Anti-spoof errors.

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2rbo
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Posts: 1
Joined: 25 Mar 2014 08:34

Anti-spoof errors.

Post by 2rbo »

Hi all,

I have receive a lot of snmp AlaDos notifications at 9700 like this:

.1.3.6.1.4.1.6486.800.1.2.1.23.1.1.5.0.1,alaDoSType=14,alaDoSDetected=70831116,alaDoSIp=172.17.21.30,alaDoSSlot=1,alaDoSPort=22,alaDoSMac=00 e0 b1 7a 01 40

alaDoSPort=22, but - "interfaces 1/22 admin down". Real interface with vlan tag of interface vlan 172.17.21.30/27 is 1/21.

There are others notification with same behavior(alaDoSPort=n where real interface is n-1).

Can someone explain this behavior?

Thanks and Best Regards.
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