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  ...

can AC adapter with 12V 1.5A work OK with Cisto RVS4000 router?

Greetings,We have a Cisco RVS4000 working perfectly.  We also have 2 spares -- one used and one new.We ended up with a spare AC adapter from another manufacturer:  it's rated at 12V and 1.5A .The original AC adapter that came with the RVS4000 is rate...

LED flashing Cisco 2802i

I have Cisco 2802i-e-k9 and after boot its flashing Green,blue,red slowly and it doesn't broadcast ssid. What is the problém? 

CX Cloud Registration Error

Hi there, Our customer is trying to register at http://cx.cisco.com/activate but he's facing the message: "Account Creation Not Allowed - You do not have sufficient access to create a CX Cloud account. If you are using a public email domain, try usin...

Random 'Welcome to Webex' invite

Hello all,The company I work for started using Contact Center about a year ago and recently, when calls are accepted by our IT Team, a 'Welcome to Webex' invite gets sent out via the webex_comm@webex.com address to the caller that is calling.It shows...

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?

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....

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...

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...