I am the network admin for a large VOIP based call center (200 agents on the phone non-stop). I have split the networks into two. Most of the call center agents (150 VOIP users) are connected to a cisco 3900 series router (fiber ISP with a cable mode...

Hello everyone, I have a cisco 3900 integrated services router. I am a little new to the cisco IOS. I am having an issue getting my LAN network to communicate with the WAN gateway. From hosts I can ping the interface IP address but not the gateway. I...