We have just had a couple of sites upgraded to 10Mb leased lines (UK) with Cisco 1841 routers installed. The internet bandwidth is VERY slow ... speed tests show 1Mb down and 0.01Mb up.
Could this be a router issue or more to the point, a router config issue? 2 sites both with the same problem - the only difference is the config IP details pertaining to the 2 sites.
We have 3 other sites just received 2Mb LES too and also with the same routers, but the presentation is E1 (serial) with HDLC encapsulation. These are all okay - operating with 2Mb down & up. The configs are pretty much the same apart from the IPs and that these have E1 cards for the outside interface and not FastEthernet.
The routers are brand new ... supplied in 2010, so I would guess the IOS is at lastest or near as dammit.