Cisco 851 - default username/password and default router IP
Cisco 851 4-Port 10/100 Wired Router (CISCO851-K9) for sale online | eBay
Cisco - 851W Integrated Services Router - 1 x WAN, 4 x LAN CISCO851W-G-EK9-RF
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Router Cabling Procedures [Cisco 800 Series Routers] - Cisco Systems
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Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Router Cabling Procedures [Cisco 800 Series Routers] - Cisco Systems
Cisco 851 4-Port 10/100 Wired Router (CISCO851-K9) for sale online | eBay