Switching

Hi we are replacing 3750's with 3650's and the ports on the new switches are behaving a bit strange.End devices that worked fine on 3750's are having connectivity issues on the 3650'sSee below output from a 3650How can the port be running at half dup...

I've read various posts about Resilient Ethernet Protocol (REP) sizing limitations (such as "Maximum nodes in a REP segment?"), which all talk about various numbers of Nodes per REP Segment/Ring - 16, 32 and up to 100 - as being tested, but with no h...

Hi  Can anyone assist me with this pls. We are using WS-C3850-48P. I got this error " CONTROLLER_PORT_ERR" on all the interface. I can t get the ports back up. What us causing this problem ? Is this a BUG regardsruan

I want to conf this SW to monitor network traffic. I have a small network with about 25 users, and the network is always too slow because of excess downloading. My internet comes in to an ADSL modem, then from the modem to my switch. it then leaves t...

Hi,I would like to upgrade a 3850 stack from version 3.2.3.SE to 3.3.5.SE using ISSU.  I can't seem to find any documentation showing the upgrade path for ISSU.  According to Cisco Feature Navigator, NSF/SSO (Nonstop Forwarding with Stateful Switchov...

Dear Sir,We have SG500 Series switches to be installed and need to confirm which SFP is compatible to install for this switches:GLC-LH-SM    OR   MGBLX1Regards,Moh'd Mustafa

Hi Folks ,We are facing high cpu (always 99%) in our cisco 4506-E switches. Then found that huge ipv6 multicast packets are hitting to switch CPU. Index 1:36 days 18:9:45:440850 - RxVlan: 102, RxPort: Te1/1Priority: Normal, Tag: Dot1Q Tag, Event: 21,...

What Is The Difference Between Cat 5, Cat 5e, and Cat 6 Cable? Please define with speed and length.

Hi,I have a c2821 router with a NME-16ES-1G-P installed.  My laptop is connected to port Gi1/0/1 and is setup to enter sleep mode after two hours; after it has gone to sleep more often that not it cannot connect to the switch and ends up with an Auto...

In a home environment I have a Cisco EPC3925 conneected to a residential 3Com 10/100mbit Switch with a patch cable.A PC connected also with a patch cable negotiate 100mbit with the Switch but between PC and Cisco Cable Router I only have 6mbit even t...

I got EPC3925 this from my ISP for WiFi, TV and phone. It has a USB port, and the documentation lacks info how it can be used.Even a fat32 usb is not visible on the network. Does anyone know how it can be used as a network printserver? Cisco, please ...

Hello All, I wasn't sure where to post this question, but we'll start here and see what happens. I'm interested in furthering my knowledge of networking and Cisco equipment with the eventual goal of achieving a CCNA Routing and Switching Certificatio...

I have a switch model WS-C3850-24P but i need only work in layer 2, I can not force it to work wellI could help? License Level: IpbaseLicense Type: PermanentNext reload license Level: Ipbase Regards.  

Can some one help me find the upgrade procedure for a 3560-x?I'm going from 12.2x to 12.2.55The 3560-x page says upgrade but when I go to it, it only has docs in there for hardware and install docs. Or if there is an easier way to do it with a flash ...