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Forum Posts
Whilst trying to add a new switch to an existing stack, the new switch keeps rebooting and on further inspection the reason was stated as ““sdm template mismatch”.Looking at an existing switch in comparison to the new switch it appears that the new s...
I'm a first-year college student, in my system When I try to ping PCs in other subnetworks it says 'destination host unreachable'. I tried to find the errors but idk what to do to fix this please help!
Resolved! Catalyst 9000 cross-stack EtherChannel
Can this design possible ?
Our company runs two 4503 as core switches and configured HSRP. One day the main core switch suddenly restarted.Please help analyze.show version content： Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASE-M), Version 15.1(2)S...
Hi all, Can help what is happen with this module? 00:24:16: %DIAG-SP-6-RUN_MINIMUM: Module 1: Running Minimal Diagnostics... 00:26:36: %DIAG-SP-3-MAJOR: Module 1: Online Diagnostics detected a Major Error. Please use 'show diagnostic result <target>'...
Hello We have Cisco 9500 with Essentials license but when I run "show license summary" see that license status is EVAL MODE, what should I do to activate it?Smart Licensing is ENABLEDRegistration:Status: UNREGISTEREDExport-Controlled Functionality: N...
Resolved! Stack Power Conflict, but where? 3750
the error messages are sayin Power conflict, but i can't see where that is? any ideas please? 3750X-CallFlex-111#sh stack-powerPower stack name: Powerstack-2Stack mode: Power sharingStack topology: RingSwitch 1:Power budget: 223Low port priority valu...
Hello, I have a few Cisco unmanaged switches (SG90D-08) and they have a problem "blocking network signal from another switches" when using the ethernet cable has 6 wires (3 pairs) for network and 2 wires (1 pair) for phone line.For Example :Juniper /...
Resolved! Dhcp snooping
If i have more than one vlan on switch can i make ip dhcp snooping on only one vlan of them and all another vlan on switch can take ip from my dhcp server or not for example :#ip dhcp snooping#ip dhcp snooping vlan 8 #interface f0/0#ip dhcp snooping ...
Resolved! 3850 install to bundle in one reload
Hi, Happy New Year! I was wondering if it is possible to change the boot mode from install mode to bundle mode without reloading twice (once to change the boot mode and again to upgrade). I ask because we have a fleet of 3850 stacks running 3.3.5SE w...
Resolved! Embedded Packet Capture (EPC) on Cisco4510R-E - Cisco IOS: What packets are punted to CPU?
Hi there,I have a Cisco WS-C4510R-E (MPC8548) running cat4500e-ipbasek9-mz.152-2.E8.bin image. I want to do an embedded packet capture on an interface. I'm aware whatever packets I capture will be sent to the CPU. However, I'd like to know exactly w...
Hi CommunityI'm stucked with QinQ. Let's say you have 1 router and 3 switches A,B and C which are connected in this order: RtoAtoBtoC. You have to remove the switch B and then your new diagram will be like this; RtoAtoC. Here you are the current port...
Hi guys, For a stig Checklist I need to be able to do: "#show interfaces switchport" and when I do that my trunk ports need to be non-negotiating. if I type switchport nonegotiate my port becomes suspended. Not sure why this would be happening. Any i...
Dear Brothers, I want to migrate an old switch 2960 to a stack switch 2960 x Series, but I faced an issue, for example: -->The port G1/0/12 of the OLD Switch configured like this: Switch-old(conf)# interface g1/0/12Switch-old(conf-inter)# spanning-tr...
Hello, I found Output Drops in some Interfaces in Cisco 2960 series and want to solve this.But when trying to type the command 'qos queue-softmax-multiplier 1200' , it doesn't work.I already try this command in other series, it works. Does anybody kn...
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