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High CPU with "autocommand telnet..."

I used the "autocommand telnet..." function to allow two async devices to communicate via a pair of 3640 routers. The routers have 32-port async modules installed for this solution. I have found that once a single connection establishes between the routers, the source router CPU jumps by about 17% while the destination router CPU jumps about 22%. Does anyone know if this is normal or if there is a way to reduce the jump in CPU?

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Anonymous
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Re: High CPU with "autocommand telnet..."

The best option to fix the issue is to enable CEF.Using CEF will allow the router to process traffic in the most efficient way possible.

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