Switching

Greetings,We are experiencing  port security violations from the  one lappy mac-addresses.  Please review the technical information below and let me know if you have any insight.int f1/2 switchport switchport access vlan 100 switchport mode access sw...

Has anyone written any kind of scripts/automation to audit a NXOS FP domain and ensure CU vlans are properly configured? 

Hello, I bought nexus 3064-T switch for studying of copper-based 10G ethernet deployment recently.There are five VLANs in a switch - VLAN 1(default), VLAN 10, VLAN 20, VLAN 30 and VLAN 40and assigned every ports to VLAN 10 ~ 40,There's no physical ro...

Hello all. I have setup a few trunks before between Cisco ASA5505 and CISCO 1252 access points, with no problem... However this one will not work for some reason, and I have been unable to find out why.. If I put the port into Access Mode, I am able ...

We have configured all of our switches to send their syslogs to our What's Up! Gold syslog server. Unfortunately, the logs are getting swamped by tons of link-status up/down messages almost all of which are from a bunch of Alertus beacons that cycle ...

Hello,I apologize in advance if this is the incorrect community to post in.I work for Isilon (EMC) and have a customer that is attempting to use a Cisco 5k and a Cisco 7k switch  with a Nexus 2k fabric extender.When attempting to use the fabric exten...

We are trying to configure a Cisco SF300-48P so that when we plug in a specific manufactures device the port is set to a specific VLAN.We have configured mac address groups and assigned the groups to the required VLANs but when we plug the devices in...

Hi all We have a Cisco ESW-520-8P- K9 POE switch that i would like to use for my IP security cameras and each of them require 7.5watts. I have noticed within the configuration of the switch you can nominate how much power goes to each port and as a d...

HiI've started studying for the CCNA and used Packet Tracer today to build a network and play with the features.I've attached a screenshot of the area where I found a problem and I was hoping for some help to trouble shoot it.The issue is I can’t' pi...

I just bought a bunch of 3850 switches but am having a problem getting them to recognize the SFP module. When I insert the module I get the following error:*Jun 10 05:39:29.019 EDT: %PLATFORM_PM-6-MODULE_ERRDISABLE: The inserted SFP module with inter...

I need to upgrade Cisco 2960S Stackable IOS this week. But before I want to know what is the process used. HSP_TRSF_SWPB_E3#show processes cpu | include HULC  54           0         1          0  0.00%  0.00%  0.00%   0 HULC ACL Tcam Me  63          ...

Hi All, Simple question. I have two switches connected via 1Gb link. They are running rapid pvstp. The layer 2 topology is the one below depicted.I now need to upgrade the connection with a 10Gb link, keeping the 1 Gb link for backup. My question is:...