Dos warning message in 6900

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HUSSAINQCS
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Posts: 290
Joined: 21 Jan 2017 02:57

Dos warning message in 6900

Post by HUSSAINQCS » 24 Aug 2017 13:14

I have warning message in 6900

2017 Aug 20 06:26:04 (none) swlogd: ipni dos warning(4) VRF 0: DoS type unicast dest-ip/multicast-mac from 192.168.20.5/5c:f3:fc:e8:0d:d8 on port 1/1/16.

What is the root cause will it create any impact on network


Please i need somebody advice

silvio
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Re: Dos warning message in 6900

Post by silvio » 24 Aug 2017 17:09

all is written in the message - which client (mac, ip, port) is the root of this message. Normaly there is no impact. mostly this is a normal client or server. You can check with wireshark (if the messages are there often) which mc traffic is the reason.
regards
Silvio

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