I was doing some sniffing of my network and noticed that my EIGRP hello packets are being sent/seen to all my internal switches. How can i stop this? Do I just make the internal vlans a passive interface or is there another way?

Hello,  I am running CUCM 9.1.2. I am adding a full duplex speaker to CUCM and I have given it an extension. All works fine but I would like to somehow limit who can call this extension. I would like to either block all but certain phones or block pe...

While looking at wireshark I noticed some EIRGP HELLO packets on a wireless vlan. The vlan is routable and it sits on our layer 3 switch.  I would like to disable the HELLO packets because there will never be a router sitting in those networks. Are t...

     I was wondering if there is a way for CUCM to pull all calls period, even the ones that never get answered on the other end.  I have tested this out and currently if someone makes a call internally to either an external number or an internal num...

This problem has started after comcast made their upgrades on the East coast about two weeks ago and had several problems.... The router is a 2800 series running advipservices 12.4.25e and after what appears to be about 1 day of communication the rou...