Switching

Hi So i hade a issue that i hade a loop in the network. This ended effecting my remote sites that OSPF got knocked out as the ISP have a loop protection and noticed that one mac was in the WAN on 2 diffrent ports.  Well i would like not to go to my I...

Getting a log in my 3850 switch, need to know what does it mean as i have found nothing on cisco document.

We are using 2  3850 stacked switch ,the switch with higher priority suddenly reboot . We did not find any log helpful to find out the cause. What could be the causes for sudden rebooting? If anybody experience this with 3850 switch?How can  we preve...

I don't how to make PC0 Ping PC1 but deny PC1 Pinging PC0 using standard ACL. Any help would be appreciated. The Screenshot is attached below. 

Hello guys, I am trying to understand in 3750 switch how will behave with the below QoS configuration?The below configuration is for input marked traffic that is coming from a device (host) with the appropriate dscp priotiry in to the switch.For queu...

Hi guys, for example if I have 2 x different queue id's "qset-id" with each queue has 4 different threshold "queue-id".Also exists configuration for buffers. mls qos queue-set output 1 threshold 1 xx xx xx xxmls qos queue-set output 1 threshold 2 xx ...

Do you maybe have a how-to document/step by step instructions about how to upgrade a Catalyst 9300 switch using Restconf?Our customer wants to use Restconf to:    copy the software from the TFTP server to the switch and    start the software upgrade....

hello can anyone recommend an outdoor switch?  temps could very well reach -30 degress celsius. does cisco have any such product ?

Dear Team. I would seek your kind advise and help to resolve below issue which am facing. Am, configuring 10G SFP connection on Nexus switch (5672UP), the interface shows the status SFP validation failed and interface not getting up. I have changed S...

Hello Guys,I have an issue and i need your help if possible.I have 6 cisco Switches 2960 48 port and one 3750 core switch, one of the edge switches damaged i think the motherboard is corrupted.Somehow i need to replace it with SG220-50-K9-EU  .. Is t...

I am trying to setup the following.   When a company device plugs in to the network it authenticates using dot1x.   When a none company devices plugs in to the network it gets put on our guest vlan.  I almost have it except the IP address of the syst...

 I am currently trying to set up the gigabit ports. I need to have atleast 40 end devices. But these 2 ip addresses i entered for the gigabit ports are overlapping% 192.168.1.0 overlaps with GigabitEthernet0/0Can anyone explain why this is how to fox...

Hello,I have one N5K-5672UP and a few SVIs with IPv4/IPv6 public IPs, I want to have an ACL and apply that ACL to my UPLINKs and deny internet traffic towards SVIs, my question is when i do this then ACL is working before CoPP? my mean is how does pa...

I have two mobile server racks, each with a Cisco sg250. The switches have identical setups, with each port mapped to one of three vlans. The vlans are fully independent (I would have done three separate unmanaged switches instead if there was enough...