topic strange arp behaiviour in General Topics https://live.paloaltonetworks.com/t5/general-topics/strange-arp-behaiviour/m-p/51172#M37642 <HTML><HEAD></HEAD><BODY><P>I configured PA to use my outside interface (192.168.128.61) for update checking (not management interface), after it I noticed strange arp behaiviour from PA:</P><P></P><P>00:14:40.540937 arp who-has 67.192.236.252 tell 192.168.128.61</P><P>PA tries to locate update server by making arp request to it, like it has no default gw configured. Default gw is configured on the only virtual router on the device (outside interface belongs to this vr) Could anyone explain which routing table PA is using in this case and how to configure it, because it seems it doesn't use routing-table of the virtual router.</P><P></P><P>In this topology updates are working because proxy-arp is enabled on the default router, however how PA will behave if I'll disable proxy arp ?</P></BODY></HTML> Thu, 02 Dec 2010 22:30:53 GMT SimasK 2010-12-02T22:30:53Z strange arp behaiviour https://live.paloaltonetworks.com/t5/general-topics/strange-arp-behaiviour/m-p/51172#M37642 <HTML><HEAD></HEAD><BODY><P>I configured PA to use my outside interface (192.168.128.61) for update checking (not management interface), after it I noticed strange arp behaiviour from PA:</P><P></P><P>00:14:40.540937 arp who-has 67.192.236.252 tell 192.168.128.61</P><P>PA tries to locate update server by making arp request to it, like it has no default gw configured. Default gw is configured on the only virtual router on the device (outside interface belongs to this vr) Could anyone explain which routing table PA is using in this case and how to configure it, because it seems it doesn't use routing-table of the virtual router.</P><P></P><P>In this topology updates are working because proxy-arp is enabled on the default router, however how PA will behave if I'll disable proxy arp ?</P></BODY></HTML> Thu, 02 Dec 2010 22:30:53 GMT https://live.paloaltonetworks.com/t5/general-topics/strange-arp-behaiviour/m-p/51172#M37642 SimasK 2010-12-02T22:30:53Z Re: strange arp behaiviour https://live.paloaltonetworks.com/t5/general-topics/strange-arp-behaiviour/m-p/51173#M37643 <HTML><HEAD></HEAD><BODY><P>It looks like a possible bug, please create a case and we'll debug further.</P></BODY></HTML> Fri, 03 Dec 2010 17:47:12 GMT https://live.paloaltonetworks.com/t5/general-topics/strange-arp-behaiviour/m-p/51173#M37643 jnguyen 2010-12-03T17:47:12Z