Technology and Support

3504 HA SSO sequence

My wireless knowledge is poor, so please bear with me.Our organisation has two 3504 WLCs providing wireless access to business critical endpoints. The 3504s are connected directly via their redundancy ports. The four GigE ports of each WLC are connec...

launch Failed

DMVPN Hub priorities

Hi AllI have configured a backup DMVPN hub in our environment (single cloud), I expect all the queries, nhrp redirects etc to come from the primary one as I have configured a lower priority on the backup one, hub 1 is default 0 and the backup is 100....

Enabling Internet Access to Voice VLAN

What is going to be the easiest way to grant internet access to Voice VLAN on a Cisco 9200L?

DevNet Sandbox Down Since Yesterday — Any ETA for Service Restoration?

Hi Team,I have been trying to access the Cisco DevNet Sandbox since yesterday, but I keep receiving an error message. Could you please confirm if there is any ongoing maintenance activity and provide an estimated timeline for when the service will be...

Isolated VLAN That Requires Internet Access Only

I am looking to find out the proper configuration for three ports on two 3750X switches to have an isolated network / VLAN that will NOT talk to any other network / VLAN in my environment and only needs internet access. I have two interfaces on one s...

VLAN MTU on C9500-48Y4C (High performance) vs 4500-X

I'm migrating from a 4500-X VSS pair to a pair of C9500-48Y4C's.In the old config, here are some specifics:4500X#sh system mtuGlobal Ethernet MTU is 1500 bytes.under "show run" here's the vlan config:!vlan 3708name Prod-2mtu 9000! 4500X#sh vlan3708  ...

Loop L2-Migration Legacy FabricPath to ACI

Hi Community,Need your help to solve this issue. I've read many manuals but no way out.I want to migrate a legacy network running with Cisco Nexus switches and FEXes to ACI Multi-Pod, VLAN by VLAN. For visualization, please see plan below.  BD=EPG=VL...

Configure Port-channel between to remote sites

I have a question about this — I’d like to know if it’s considered good practice or good design to configure a port-channel between two buildings that are interconnected by two dark fibers. One fiber has a distance of 10.5 kilometers (~6.5 miles) and...

Cisco Catalyst Center: Switching Features & Thousand Eyes Integration

This series focuses on Catalyst Center and Cat9K switches. The journey starts with the onboarding and continues with monitoring, management and configuration options. Our experts will discuss capabilities of current Catalyst Center version and will ...

cisco sdwan branch routers migration from 4321 to 8200 series

hi  We have recently purchased new 8200 to replace EOL cisco 4321. We intend to have the same existing configuration on the new 8200 device by posibly reusing all the configured device templates and feature templates.  is there a way to change only t...

1541i APs failing, PoE only no ethernet

HiWe have been getting failures of 1542i AP for a while but though it was an environment issue but we are getting more and more failing now and some are not in a bad environment.  When they fail the switch shows the port down, PoE shows as ieee PD.  ...