Wednesday, July 7, 2021

ARP table weirdness.

Good Day

I work for a small ISP in south - Africa , I found on my mikrotik routers on the ARP table it shows the whole subnet of ips but let say only the first 100 ip(s) are used the rest is just dynamically added.

But toughs ips are not in use on any device, So i was thinking that it needs to be some service or device pinging or sending data to toughs ips for it to be in the arp table but there is no mac connected as the ips are not in use.

Is there something I am missing, its also happening at different places in different OSPF areas.



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