Switching

HiI have a live system which is failing I have set up a test system replicating the live system, consisting of 2 x 3750G's.A 3750G (Remote) connected to another 3750G (Host) with the following configurationAll switches are Version 12.2(55)SE12 interf...

In a stack with 6 C9200L members, we have the need of replace one member for a issue with some ports.The problem is that:The actual model in the stack is C9200L-48P-4X and the temporary replacement switch is C9200L-48P-4G all with the same version of...

Hi, May I know how to 'fix the connection' from each switch going towards the next gateway to be permanent?Means if there is a router 1 and router 2, the switch will always use router 1 (same path) for connections originated from the same host.Someth...

HiI'm trying to upgrade catalyst 2960S-48TD-L switch from version 12.2 to 15.2.2E9(MD). What's the recommended upgrade path for this version ? Can I go directly from 12.2 to 15.2.2E9(MD) or I have to first upgrade to some intermediate versions ? Than...

My company have a leaf switch but all interfaces are down due to unknown reason,what can be the the problem?thanks

I have Cisco 2960 switch & I am going to use MST for spanning tree Below is the configuration spanning-tree mst configuration name TEST-MST revision 1 instance 1 vlan 101 instance 1 vlan 102 I have 2 VLANS & I want to add both the VLANs into instance...

HiHow do I remove the host/on-boarding config from a interface that is part of a fabric.I want to remove a switch from my fabric but cannot do so until all interface configuration has been removed.

I have two data centers.  My main data center MPLS router has the default-originate statement, in BGP, to send out the default route to all of my MPLS sites.  I'd like to setup failover, in case this DC becomes unavailable.  What would be the best pr...

I have two Cisco 9K's configured in a VPC domain and using HSRP on my SVI's and I keep seeing this error on the VLANs: 2020 Aug 2 20:03:02 EST: %ARP-4-OWN_SRCMAC: arp [13964] Received packet with a local source MAC address (0462.73b0.3975) from 10.10...

Hi Experts, seek some help here with respect to QOS on some advance platforms such as 4500/6500/6800 - 1. I understand that these platform have significant difference compare to MLS that runs on 3750s. these platform just do not support MLS anymore. ...

Currently we are in the process of migrating our legacy 7k/5k/2k environment to VXLAN EVPN.  We have our 7k enviornment connected to two border gateways.  We are connected at layer 2 (VPC) and layer3 (BGP).  We have a desire to move SVI's before we m...

Can I stack a Cisco Layer 2 Switch and Layer 3 Switch together? I have a Cisco 2960-X (Layer 2 Switch)  and 3750(Layer 3 Switch), can I make a stack of these two switches? 

Dear all I have two 3650 switch and they are configuring SNMP services to monitor status port. But They often alert "down snmp traffic". Then I checked switch log which show "drop packet snmp". like image, I attached it below Anyone can help me about...