topic Cannot Access NLB in Network Security https://community.cisco.com/t5/network-security/cannot-access-nlb/m-p/1060282#M913893 <P>Hi,</P><P></P><P>I have a host on one side of an ASA5510 that can ping an NLB cluster address but cannot http to it or FTP etc.. only ICMP gets through. </P><P>When attempting to connect to the NLB address i get </P><P>Aug 27 2008 12:37:00: %ASA-6-302014: Teardown TCP connection 14556840 for management:HOST/55667 to internal-vlan-10:10.16.0.10/80 duration 0:00:06 bytes 0 TCP Reset-O</P><P></P><P>These resets are confusing me. My NLB is configured with Multicast and IGMP. </P><P>Can anyone advise on what to do here. I understand where the reset is coming from but is it do to with the Multicast aspect of the NLB.</P><P></P><P>Please Help</P><P></P><P>Stephen</P> Mon, 11 Mar 2019 13:36:32 GMT stephen.stack 2019-03-11T13:36:32Z Cannot Access NLB https://community.cisco.com/t5/network-security/cannot-access-nlb/m-p/1060282#M913893 <P>Hi,</P><P></P><P>I have a host on one side of an ASA5510 that can ping an NLB cluster address but cannot http to it or FTP etc.. only ICMP gets through. </P><P>When attempting to connect to the NLB address i get </P><P>Aug 27 2008 12:37:00: %ASA-6-302014: Teardown TCP connection 14556840 for management:HOST/55667 to internal-vlan-10:10.16.0.10/80 duration 0:00:06 bytes 0 TCP Reset-O</P><P></P><P>These resets are confusing me. My NLB is configured with Multicast and IGMP. </P><P>Can anyone advise on what to do here. I understand where the reset is coming from but is it do to with the Multicast aspect of the NLB.</P><P></P><P>Please Help</P><P></P><P>Stephen</P> Mon, 11 Mar 2019 13:36:32 GMT https://community.cisco.com/t5/network-security/cannot-access-nlb/m-p/1060282#M913893 stephen.stack 2019-03-11T13:36:32Z Re: Cannot Access NLB https://community.cisco.com/t5/network-security/cannot-access-nlb/m-p/1060283#M913894 <HTML><HEAD></HEAD><BODY><P>You have to study NLB and ASA software documentation, but in principle, NLB and ASA is not compatible.</P></BODY></HTML> Thu, 11 Sep 2008 08:04:48 GMT https://community.cisco.com/t5/network-security/cannot-access-nlb/m-p/1060283#M913894 Ivast 2008-09-11T08:04:48Z