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
Hello, I've spent about 2 weeks reading threads on this subject but I've yet to find what solves my issue. We recently have an issue where our VLAN1 stopped doing DHCP, well, not entirely. Sometimes it takes a long time for an IP to be issued, or n...
Hello. I bought a SG300 52p K9 but the acronym POE does not appear in the name of the switch. Does this switch have POE by default or does it have to mention it in the name?Thanks
I've a C9300 (L2) with Port-Channel to C9500.WIth command "show mac address" I see the same dynamic CISCO MAC-address on all VLANs of this port-channel.But when I look on the C9500 I do not see this MAC-address.I've same configuration in our 2nd data...
Hello,I'm on a campus with six separate layer 3 networks sharing a core switch. All VLANs are on the core switch but only specific VLANs are designated to specific locations. I currently have devices in one location that I would like to connect to V...
Hello,I'm having an issue with some switches where the hardware clock either does not set at all, or does not retain the set time after reload. This issue is present on two switches:C1000-8P-2G-L, IOS 15.2(2)E7WS-C2960X-48FPD-L, IOS 15.2(2)E7On the 1...
I have a corestack of 2 switches that are currently Stackwise Virtual. and running a Fuji (16.9.4) code. I am looking to upgrade these to Amsterdam (17.3.6) using the ISSU procedure. However i am concerned about 2 things: a) is it safe and smooth to...
We have a weird issue with one of our Cisco C9200L-48P-4x switches running SW Version 17.06.04, We tend to build all our switches from a template and have other 9200 switches running fine.But the problem we are having is that the switch cannot route...
Hello Guys, I'm trying to configure 6 brand new Catalyst 9300 in stack. But I'm not able to access the privileged exec via console. For some reason they request enable password. I've configured multiple 9300 before but the never requested password du...
Hello Team, Please help us to get the information about how to configure external/remote PTP servers on Cisco IE 4000 switch
Hi there,I implemented MACsec von two C9200 Switches like this on both sides:interface TenGigabitEthernet1/1/1description Uplink to C9200switchport trunk allowed vlan 10,11,12switchport mode trunkmacsec network-linkmka policy mkapolicymka pre-shared-...
Current FW: c2960x-universalk9-mz.150-2.EX5.binUpgrading to: c2960x-universalk9-mz.152-7.E7.binI copied the new FW to all the switches. I then configured them to all use the new firmware (boot system switch all flash:/c2960x-universalk9-mz.152-7.E...
Hi, we have 4x48port (all 1G ports without 10g port uplink) access layer switches and need to connect them the core switches. can anyone please advise how many uplink should be bundled together as the best practice ? 4 x uplinks or just need 2x uplin...
Switch Ports Model SW Version SW Image------ ----- ----- ---------- ----------* 1 30 WS-C2960X-24PS-L 15.2(7)E8 C2960X-UNIVERSALK9-MCisco switch catalyst 2960-X ...
Good morning, I'm new to and working on Catalyst 9xxx Switches. When I debug, I would like to visualize the frames that circulate on a VLAN. For example to know if a PC is communicating well with a remote server. For example, I would like to know if ...
Hi All, In the middle of a large (250+) 9300L switch refresh project for one of my customers and have noticed that on some of the new switch stacks, active, standby or member switches randomly reboot?Troubleshooting has lead to the stacking cables / ...
