topic reply packets are dropping because of anti-spoofing in Training and Certification https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31034#M572 <HTML><HEAD></HEAD><BODY><P>I am running checkpoint r80 on esxi on an intel nuc. VMware&nbsp;vswitch&nbsp;topology is given below. my host has a VMware workstation and I am using windows 10&nbsp;vm&nbsp;as a console for checkpoint SMS. I allowed all traffic to check the basic connectivity. packets are passing through the gateway to the internet router and the reply is coming back to the outside interface. However, packets are dropping and the drop reason is showing as anti-spoofing.</P><P></P><P>Could you please help me to find out the issue?</P><P></P><P></P><P><IMG class="image-1 jive-image" src="https://community.checkpoint.com/legacyfs/online/checkpoint/78237_pastedImage_1.png" /></P><P><IMG class="image-2 jive-image" src="https://community.checkpoint.com/legacyfs/online/checkpoint/78238_pastedImage_2.png" /></P></BODY></HTML> Wed, 06 Feb 2019 11:30:24 GMT Binoy_KB 2019-02-06T11:30:24Z reply packets are dropping because of anti-spoofing https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31034#M572 <HTML><HEAD></HEAD><BODY><P>I am running checkpoint r80 on esxi on an intel nuc. VMware&nbsp;vswitch&nbsp;topology is given below. my host has a VMware workstation and I am using windows 10&nbsp;vm&nbsp;as a console for checkpoint SMS. I allowed all traffic to check the basic connectivity. packets are passing through the gateway to the internet router and the reply is coming back to the outside interface. However, packets are dropping and the drop reason is showing as anti-spoofing.</P><P></P><P>Could you please help me to find out the issue?</P><P></P><P></P><P><IMG class="image-1 jive-image" src="https://community.checkpoint.com/legacyfs/online/checkpoint/78237_pastedImage_1.png" /></P><P><IMG class="image-2 jive-image" src="https://community.checkpoint.com/legacyfs/online/checkpoint/78238_pastedImage_2.png" /></P></BODY></HTML> Wed, 06 Feb 2019 11:30:24 GMT https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31034#M572 Binoy_KB 2019-02-06T11:30:24Z Re: reply packets are dropping because of anti-spoofing https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31035#M573 <HTML><HEAD></HEAD><BODY><P>You need to set correct antispoofing for your GW object in the smart Console. If you are convinced that your routing configured correctly, go to SmartConsole, open GW object / Network Management and press "get interfaces with topology"</P><P></P><P><IMG class="image-1 jive-image" src="https://community.checkpoint.com/legacyfs/online/checkpoint/78240_pastedImage_1.png" /></P><P></P><P>Install policy, it should fix the issue</P></BODY></HTML> Wed, 06 Feb 2019 17:52:17 GMT https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31035#M573 _Val_ 2019-02-06T17:52:17Z Re: reply packets are dropping because of anti-spoofing https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31036#M574 <HTML><HEAD></HEAD><BODY><P>I missed updating the post. I tried to troubleshoot and did the same it started working already.&nbsp;</P><P></P><P>Thank you very much for your time.</P></BODY></HTML> Wed, 06 Feb 2019 18:38:02 GMT https://community.checkpoint.com/t5/Training-and-Certification/reply-packets-are-dropping-because-of-anti-spoofing/m-p/31036#M574 Binoy_KB 2019-02-06T18:38:02Z