With DMVPN you can still adjust the OSPF metrics by changing the bandwidth statement on the tunnel interface. On which ever tunnel you would like to make the preferred return path set the bandwidth to be higher using the bandwidth command, or you cou...

I can try helping as [email protected]

Hi JohnBoth dynamic arp inspection and ip source guard utilize dhcp snooping, In short,use dynamic arp inspection to prevent users from changing their mac-addreses and use ip source guard to prevent illegal IP addresses from being used. Basically arp...