topic Gratuitous ARP from PIX in Network Security https://community.cisco.com/t5/network-security/gratuitous-arp-from-pix/m-p/632403#M497617 <P>Hello,</P><P></P><P>We observed PIX firewall constantly sends out gratuitous ARP for its own IP address every 5 seconds.Is it normal?If so,what's the purpose?</P><P>BTW,we have a pair of PIX .</P><P>Thanks.</P><P></P> Fri, 21 Feb 2020 09:09:50 GMT cning99 2020-02-21T09:09:50Z Gratuitous ARP from PIX https://community.cisco.com/t5/network-security/gratuitous-arp-from-pix/m-p/632403#M497617 <P>Hello,</P><P></P><P>We observed PIX firewall constantly sends out gratuitous ARP for its own IP address every 5 seconds.Is it normal?If so,what's the purpose?</P><P>BTW,we have a pair of PIX .</P><P>Thanks.</P><P></P> Fri, 21 Feb 2020 09:09:50 GMT https://community.cisco.com/t5/network-security/gratuitous-arp-from-pix/m-p/632403#M497617 cning99 2020-02-21T09:09:50Z Re: Gratuitous ARP from PIX https://community.cisco.com/t5/network-security/gratuitous-arp-from-pix/m-p/632404#M497618 <HTML><HEAD></HEAD><BODY><P>It seems to be the normal activity, this is part of Interface testing when the failover is configured. Are you running the PIX firewalls in the failover? Check the below link. Hope this helps</P><P></P><P><A class="jive-link-custom" href="http://www.cisco.com/warp/public/110/failover.html" target="_blank">http://www.cisco.com/warp/public/110/failover.html</A></P><P></P></BODY></HTML> Mon, 11 Sep 2006 06:09:31 GMT https://community.cisco.com/t5/network-security/gratuitous-arp-from-pix/m-p/632404#M497618 Ganesh Iyyappan Pillai 2006-09-11T06:09:31Z