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New Member

MLPPP w/ LFI + cRTP - NAT issue

I've enabled QoS features over 2 1750 routers (MLPPP w/ LFI + cRTP and change the default voice paylod) and the results obtained were very good.

The quality of voice under link congestion was excellente.

But when apply NAT, it doesn't work.

ICMP traffic works, but for example I couldn't pass HTTP traffic or any other kind.

Any idea about NAT bug or may be I've misconfigured something?

1 REPLY
New Member

Re: MLPPP w/ LFI + cRTP - NAT issue

I had this issue and Cisco told me that VoIP is not supported with NAT.

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