Author name: alex

Cisco Routing – Administrative Distance

Cisco routers are capable of different routing protocols and static and connected routes. Every routing protocol engine has its own distance/metric/weight to decide which route is best. When a routing protocol has chosen its best route, the route is entered into the routing table. The routing engine uses an “administrative distance” per routing protocol to […]

Cisco Routing – Administrative Distance Read More »

Cisco IP Phone and NTP

Problem: A Cisco IP phone (in my case 7970G) does not sync with an NTP server. The phone sends an NTP request, receives an NTP response, but does not set its date and time. Solution: It’s a known bug of Cisco’s IP phone software releases 8.3(3) or higher according to Cisco bug id: CSCso40588. Cisco

Cisco IP Phone and NTP Read More »