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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...

HiWe recently built a new VXLAN topology in our datacenter which is pretty much like a Leaf-and-Spine. Strange issues happen during our laboratory testing and that's why I decided to explain what we did. Hope somebody here may have some clue as for w...

ss1 by Level 1
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Hello. I am planning to create a stack, between an existing and new 3850. I would like to know, if I have to configure the new switch with (e.g. SSH, SNMP, switchport access, etc), or does SSO makes it possible for the new switch to use the existing ...

    After switch bootup ZTP is not getting started.  I have below ISC-DHCP Settings and ZTP-poap config file. I am not seeing the guestshell  getting started during ZTP. Anyone faced similar situation.      Installed CAT3K_CAA-UNIVERSALK9-M Version 1...

Hello I'm stuck with asa-5516 configuration hope someone will be able to help me. ISP provides me external subnet with several IP's.Some address are used as external IP for local subnet - NAT and it works fine.But I  need to establish 5 VPN tunnels. ...

I have systems in VLAN10 and VLAN20 which can talk inside their networks, but not to each other which is how I want, but I have a server (10.10.30.100) which I need all machines, on both VLANs, to be able to access as it'll be a kind of DNS server. I...

GodPole by Level 1
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Hello,I have a switch stack 3750E which is VTP server and there are other switches connected from this stack. Other switches are VTP client but one of them is on the different domain than the VTP server. That switch has VLAN configured but I wanted t...

Upgraded the iOS on all my switches. After this upgrade the data loggers can no loggers can no longer backup data. We also have recently begin using Solarwinds throughout of the network. Does anyone know if these to items could have affected the logg...

abarb002 by Level 1
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We have some serious problems with Cisco branded SFPs GLC-T not locking in the slots of the module N55-M16UP in a Nexus 5548. The SFPs are just sliding out and is not locking inside the slot, is this a general problem with the module, anyone else had...

lanab by Level 1
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What is vx sensor on Catalyst 9400 bellow. 9410R#sh environmentNumber of Critical alarms: 0Number of Major alarms: 0Number of Minor alarms: 0Slot Sensor Current State Reading Threshold(Minor,Major,Critical,Shutdown)---------- -------------- ---------...

I'm trying to plan for a server that will be running 4 VMs. While I was contemplating the way I would have it work, I realized I needed each VM to be on a different VLAN. From what I understand, I could set up the port it's attached to on the switch ...

ElQueue by Level 1
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  • 1 replies
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Hi, I am fairly new at configuring networks. I have been trying to get this network design to work in packet tracer and I can not for some reason figure out where I went wrong. I am mostly working on the areas with the two core switches. I can ping u...

Kris122 by Level 1
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Hi.The switch is a 3750 and I have issued a "no ip routing" command. I'm using an OpenBSD 6.6 machine for intervlan routing and I'm trying to rule out if my problem is in the 3750's configuration or in OpenBSD's. spanning-tree mode pvst spanning-tree...

tman904 by Level 1
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