your reply.


Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.