I have 2 cisco 3850's that I am trying to put into a stack.  I have provisioned the 2 switches, set stack numbers on them, but the stack ports never come up, they are always in DOWN status.  What do I need to do??  I am used to 3750's and have no iss...

I am adding new routers to our Corporate network for a new MPLS network.  I am getting 13017 Received TACACS+ packet from unknown Network Device or AAA Client  errors for these new routers.  They are added to ACS 5.4.0.30 correctly just like all of o...

I have an 1841 router connected to Verizon DIA for Internet.  I can SSH to the router but I can not ping a device with a static IP address in the same block of IP's that Verizon gave me.  Device I try to ping is 63.86.5.251.  router config is below. ...

I am tasked with switching from our 7200's   to ASR1002's for IPSEC VPN connections.  Currently the 7200's run HSRP and we terminate the VPN to that address so which ever 7200 is active it run, when HSRP failover kicks in the clients drop, and re-est...