About netman1205

netman1205 · 03-01-2011

Hello,we observe a very strange issue with FWSM blades (hardware WS-SVC-FWM-1, software versions 3.2(2) later upgdaded to 4.1(3)) on 6509 boxes ( IOS s72033-ipservicesk9-mz.122-33.SXI3).FWSMs abrupt stop forward traffic from some (NOT ALL) DMZ interf...

netman1205 · 03-02-2011

Hi Yudong,I think you are very close to the problem.Yesterday I've found that the connections will be lost not for complete inside VLAN, but only between DMZs on active FWSM and inside servers, which are connected (with active LAN card) to second 650...

netman1205 · 03-01-2011

We don't use any NAT.I did bidirectional capture on inside interface of FWSM - I can see SYN packets from inside and ACK answers from host in DMZ, but these ACKs never reached the switch VLAN on 6509 (where the source of SYN requests is).

Member Since	‎03-01-2011 06:37 AM
Date Last Visited	‎08-18-2017 03:55 AM
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FWSM black holes packets

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Re: FWSM black holes packets