For as long as you can remember you have had no difficulty connecting with your Cisco vpn client to your corporate network which you manage. Now it seems that things are not working as they once were. After checking and rechecking ipsec policies and etc you decide to run some basic tests from your pc at home where the problem is. During a tracert you discover that the packet is dropped by one of your ISP upstream routers. You test your vpn client at other locations and find no problem with connectivity or even doing pings or trace routes. Only when you are at your home do you have this problem. After a agonizing call to your ISP where the lowly tech only has authority to tell you to reboot your router you give up. Who do you call in a situation like this where a traceroute clearly shows that the packet is dropping at another provider in this case AT&T
I have this problem too.