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Unmanaged Interface VoIP-Null0:

Don331 over 15 years ago

With the latest Orion and Netflow, we keep seeing the infamous

"NetFlow Receiver Service [SWORION01] is receiving a NetFlow data stream from an unmanaged interface on 172.16.10.58. The NetFlow data stream will be discarded. Please use the Orion System Manager to add Interface #11 in order to process this NetFlow data stream" error message.

We traced down the interface, and they are all coming from in interface named VoIP-Null0:

If we go back to the Node resources in Orion, there isn't any interface by that name to add.

But the router command shows it:

Jacksonville-gw#show snmp mib ifmib ifindex
FastEthernet0/0: Ifindex = 1
Foreign Exchange Station 0/0/0: Ifindex = 14
Loopback0: Ifindex = 26
Null0: Ifindex = 12
VoIP-Null0: Ifindex = 11

Any ideas?

Don

0 mcbridea over 15 years ago

Hi Don,

Did you try rediscovering the device in Orion?

Andy
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0 Don331 over 15 years ago in reply to mcbridea

Andy,

Yes, I did - no interface by that name

Don
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0 mcbridea over 15 years ago in reply to Don331

Next I'd try a MIB walk on that device to see if there is anything strange in the IF tables.
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0 Don331 over 15 years ago in reply to mcbridea

Mib-walker doesn't show that interface for some reason:
lubbock-gw#show snmp mib ifmib ifindex
FastEthernet0/0: Ifindex = 1
Foreign Exchange Station 0/0/0: Ifindex = 14
Loopback0: Ifindex = 26
Null0: Ifindex = 12
VoIP-Null0: Ifindex = 11

IF-MIB   1.3.6.1.2.1.2.1.0   ifNumber.0   145
IF-MIB   1.3.6.1.2.1.2.2.1.1.1   ifIndex.1   1
IF-MIB   1.3.6.1.2.1.2.2.1.1.2   ifIndex.2   2
IF-MIB   1.3.6.1.2.1.2.2.1.1.3   ifIndex.3   3
IF-MIB   1.3.6.1.2.1.2.2.1.1.4   ifIndex.4   4
IF-MIB   1.3.6.1.2.1.2.2.1.1.5   ifIndex.5   5
IF-MIB   1.3.6.1.2.1.2.2.1.1.6   ifIndex.6   6
IF-MIB   1.3.6.1.2.1.2.2.1.1.7   ifIndex.7   7
IF-MIB   1.3.6.1.2.1.2.2.1.1.8   ifIndex.8   8
IF-MIB   1.3.6.1.2.1.2.2.1.1.9   ifIndex.9   9
IF-MIB   1.3.6.1.2.1.2.2.1.1.10   ifIndex.10   10
IF-MIB   1.3.6.1.2.1.2.2.1.1.12   ifIndex.12   12
IF-MIB   1.3.6.1.2.1.2.2.1.1.13   ifIndex.13   13

IF-MIB   1.3.6.1.2.1.2.2.1.2.1   ifDescr.1   FastEthernet0/0
IF-MIB   1.3.6.1.2.1.2.2.1.2.2   ifDescr.2   FastEthernet0/1/0
IF-MIB   1.3.6.1.2.1.2.2.1.2.3   ifDescr.3   FastEthernet0/1/1
IF-MIB   1.3.6.1.2.1.2.2.1.2.4   ifDescr.4   FastEthernet0/1/2
IF-MIB   1.3.6.1.2.1.2.2.1.2.5   ifDescr.5   FastEthernet0/1/3
IF-MIB   1.3.6.1.2.1.2.2.1.2.6   ifDescr.6   FastEthernet0/1/4
IF-MIB   1.3.6.1.2.1.2.2.1.2.7   ifDescr.7   FastEthernet0/1/5
IF-MIB   1.3.6.1.2.1.2.2.1.2.8   ifDescr.8   FastEthernet0/1/6
IF-MIB   1.3.6.1.2.1.2.2.1.2.9   ifDescr.9   FastEthernet0/1/7
IF-MIB   1.3.6.1.2.1.2.2.1.2.10   ifDescr.10   FastEthernet0/1/8
IF-MIB   1.3.6.1.2.1.2.2.1.2.12   ifDescr.12   Null0
IF-MIB   1.3.6.1.2.1.2.2.1.2.13   ifDescr.13   Vlan1
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0 mcbridea over 15 years ago in reply to Don331

Hi Don,

For some reason your IOS is not populating the VoIP IF in the IF table. Have you checked w/ Cisco on this?

Andy
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