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Siements 5890 router

I have a siemens 5890 router that just replaced an Efficient 5820 router. The WAN port on the router comes up, but the LAN port cannot be pinged from HQ.

I have the internal firewall off. I can telnet into the router's wan ip and then ping the cisco switch. I can telnet into the cisco switch and ping the router's lan ip. From the router, I can also ping workstations on the lan.

Any ideas? In the Cisco world, we overload the Ethernet port and Nat outside on the WAN port and Nat inside on the Lan port.

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When you say HQ is that outside on the wan port trying to ping the Lan port?
Sometimes the router itself will respond to a ping but will not pass ping requests thru as the internal firewall can never be fully shutoff unless you are running your cisco switch as a DMZ 
also are you connecting your other pc's to the cisco or to the 5890.
Instead of shutting off the firewall completely try enabling bridge mode and give your cisco the outside IP addy.

Posted on May 01, 2008

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