[FUGSPBR] ARP

[Maurício Hiroaki]

Tenho uma rede onde estão ligados FreeBSD(Routers/Firewall) e Router Switch
e esses dias tenho visto que no messages de um dos firewalls tem dado muita
requisição dde arp, e até de arp que ele conhece. O que pode estar
acontecendo?

tail -f /var/log/messages

Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.165 is on vr0 but got reply
from 00:20:cd:63:a6:f0 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.167 is on vr0 but got reply
from 00:20:cd:5b:a5:c0 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.152 is on vr0 but got reply
from 00:20:cd:63:a9:f0 on xl0
Sep 24 16:02:24 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.36 is on vr0 but got reply
from 00:00:e2:37:91:0a on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.152 is on vr0 but got reply
from 00:20:cd:63:a9:f0 on xl0
Sep 24 16:02:25 fwbuilder last message repeated 2 times
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.164 is on vr0 but got reply
from 00:20:cd:5b:a5:f0 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.154 is on vr0 but got reply
from 00:20:cd:87:f6:d0 on xl0
Sep 24 16:02:25 fwbuilder last message repeated 2 times
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.152 is on vr0 but got reply
from 00:20:cd:63:a9:f0 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.152 is on vr0 but got reply
from 00:20:cd:63:a9:f0 on xl0
Sep 24 16:02:25 fwbuilder last message repeated 2 times
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.154 is on vr0 but got reply
from 00:20:cd:87:f6:d0 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.164 is on vr0 but got reply
from 00:20:cd:5b:a5:f0 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.36 is on vr0 but got reply
from 00:00:e2:37:91:0a on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.167 is on vr0 but got reply
from 00:20:cd:5b:a5:c0 on xl0
Sep 24 16:02:25 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.156 is on vr0 but got reply
from 00:20:cd:63:d5:90 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0
Sep 24 16:02:26 fwbuilder last message repeated 2 times
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.36 is on vr0 but got reply
from 00:00:e2:37:91:0a on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.211 is on vr0 but got reply
from 40:00:82:10:82:01 on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.36 is on vr0 but got reply
from 00:00:e2:37:91:0a on xl0
Sep 24 16:02:26 fwbuilder kernel: arp: 192.168.2.159 is on vr0 but got reply
from 00:20:cd:8d:ad:30 on xl0

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