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Community Member

IP CEF and NAT

Does anyone know of any issues with using CEF and NAT on a C2621 router.? I have seen conversations in this forum stating that there may be problems with users being denied access to the WAN when the number of translations approaches 1000 or so. I have just implemented this config and received a call that some users are experiencing problems getting out - the LAN consists of approximately 300 users. I haven't had a chance yet to investigate it completely, but wanted to know if anybody else has experienced such a problem.

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Community Member

Re: IP CEF and NAT

Additionally, if not CEF for load balancing, then what? I have dual Serial (HDLC) links to my provider.

Are there any fixes for the problems associated with CEF when using NAT?

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