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Invalid interface numbers reported via SNMP

roman_synyuk
Level 1
Level 1

Hi everybody!

Does anybody know why cisco router with MFR interface

reports invalid interface numbers via SNMP?

I my case IF-MIB::ifNumber variable contains wrong value:

[root@MSCRPT002 src]# snmpwalk -cpublic -v1 69.0.68.4 IF-MIB::ifNumber

IF-MIB::ifNumber.0 = INTEGER: 15

but router has 14, not 15 interfaces:

[root@MSCRPT002 src]# snmpwalk -cpublic -v1 69.0.68.4 IF-MIB::ifDescr

IF-MIB::ifDescr.1 = STRING: FastEthernet0/0

IF-MIB::ifDescr.2 = STRING: FastEthernet0/1

IF-MIB::ifDescr.3 = STRING: FastEthernet1/0

IF-MIB::ifDescr.4 = STRING: FastEthernet1/1

IF-MIB::ifDescr.5 = STRING: Null0

IF-MIB::ifDescr.6 = STRING: T1 0/0

IF-MIB::ifDescr.7 = STRING: T1 0/1

IF-MIB::ifDescr.8 = STRING: T1 0/2

IF-MIB::ifDescr.9 = STRING: T1 0/3

IF-MIB::ifDescr.10 = STRING: Serial0/0:0

IF-MIB::ifDescr.11 = STRING: Serial0/1:0

IF-MIB::ifDescr.12 = STRING: Serial0/2:0

IF-MIB::ifDescr.13 = STRING: MFR1

IF-MIB::ifDescr.14 = STRING: MFR1.500

[root@MSCRPT002 src]#

With other router (without MFR interface) I have no problems:

[root@MSCRPT002 src]# snmpwalk -cpublic -v1 69.0.68.1 IF-MIB::ifNumber

IF-MIB::ifNumber.0 = INTEGER: 16

[root@MSCRPT002 src]# snmpwalk -cpublic -v1 69.0.68.1 IF-MIB::ifDescr

IF-MIB::ifDescr.1 = STRING: Serial0/0

IF-MIB::ifDescr.2 = STRING: ATM1/0

IF-MIB::ifDescr.3 = STRING: FastEthernet0/0

IF-MIB::ifDescr.4 = STRING: Null0

IF-MIB::ifDescr.5 = STRING: ATM1/0-atm layer

IF-MIB::ifDescr.6 = STRING: ATM1/0.0-atm subif

IF-MIB::ifDescr.7 = STRING: ATM1/0-aal5 layer

IF-MIB::ifDescr.8 = STRING: ATM1/0.0-aal5 layer

IF-MIB::ifDescr.9 = STRING: Loopback0

IF-MIB::ifDescr.10 = STRING: Serial0/0.1

IF-MIB::ifDescr.11 = STRING: ATM1/0.1-atm subif

IF-MIB::ifDescr.12 = STRING: ATM1/0.1-aal5 layer

IF-MIB::ifDescr.13 = STRING: ATM1/0.2-atm subif

IF-MIB::ifDescr.14 = STRING: ATM1/0.2-aal5 layer

IF-MIB::ifDescr.15 = STRING: ATM1/0.3-atm subif

IF-MIB::ifDescr.16 = STRING: ATM1/0.3-aal5 layer

1 Reply 1

murabi
Level 4
Level 4

Looks like you have some problem with the snmp agents. Did you check for any know bugs for this in the cco???

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