Changing the speed to 9600, and then changing the config value to 0x2102 should help. dont forget to save.. Let me know if this works..

You could be using an IOS on the 887 that does not support those particular features.You could go to Cisco Feature Navigator and compare the features of both the IOS's that you've got on the 887 and the 877.

Hi Michael,Here is a pretty simple LAB you could try out:    Loopback1---3750------------(Vlan2)-2900-(Vlan2)------------1720---Loopback3                           |                                                            |                       ...