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...
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Hello,I have this setup running, and I tried to convert one of our physical links to the operator's router to trunk ports (the red link in the picture, earlier it was access port too).What happened after this is that the VLAN10 went into blocking m...
Resolved! Cisco IE4010 NTP issue
Switch is unable to sync with NTP serverSW01#sh ntp packetsNtp In packets : 0Ntp Out packets : 222Ntp bad version packets : 0Ntp protocol error packets : 0SW01#show ntp statusClock is unsynchronized, stratum 16, no reference clocknominal freq is 286....
I was wondering if the DIN rail mounting bracket comes included with the IE3100 network switch or if needs to be purchased separately. What type of DIN rails are used on the bracket?Thanks!IE3100, Network Switch, DIN Rail
Hi everyone,I am looking for some very basic information how redundant PSUs on Cisco devices are handled.I could read that the power could be configured to work in redundant or combined mode.We specifically have IR8340 router with 150W AV PSU.For the...
Hello,I would like to know the procedure for setting up software stacking between Catalyst 1200/1300 and CBS 350 switches.Is there an official guide or specific recommendations for configuring this interconnection optimally (e.g., virtual stacking, L...
I am having stack of two WS-C3850-24U-E with 16.12.7 version, IP services enabled and smart licensing enabled on it now i want to add spare switch WS-C3850-24U-S with ipbase services enabled. Please see below steps which i will use and let me know i...
Resolved! Maximum VLANs Supported in PVST+
Hi Team, Is there a maximum number of VLANs when using PVST+ on Catalyst 9407R and/or on Catalyst 9300/9200 series? I couldn’t find any datasheet addressing this point. Does this mean there is no limitation? If we assume that in PVST+, each VLAN crea...
To whom it may concern, i have installed DNA and license to cisco 9500 series switch but, in my estimation, will it not work after april month of 2025 my confession is this that after expiring the license date of DNA/Network advantages or internet ce...
Hi EveryoneI have a question that I should check boot loader and image before update switch 2960-X.I try search in release note version image but not found aboute minimun version boot loader with image.Where can I find this information? Thank You
Hello, everyone. Here is my topology (the links between the switches are trunks): I've configured RSPAN on SW1 and SW3. SW1(config)#vlan 100 SW1(config-vlan)#remote-span SW1(config-vlan)#exit SW1(config)#monitor session 1 source interface G0/2 SW...
Hi AllI have configured a port-channel to span across 2 x Nexus 9508sinterface port-channel333switchportswitchport mode trunkswitchport trunk allowed vlan 1041-1043vpc 333interface Ethernet1/42description SAN_203-6switchportswitchport mode trunkswitc...
Hello Everyone, My DNAC instance is reporting high input/output errors for every single 9300 i have in inventory for interface AppGigabitEthernet1/0/1. We don't even use Application hosting on these platforms so why does DNAC report on the errors? Do...
I’m facing a strange issue with VLAN tagging on trunk ports after a power fluctuation. The setup includes multiple Cisco switches (mainly Catalyst series), with VLANs properly configured and trunk links established.Issue: After a brief power fluctuat...
Resolved! Cisco 3850 activate ipservices license
I have 2 3850 stacked switches running on ipbase license. I want to activate ipservices on both the switches. How can I achieve it? When I issued license-right-to-use detail, I can see that ipservices peirod left is lifetime and state is not acti...
