Network Management

I purchased a refurbished WS-C3750E-48PD 48 port PoE gigabit switch for $170 with a 1 year warranty. It has the latest IOS version of 12.2(55)SE12 running image C3759-UNIVERSALK9-M.When I first got it and fired it up with a console cable attached it ...

Hello everyone,I am working on my dissertation about QoS VoIP. However, the university has no license for OPNET or any other simulator. I have tried Cisco lab equipment, but again the university has no  UCK9 license to activate "telephony service" co...

Hi Everyone,I'm having a problem when using FTP to backup my devices' config files, the problem is that I can't copy the config file to a certain directory within the FTP server, for example the following command won't work: #copy nvram:startup-confi...

Hello Cisco Expert, Hope you are doing good. I am working on a project in Cisco Packet Tracer 8.1.1, and current running into an issue where I am unable to save the global policy of the 5506-X firewall [version 9.6(1)]. As per my requirement, I will ...

Hi,I need to make mac address reservation by dhcp on my C921-4P router but when I do dhcp pool configuration the target device address is not given as I configure it. I tested deleting the pool and recreating another one by integrating the "client-id...

Looking for a local company/someone to redo our LAN. We are located in Malaga, Western Australia. 

Hi to all, I was in IT admin before and was exposed to different setup and techologies. I transitioned to a different company whereas Im involved in managing OT(operations) networks. The network is running a ring type network which I believed it is v...

hello everyone i need your help After changing the switch with c9200, I cannot connect to the connected router (cisco 1921).The following (picture attached) error message occurs in the router.Why this error message occurs I want to know the cause and...

I want to monitor the PoE-usage of your new Catalyst 9000 (like C9400) switches. For older Catalyst 4500 I used this OID: 1.3.6.1.4.1.9.9.117.1.1.4.1.4.16Multiplied with 0.5 (for 5V) I get the load in Watt. But this OID does not work for the new gene...

So, I'm new to LibreNMS. I have noticed some of our Cisco switches weren't on there to be monitored at our newer sites, so I am trying to add them today. I compare the 'add device' configs in Libre with other switches that are being monitored and eve...

Hi Team, We have Cisco 4506 with SUP Sup 8-E 10GE  and we are using the SUP 10 gig interface with 10GBase-CU 5M for the connectivity between Cisco 4506 CORE 1 and Cisco 4506 CORE 2. We are planning to replace the Cisco 4506 with Cisco 9407R and want ...

We have a bunch of 4500 switches and a mix of Sup8e, Sup8le, and Sup7e. We have some SUP8e's that are hardware version 1.2 and some are 1.3. We seem to be having an issue with some of the 1.2 versions that don't happen on the 1.3 versions. Is there a...