Switching

Hi, I trying to find the correct CCC cert to ship a C9300L-24T-4X to Shanghai. I can get the cert from the PDTCNC portal for the correct model, but the switch was made in Vietnam and the only CCC cert available states Name and Location of the Factory...

An electrician blew-up one of the Industrial Ethernet Access Switches (IE-1000-8P2S), by dropping a live wire onto the back of an industrial site patch panel, causing sparks and a power trip-out.I know there are MOV-based devices to protect from ligh...

After some more troubleshooting, it seems this ended up being an error with the end devices and not sending proper Power Negotiation, when we moved a port that was reporting getting 30 watts to one that reported 15.4 watts, that port then changed to ...

First post and I don't know if I did it in the correct place but, when running the command :set platform software trace chassis-manager switch 1 r0 re_poe verbose. I am receiving % Error : internal error in setting the trace level. Any tips? 

Hello i have a :C8500L-8S4X  connect to NCS540-CISCO   so my problem i can't ping sub-interface from this router to sub-interface NCS540 ,   so please how i can resolve this problem that i can ping to sub-interfce point-point NCS540 CISCO so you wil ...

Team,   Good Afternoon to you all. We have recently configured EtherChannel between the Cisco and Huawei switch and it is not up but err-disable, We tried to configure the command "spanning-tree bpdufilter enable" in the interface port channel and th...

hello,i have C9300-24UX with C9300-NM-8X, version 17.06.02for some reason i cannot use any of the interfaces te1/1/1-4 ?  i test the same infrustructure with the same sfp+ at port te1/1/5 and everything works fine .... (SFP-10GBase-SR), also make a c...

I have 29 quantities of sf300 as L2 switch and one SG 500(L3), all inter-vlans routing through SG500, but recently I saw some pings drop on inter VLAN(after 100 more computers added on network), there is no issue with same VLAN. In inter VLAN ping ti...

i am losing ssh access to our cisco 95k distribution switches occationaly . login is via aaa with mfa .  sometime we are not able to ssh into the device . after 1 or 2 days briefly we will get the access but again we will lose the connectivity . what...