Re: problem with the "arp" command (using the pub flag)

Linux Advanced Routing and Traffic Control

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and what shows 
#ip ro sh cache
?
It might be that you have not arp of some host who respond for icmp and arp's in case of some recieved icmp redirect packet.



-----Original Message-----
    From: "gypsy"<gypsy@xxxxxxxxxx>
    Sent: 05-05-18 05:27:02
    To: "Antonio Pinizzotto"<antonio.pinizzotto@xxxxxxxxxx>
    Cc: "lartc@xxxxxxxxxxxxxxx"<lartc@xxxxxxxxxxxxxxx>
    Subject: Re:  problem with the "arp" command (using the pub flag)
      Antonio Pinizzotto wrote:
    >    ___PROBLEM___
    > 
    > The problems is that, sometimes, the second line (the one with the P
    > Flag in the "arp -n" output) desappears for some time and then appears
    > again... !!?
    > 
    > Note.
    > Do you know if it is normal or if it could be a bug in "arp"?
    > I didn't verify if, when the second line is not present, the host A
    > continues to answer to ARP Request for 192.168.30.130 on eth0.
    > In other words I didn't verify if it's just a problem in the output (of
    > "arp -n" command) and not in the behaviour.
    > 
    > Antonio
    
    You got Trouble, Antonio!
    
    I've been running for 2+ months with no "disappearing" PUB arps.  arp -n
    works flawlessly.
    
    Wondering:  Could it be a bad NIC or cable?
    --
    gypsy
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