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Type:
Incident report
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Resolution: Unresolved
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Priority:
Major
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None
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Affects Version/s: 6.2.3
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Component/s: Templates (T)
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None
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Environment:RHEL 7,8,9
Steps to reproduce:
- Use the latest "Linux by zabbix agent (active)" template
- Have kvm based vms running on the host
- Have vnet interfaces discovered
- Verify the link speed
Result:
Kernel always reports link speed of 10mbit for any vnet* devices related to kvm virtual machines, so the speed related trigger is fired.
Someone reported this on the forum:
https://www.zabbix.com/forum/zabbix-help/359479-centos-kvm-incorrect-speed-for-vnet-interfaces
See:
https://access.redhat.com/solutions/65061
Quote: "vnet interfaces are tap devices. The 10Mbps is just a cosmetic figure in a tap device's virtual firmware. This speed has no bearing on the speed of a guest's virtual device whatsoever."
Expected:
vnet devices should likely be excluded in the default regex for {$NET.IF.IFNAME.NOT_MATCHES}
- related to
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ZBXNEXT-2286 net.if.discovery filtration
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- Open
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- Open
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- Spec. sign-off
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ZBX-20869 Item: vfs.file.contents["/sys/class/net/IF/speed"] unsupported on some systems
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- Confirmed
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- Confirmed
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- Need info
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- Confirmed
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- Confirmed
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