Was hoping to get some help on this.  We have a spare ISR 2821 with 2 WIC-2AM-V2 cards.  We would like to be able to use this router as a backdoor dialup connection incase our VPN/Internet connection goes out.   Is it possible to do this with this ro...

I was hoping to get some more info on port-security and how it should work.  Senario.  We run a Data vlan and a Voice vlan.  When adding Port-secuirty will this affect the voice vlan on the port?  We are using Cisco IP phones and there are times we w...