I've used the 827 routers for ADSL ATM point to point circuits and now I'm having problems with a new 857 ADSL router when I try to configure EIGRP. IP routing is configured, I'm using IOS ver 12.4(11)T1 (C850-advsecurityk9-m)and when I try the CLI "router eigrp 1" (in enable mode) I get a message "Protocol not in this image". I was looking for IP based IOS software but found nothing on Cisco's site. Could someone direct me to the correct location or software version I need to enable EIGRP?
I was very surprised by your question. I have looked up the product data sheet at this link:
and if you read it carefully there is a statement that the only routing protocols supported are RIPv1 and RIPv2. According to the Feature Navigator there is only one feature set supported for the 857. So I believe that there is no software option that will get you EIGRP on the 857 router.