Switching

Ouput of show version on Cisco 3850Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03.02.03.SE RELEASE SOFTWARE (fc2)Technical Support: http://www.cisco.com/techsupportCopyright (c) 1986-2013 by Cis...

Hi Cisco Community,  I'm posting you a very strange problem that I've been encountring these days, well I have some switchs configured correctly, the ping was OK, but some days ago, they lose connectivity, and I can't ping on them. After some time, t...

Does the C3750E support advanced layer 3 and OSPF? If not, is there a license upgrade and what is that part number. If already capable, how do you enable? Show ver:rpswch0100#sh verCisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 1...

Hi all,I am new to network and is currently taking my ICDN1 course, but have no actual hands-on experience beside the short labs lesson in class..Hence, I will like to take this opportunity to check with gurus here for their advices and to see if my ...

I have a customer who has engaged a third party to install OS2 single mode fibre across their campus, unfortunately the supplier has installed loops, within loops, in short the topology is a nightmare. There are two central data centres, but the vast...

Hi All My switch configuration are belowsw1:interface Vlan12 ip address 10.0.12.2 255.255.255.0 standby 12 ip 10.0.12.1 standby 12 priority 200 standby 12 preemptendsw2:interface Vlan12 ip address 10.0.12.3 255.255.255.0 standby 12 ip 10.0.12.1 stand...

So, with all the changes on my network I seem to have forgotten all the basic information I have learned over time. I have my 3560 as the "core" switch/router running ospf. Everything works fine on the switch itself. But on port G0/21 is my ASA firew...

Hi I have a weird situation where the switch will start blocking/restrict ports due to port violation. The mac address causing the problem is associated with a completely different portThe access vlan on the switch is 100the voice vlan on the switch ...

Hi all,we are using 802.1x machine-authentication with EAP-TLS and dynamic VLAN-assignment.lets say a device is successful authenticated and VLAN DATA is assigned.After a time the Device is sending EAPOL logoff for any reason, and is silent from this...

I'm replacing my EOL Cisco 2811 router and from what I can tell the preferred replacement is the 2911.  I need it to have a serial interface, so my question is what module will work with the 2911 to give me a serial interface?

HI,We are going to implement Microsoft Lyncs 2013 in our network, so how to priorities the traffic for DSCP 46 and 34 in cisco 2960s switch. Kindly replay with detailed QoS commands for enabling QOs in LAN.ThanksSujish

Hello All - It is a conceptual question for which i need your help to understand the significance of the Primary & Secondary Role defined in Nexus VPCI learned VPC makes both the switches active (Dataplane) by LACP Etherchannel formed between the con...

Hello!In my network I need to use Q-IN-Q.Can I configure devices to using three (or more) tags?Thanks.