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PIX 515R and Zyxel Prestige 623 DSL router bad combo?

Unanswered Question
Apr 1st, 2004
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Hello All,


Our ISP replaced our DSL router and we continue to have random intermittent connectivity problems with the DSL router from the inside and outside. It will drop packets if you do a continuous ping from the PIX or through the PIX or from a different physical location to the DSL Router.


The previous DSL router was a Cisco 827. We never had any problems with it.


The ISP blames the PIX/ my network for the problem.


I have tried setting all interfaces to the same speed and duplex (10baseT) on the PIX and the switch and matching MTU sizes of 1492 (ISP recommended) on both PIX interfaces, but nothing seems to alleviate the problem except for power cycling the DSL router, which will make it work for about a day.


Is there any thing that I am overlooking?


TIA,


Jim

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