Switching

i am using below commands, but when i login via console, user with privilege 15 not able to get privilege mode... username cisco privilege 15 secret cisco123aaa authentication login CISCO group radius localaaa authentication login LOCAL localaaa auth...

I have a network with 3  2960 switch with 48 ports and since two weeks ago some ports stay with orange led not allowing the computers conected to use it. I  try changing the cable of the ports  with the problems and didn't work, in most of the case. ...

I am trying to formalize the best practices for hardening a Cisco only switch infrastructure but want to understand why each step is necessary, I have outlined the recommendations I have heard and the justifications for them as I understand it below,...

How many IP Helper (DHCP IP address) can I have on CISCO 2800 and 3800 series routers?

Hi Guys, I need help from the community to know when this Bug CSCu 42375 was First announced.When I search it gives me only the Last Modified date Apr 22,2015 - https://tools.cisco.com/bugsearch/bug/CSCug42375This bug is for N5k - Same "match cos" va...

Hi,I've got the following problem, I configured two nexus 5548 UP in one vpc domain. I am trying to make VPC (One port on each switch Port eth 1/8) to C3850. other side the two ports are configured for ether channel. I could see that only one port in...

My devices are currently running 15.4.1 and I need to upgrade to the latest IOS. Is there a suggested upgrade path or can I just jump to the latest version 15.5?

hey guys. So I'm doing a lab on Packet tracer for a class and I'm stuck in getting my Vlans to ping each other. I Have double checked all the settings and i am unable to find out why i can't get it to work. I would greatly appreciate any help! I am u...

Hello, I am new to the community and will need some help. I have a Cisco 891W Wireless Router which I would like to use at home. Switch is new and has not been programmed before.I would like to set up this router as additional router in home next to ...

Hello,  We have a cisco router provided and managed by our ISP. Recently we were allocated an additional /23 subnet, tagged to a vlan on a subinterface on the LAN side of the router. It is assigned an IP address. I assume that this enables it for int...

We are trying to configure a PBR with multiple tracking. We need to track local IP address and remote IP address and in the event of one (or both) of those two IPs not reachable, the PBR should stop working and traffic should follow the normal routin...

Question 1: R4(config)#ip pim rp-address 10.0.0.4 R4(config)#interface Loopback0 R4(config-if)#ip address 10.0.0.4 255.255.255.255 R4(config-if)#ip pim sparse-mode After configuring R4 as the Rendezvous Point, R4 started sending "RP-Reachable" fro...

Hello evreyone :)i have in my company Catalyst 2960 , and when i connect to the switch with ssh (useing putty), after 1 min +-the connection freeze , and i get a message "connection refused" , it's happens while i do stuff, it's working i mange to lo...