Hello,I'm trying to connect several 871 routers to a 2821 router and the first 871 gets connected fine, but the next one doesn't, seems like a configuration issue but I don't have a clue where to look at.show crypto session on the 2821:Crypto session...

Hi,I've got a problem with developing a DMVPN network using the following setup:I've got two routers, router1 is a 2821 using IOS 12.4(1a), router2 is a 1760 using IOS 12.3(somewhat).router1 is our DMVPN hub.router2 uses pppoe to establish an adsl c...

Hello,I'm trying to get software voip clients running with my existing CallManager 3.3(3) SR2.Actually I wanted to buy a Cisco SoftPhone but my Vendor only sold my an newer IP Communicator and told my the SoftPhone is no longer available/supported.Un...

Hello *,I want to establish a setup at a customer location with enhanced security features, especially Layer2 access lists.I hoped it would be possible to define access groups with specific ACLs to only allow known MAC addresses access to the network...

Hello,I have a very difficult topic according to the mentioned switch series.Since there was already cisco personnel involved I try to get help here, because I could not believe what they said.To describe the problem briefly, I do not tell about alre...