I've had a VPN concentrator that's been working for several years and now, without any known changes, VPN clients establish a tunnel but can't pass traffic. A 'show crypto ipsec sa' shows #recv errors.What does the receive error indicate? Where do I...

I'm getting UDP traffic denied coming from the inside interface going outbound even though I have the implicit outbound rule in place. I've tried to specifically permit the udp traffic but it still gets denied. I'm sure there is something simple I'm ...

Customer has a requirement to send data to a serial port on a 3200 Mobile Access Router using SLIP on the serial interface. Since the mobile network is the only one visible from the HA, I'm trying to NAT from the mobile network to another subnet hang...

I've got 3745 and 7200 using TCCS to connect 2 PBX's. Phone calls and faxes are working fine. Not able to use modems (dialup) over the TCCS. Not getting any errors other than the modem doesn't connect. Is there anything in particular that needs to b...

I'm considering T-CCS to connect a couple PBX's over a T1 Serial link. I'm also going to be running regular data traffic over the link and am concerned about the amount of bandwidth a T-CCS connection uses. Does anyone have any numbers on this? Ca...