[mrtg] Erros when running "perl mrtg filename"

[Gerardo Gonzalez]

I have been using MRTG for a while know (MRTG-RDDTool installed in a W2K box). Today I had to recreate a a file for a router. After doing it, I run perl mrtg filename to check it was OK. I got the following message:
 
D:\mrtg\bin>perl mrtg router-rrdformat.cfg
SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID: 1.3.6.1.2.1.31.1.1.1.1.18)
SNMPv1_Session (remote host: "router" [10.105.31.16].161)
                  community: "XXXXXX"
                 request ID: -1734211504
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
SNMPGET Problem for ifName.18 ifInOctets.18 ifName.18 ifOutOctets.18 on XXXXX at router:
WARNING: skipping because at least the query for ifName.18 on  router did not succeed
SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID: 1.3.6.1.2.1.31.1.1.1.1.19)
SNMPv1_Session (remote host: "router" [10.105.31.16].161)
                  community: "XXXXX"
                 request ID: -1734211503
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
SNMPGET Problem for ifName.19 ifInOctets.19 ifName.19 ifOutOctets.19 on MSCREAD at router:
WARNING: skipping because at least the query for ifName.19 on  router did not succeed
ERROR: Target[router_se0_1.50][_IN_] ' $$target[3]{$mode} ' did not
 eval into defined data
ERROR: Target[router_se0_1.50][_OUT_] ' $$target[3]{$mode} ' did no
t eval into defined data
ERROR: Target[router_se0_3.53][_IN_] ' $$target[4]{$mode} ' did not
 eval into defined data
ERROR: Target[router_se0_3.53][_OUT_] ' $$target[4]{$mode} ' did no
t eval into defined data
 
 
I have no idea why this is happening. I have used the same procedure for my other routers (around 50) without problems. Any suggestions, ideas would be greatly appreciated. Regards,
 
Gerardo

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