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Cisco Catalyst Center

This community is for technical, feature, configuration and deployment questions. For production dep...

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NFVIS Solutions

Join peers and Cisco experts to discuss Cisco’s Network Function Virtualization (NFV) products and s...

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SD-WAN and Cloud Networking

Join this community to interact with your peers and Cisco about SD-WAN and all things related to sec...

2506 Posts

Switching

Discuss Catalyst brand switches with peers and experts.

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ThousandEyes

Join us for information about our use cases, common troubleshooting, discussions, getting started gu...

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Activity in Networking

Strange show version status on Cisco C6509 device

Hello, I have a question because the value displayed in show version after firmware update is different from the existing value. This is the equipment in question.C6509-E, Catalyst 6500 Series Supervisor Engine 2T (IOS version: s2t54-adventerprisek9-...

dae0712 by Level 1
  • 51 Views
  • 3 replies
  • 0 Helpful votes

Resolved! get sla-class changing via api

Hi I want to get status of changing sla-classes via apiLike we have sla class parameters for sla-name VDI-VOIPLoss - 5%Latency - 10msJitter - 10msand we have sla class parameters for sla-name VDI-DATALoss - 10%Latency - 50msJitter - 20mswhen one chan...

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dijix1990 by VIP Alumni
  • 256 Views
  • 6 replies
  • 0 Helpful votes

Resolved! Cisco ISR4331 eigrp Interface PEER-TERMINATION received issue question

hello,I would like to ask a question about Cisco ISR4331 eigrp Interface PEER-TERMINATION received issue.   The interface connected between two different devices had a bandwidth of 100000 for A and a bandwidth of 10 for B. In conclusion, it was a mis...

dae0712 by Level 1
  • 77 Views
  • 2 replies
  • 0 Helpful votes

Password 6 setup for cisco 9200l

Hello Cisco community,  I have a Cisco 9200L.  For some reason, we have had no luck migrating from password 7 to password 6.  Each time I attempt config, it gives me an error.  I even tried a new switch for additional testing, but still gives same re...

Are always three copies of every packet sent?

Hello,What do you think cisco meant by the following?"Packet switching is a method of data transmission in which a message is broken into several parts, called packets, that are sent independently, in triplicate, over whatever route is optimum for ea...

a1111 by Level 1
  • 909 Views
  • 10 replies
  • 0 Helpful votes

Basic Layer 2 communication question.

I'm trying to fully understand the flow of L2 traffic.Lets say there are two or three intermediate l2 switches between me and my default gateway.If I understand correctly, l2 to l2 does not inspect the l3 headers, meaning the switches don't know what...

Cisco 8200 Throughput

The documentation states that unencrypted throughput is unthrottled and encrypted throughput is controlled by license. What does encrypted throughput mean in terms of the 8200 throughput license restriction? I've read the documentation and I'm still ...

emuman100 by Level 1
  • 248 Views
  • 6 replies
  • 0 Helpful votes

Catalyst Device Roles

Is there a way to create additional device roles in catalyst center? I want to create a device role call Voice gateways. The current roles does not fit our voice gateways devices. They are classified as either core or border router.

SDWAN Manager 20.15.3: startup fails

Hi, I try to deploy Cisco SDWAN Manager 20.15.3 on Azure. After the initial setup (data disk format and next steps) the Manager reboots but it does not start properly. I keep getting the following error in /var/log/nms/vmanage-server.log: 06-Jul-2025...

dbillon by Level 1
  • 106 Views
  • 0 replies
  • 0 Helpful votes

Setting up IP Phones not working with DHCP

Hello everyone.I am having trouble configuring IP phones with DHCP. Even though I have the pool and I can assign IPs via DHCP for all other VLANs, it seems that something is not working correctly in the case of VLAN-40, which is the one of the phones...

Lizzu by Community Member
  • 130 Views
  • 1 replies
  • 0 Helpful votes

GTM (big-IP) connected to new two router (two ISPs)

Hello, kindly i need your support as we connected GTM to discover global DNS from different two ISPs on two router each router have two VRFs, on first Router first VRF the main and second is the backup, on the second router the second VRF is the main...

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