Cisco Catalyst Center
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2135 PostsActivity in Networking
IE3400 Heavy Duty Series Uplink Network Configuration
I have a new project that we are considering to use IE3400 Heavy Duty series switches to support the remote field sites. I have few design questions:Our network architecture includes a main hub site with core switches (standard Cat-9500 stack) and 22...
My Cisco Nexus Swith 6001 is stuck in bash mode
My Cisco Nexus Swith 6001 is stuck in bash mode and giving below error.system is coming up.....please wait.......This issue happens after power outage happened. We have reboot switch many times and used multiple username/passwords but its not appeari...
cisco 4507R ARP Issues
The VLANIF of the core switch acts as the gateway for client. The Client is unable to obtain the gateway IP, but by manually adding ARP, it can communicate with the gateway. The core switch has the correct MAC and ARP information for the client, a...
SSID not discoverable by laptop in Packet Tracer
We have configured two Lightweight Access Points using a 3504 WLC. Both access points are connected to the WLC, and have been assigned IP addresses through DHCP from the WLC. Both also state they are providing the WLAN we created. Authentication for ...
DCNM error- you selected a row that can't be licensed
Hi all,Any help here is appreciated. in DCNM switches/ VDCs license state says ''switch model unknown '' When we try to assign I get this error-you selected a row that can't be licensed we believe License of DCNM is included in the package
Why VLANs are not being shown?
Greetings!So I was practicing to configure VTP and VLANs. For a start, I created 3 switches (only 2 being turned on). The trunks are working fine as the switches are able to acquire an IP addresses via dhcp from a dedicated router and vtp appears to ...
how to onboard the SDA Fabric Edge which is using stackwise virtual
Hi , Thank you so much . Does anyone have any idea how to onboard the stackwise virtual into fabric , as of today LAN automation is not supported.Im thinking of below approach , really appreciate your valuable suggestions. 1> Manually configure the...
mls-qos configuration migration from c2960 to c9200
Hello Members,We are refreshing 2960 hardware with 9200 switches.We have the below mls qos configuration on 2960 switches2960 Global configuration :mls qos map cos-dscp 0 8 16 24 32 46 48 56mls qos srr-queue output cos-map queue 1 threshold 3 5mls qo...
StackWise-Virtual MGMT port mac flap
Configure StackWise-Virtual to configure the Mgmt port as shown in the picture.However, sometimes I couldn't communicate with the Mgmt IP, so I monitored it.Normally, the MAC comes from MGMT L2_1, but when communication is not possible, the MAC comes...
Resolved! Vlan trunk protocol vs IP protocol
I got a doubt about trunking protocol on switches which puts in communication different vlan, and a L3 device with its gateway IP protocol <span;>which puts in communication different networks.1st. QuestionFirst of all even if maybe is a silly quest...
Only one IPv6 link local unicast address is possible per interface?
Hi, members! 1. I met the following sentence. Is it true or false ? " Only one IPv6 link local unicast address is possible per interface " 2. Can some Cisco devices have the secondary IPv6 link local address on an interface ? I already read the...
Catalyst 4500 with SUP7L deny power to poe ports
Hi to all,i am facing a strange issue with poe devices on a Cat 4500 with SUP7L and the WS-X4648-RJ45V+E card.When we disconnect a poe device from the switch and we plug int again , the device gets in power deny state.And if we plug this device to a...
SDA devices - removed commands keep showing up
Dear all,I have a reoccurring issue, where commands I manually remove from SDA devices keep showing up.I want to disable "snmp-trap enable traps syslog" on the devices. The first time I tried to do this via applying a template through network profile...
Migrate subnet into SD Access
HiI am testing migrating a subnet into SD Access. I have a subnet routed outside my fabric and I have a device inside my fabric on that subnet routed by the external gateway by handing off the address pool on a L2 VN. This all works fine.I now want...
SD-WAN vEdge can't ping vBond
We have a Cisco hosted SD-WAN fabric in a shared environment meaning we are a tenant that uses shared control components. There is a c8000v hosted in AWS that we onboarded and has active control connections to vBond and vManage. For some reason I'm n...
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