Incorrect virtual ports
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Posted by d2domer on June 13, 2005, 5:33 am
Please log in for more thread options We have an Alteon 2208 for load balancing AJP/1.3 between Apache and Tomcat. At times, seemingly random, connections hang inbetween. Netstat shows SYN_SENT on the web server and SYN_RECV on the application server. Whenever this happens, in the view Switch/Monitor/Layer 4/SLB.../Stats we see "Incorrect Virtual Ports Specified" increasing constantly (about 10/sec) Any help or suggestions are appreciated. Thanks Erik | |||||||||||||
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Posted by Angler on July 6, 2005, 11:45 pm
Please log in for more thread options d2domer wrote: port (physical port) with the destIP=VirtualIP but the destPort!=VirtPort (TCP or UDP port). So, for example, if you are load balancing HTTP and the switch receives a packet to the VIP on TCP port 23, the packet is dropped and the counter is incremented. Angler | |||||||||||||
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> Tomcat.
>
> At times, seemingly random, connections hang inbetween. Netstat shows
> SYN_SENT on the web server and SYN_RECV on the application server.
>
> Whenever this happens, in the view Switch/Monitor/Layer 4/SLB.../Stats
> we see "Incorrect Virtual Ports Specified" increasing constantly (about
> 10/sec)
>
> Any help or suggestions are appreciated.
>
> Thanks
> Erik
>