In a 2960 switch a user connected port is detected more entries of unknown mac addresses we checked the user PC entirely there is no suspicious software, and we also connected the user pc to a isolated switch and monitored no issues found what would ...
Forum Posts
Hi Everyone,I have a question inregards to the IOS commands on a CMICR Micro switch.When configuring the device I stumbled on some missing CLI commands, which in it's turn does not allow me to get Type 6 passwords. (Tried different IOS versions)Now a...
Hello,We have a home automation system running in our DMZ environment. Last week there was a planned power outage. But this power outage lasted longer than our UPS could handle. I can still reach all the systems connected to our home automation via p...
Resolved! Optics compatibility
Hi , 20 DCEF2T 4 port 40GE / 16 port 10GE WS-X6904-40G is the linecard of our existing distribution switch WS-6509-E. I am planning to upgrade all our access switches from 4510 to c9410 models and increase the uplink speed from 10G to 25G.Is SFP-10/2...
Cyber Security Problem Statement: Choose a university/college campus and analyze its network topology. Map the network using Cisco Packet Tracer and identify the security controls that are in place, such as network segmentation, intrusion detection s...
Hello,Since several month we observe issues with HSR ring in some locations.They just stop working without any reason or alert following it and the problem is not on all switches in the ring but only some.It happened for example yesterday and affecte...
Hi everyoneDue to the end of support of this sup "WS-X4516-10GE", I can't find any documents about VSS support.Can anyone share a document to hint me about thatTnx in advance
the cmd " interface vlan x " doesnt work .
We currently have some switches setup with all interfaces to go to a Radius server. We want to introduce a new Radius server, can we have different interfaces go to this new Radius server while leave some going to the current one?The only way I was ...
Resolved! C921-4P Subinterface support?
I wanted to ask if the router C921-4P has subinterface support? I dont see any mention of it in the manual. I love the price point. But wanted to find out if the subinterface support works on it. My objective will be to pass multiple vlans from the ...
I am trying to lock down some VLANs on a Cisco Cataylst 3850 with IOS XE 16.12.9 GibraltarI need vlan 101 to talk to 102 and 103 and get out to the internetI need 103 to only talk to 101 and 102 with no internetI tried to apply this ACL to 103 but ca...
Which rule does the DHCP server use when there is an IP address conflict?A. The address is removed from the pool until the conflict is resolved.B. The address remains in the pool until the conflict is resolved.C. Only the IP detected by Gratuitous AR...
Hi AllHas anyone reported issues with Cisco 9606R chassis, running Amsterdam 17.3.1 software and WhatsUp Gold Netflow.The switch appears to be sending flows fine, but the software doesn't appear to show them, even though a packet capture on the serve...
Hi we have a 3850 which fails to boot I can see the files on the flash however it is read only so can't make any changes. If I boot from USB switch performs firmware upgrades but then fails to boot have tried booting numerous times from USB. Tried e...
Hi all, I have a problem with the PoE extender we intend to purchase for a project.When I connect this to a 3560/70 or even 2960 switches, the below logs are showing; It is working fine with cisco small business model switches.*Mar 2 02:21:14.205:...
