Switching

I'm having some issues using a public /8 subnet from our ISP to access a Sharepoint site. The Sharepoint site is always accessible internally, but not always available externally (it goes up and down apparently randomly, and is accessible from some c...

Can I run an EEM script to shut down a switch port when it disconnects? or is there any other way to do that with any other script? I'm trying to save my network from pen testers. I have pretty much locked down everything but last time when they show...

DearsWould like your assistance please regarding below issueWe are having 5 TE tunnels going to same destination and we are doing load-balancing between these 5 LSPs TE tunnels.Command "mls ip cef load-sharing full simple" is configured so that CEF w...

I am doing a job for a local boro, which has the police department inside the same building.  Right now they share the same internet connection which first goes through the county network.  This network is slow and really not usuable.  The police use...

Hi I am in desperate need of help. We are trying to connect a Cisco 3750X 10GB port to a  Cisco 3560 12 port (10GB) Fibre Switch. The cable we are using is a 3M type single mode fibre cable. Both ports are configured as trunk ports and the GBICS we a...

I am seeking a way to monitor a port to know when more than 3 MAC addresses have been attached to the port.  Port security does not seem to offer a solution because the port is shut down.  I also looked into using an  ACL but that does not seem to ov...

I am in the process of learing how to configure my first GRE tunnel and have a few questions. I know that I need to have a unique IP address for the tunnel on each end but am wondering if there are any standards or best practices for selecting this a...

Problem 1) My 2800 Router stopped booting, all I see is a blank screen and no configuration boot. I tried turning off the router, taking out the flash butting it back in securing it, but it just doesn't want to boot, what is my problem ??????2) Tryin...

Hello,I have one server (web application) with IP 10.1.1.2 . It's located in the internal network. But on the router "newROUTER" is deployed NAT 10.1.1.2 to one of our global address 83.15.52.165 (dns entry: app.example.com) , thus is accessible from...

Hi,I've just started out playing with a Cisco 1800 router to gain some knowledge of Cisco devices before taking a CCNA. I also have a 2950 switch but will start with the router.I'm using an Android phone as a wireless Internet access point.  This iss...

Hi all.I am looking for a way to bind between a switch interface (cat 3750X) and a DHCP server reply.The switch can operate as the DHCP server .For example, a PC connected to interface Gi 1/0/1 will lways get IP address 10.0.0.1 because it is connect...

Have not worked with this router before, so I am not familiar with it at all.  I have a client though who has requested some help on a routing issue.  They have two networks connected via this router and they cannot talk to one another.  From the des...