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  1. Junior Member Registered Member
    Join Date
    Feb 2016
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    #1

    Question ARP issue, I see same IP on all interfaces

    Can someone suggest it to me, when i ping my internal host which should be only on eth1 as per Keith barker cbt lab, i see it coming in arp on all interfaces of my firewall eth0,1,2.

    Please see below:

    [Expert@HQ-FW1:0]# arp -a? (10.1.1.49) at 00:0C:29:4F:C8:22 [ether] on eth1
    ? (10.1.1.50) at 00:0C:29:0F:5A5 [ether] on eth2
    ? (10.1.1.50) at 00:0C:29:0F:5A5 [ether] on eth0
    ? (10.1.1.50) at 00:0C:29:0F:5A5 [ether] on eth1
    ? (172.16.1.120) at 00:0C:29:E0:CE:8A [ether] on eth2
    ? (192.168.1.222) at <incomplete> on eth0
    ? (10.1.1.121) at 00:50:56:C0:00:02 [ether] on eth1
    ? (10.1.1.25) at 00:0C:29:4E:72:3E [ether] on eth1
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  3. Junior Member
    Join Date
    Sep 2016
    Posts
    8
    #2
    What is your source and destination IP? What interface does your source and destination hosts come from/go to?
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  4. Senior Member olaHalo's Avatar
    Join Date
    Jul 2012
    Location
    Las Vegas
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    736
    #3
    If you're doing any clustering it could be magic mac

    Edit
    didnt realize how old this post was
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