Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Resolved! 2960 XL and no L2protocol command
Hi All, I'm hoping to configure a port as a l2protocol-tunnel. I don't see the command available when using question mark on a switchport mode access port. Can a 2960 XL running 15.2 utilize l2protocol tunnels?
For ISE Posture Redirect_ ACL under web redirection not working in switch 2960S, X,XR model. Endpoints getting stuck in unknown policy.
Resolved! Difference between CPLD, FPGA and ROMMON
Hello there,For reference, I am using the "Release Notes for Cisco Catalyst 9400 series Switches, Cisco IOS XE Cupertino 17.9.x Upgrading the Switch Software".I will be upgrading our 9407 from IOS-XE 16.12.8 to 17.9.4. From what I've been able to see...
Hi All, Show cdp neighbor details show that it is communicating via Vlan 7(192.168.1.x). From my checking, this vlan is not in use and client is asking if we can strip off. But since the CDP neighbor is somehow getting this IP address, I am kind of...
Hello Cisco Community,We have a small network consists of five Cisco C9200L-48P-4G switches, of which one is the core switch and the rest are access switches. TP Link Omada Controller_F03453 is used as a controller and TP Link access points as access...
Resolved! Cisco 3560 L2 or L3?
Is there a simple way to really verify that the cisco 3560 is a layer 2 or layer 3 switch? or is it actually dependent upon the ios image that it's running?Switch model number is WS-C3560-48PS-SThanks.
Resolved! C9606 quad upgrade.
Hi Guys, We have 9606 running active-standby and each box has 2 supervisor 1. Currently running version 17.2.1 and planning to upgrade to latest 17.9.5. I know that complete reboot using install command would be the best, however we would like to mi...
I got on DNAC the following certificate error on a few Catalyst 9300 switches:"the following certificates were part of the certificate chain sent by the remote host, but contain hashes that are considered to be weak subject""An SSL certificate in the...
Resolved! How can VLANs communicate?
Dears Cisco Community,On cisco packet tracer need help how to VLANs can communicate ping or share or printing, I already have this basic configuration : dan-crb>sh vlan briefVLAN Name Status Ports---- -------------------------------- --------- -----...
2960-X: When I do show logging, a message log appears at the very begginingLog Buffer (4096 bytes):*Mar 1 00:00:24.036: Read env variable - LICENSE_BOOT_LEVEL =Mar 30 01:27:38.150: %IOS_LICENSE_IMAGE_APPLICATION-6-LICENSE_LEVEL: Module name = c2960x_...
Resolved! DHCP Snooping database question
I have DHCP Snooping configured with SG and DAI.I have the Snooping database saved to a remote server.Everything is working fine for the most part but I had inadvertently deleted the ip dhcp snooping vlan command from my config. Once I put the comman...
Currently running Openssh version 9.1 on latest release of NX OS nxos64-cs.10.4.3.F.bin. Does anyone know if Cisco is going to upgrade to Openssh version 9.6 or better anytime soon? Our current ACAS scanner is reporting the out-of-date version.
Hello and sorry for my english,I have all switch connect to Cisco 3850. I have also physicals servers and Wmware.When i ping from servers, physical or not the gateway who is on C3850, the latency is very high, it can be 1ms and next 50ms, next 100ms,...
I have two 9500's in virtual stackwise setup. Stackwise links are twe1/0/27 and 28. When I plug the 40Gb cable into 1/0/27 on switch 1, I get the following errors from console: Jun 20 16:18:58.480: %NIF_MGR-6-PORT_CONNECTION_STATUS_CHANGE: Chassis 1 ...
Resolved! Nexus 93180YC UPGRADE
Hi, I am interested in upgrading our Nexuses Nexus 93180YC-EX Switch Version 7.0(3)I7(5)to the recommended versionnxos64-cs.10.3.5.M.bin Can I upgrade directly or go through an intermediate version Thanks
