Switching

We have got problems with one of our Cisco SGE2010p 48-port Gigabit Switch. If one host sends data, it will be replicated (and can be sniffed) on every single port. If we have heavy traffic on the device (for example backup) then other services maybe...

Hi,On one of our N7K, we have some packets dropped by the COPP policy in the class-default class-map. :Partial results of "show policy-map interface control-plane" not so long after clearing the counters :class-map class-default (match-any)      set ...

HiI want test FW infrastracture using a cat4500.The firewall trust site is vlan 111 and the untrust site is vlan 222. I use two linux boxes for testing, and one in vlan 111, another one in vlan 222. and they are all connect to a cat4500 switch, which...

Is anyone seeing any strange issues with Cisco 3850 switches.Issue With Basic L2 Forwarding itself.?Host1 in VlanA could not connect to Host2 on VlanA if the L2 path is via 3850.This issue is intermittent and is resolved if a Clear ARP is done for Ho...

We just upgraded one of our offices to new Cisco Catalyst 3750 switches. The next morning, two users said that it took an abnormally long time to load their computers and they experienced connection issues at first, but it eventually came back on lin...

I am setting up a ASA HA active passive implimentation with 4 Nexus 5596 on 2 physical locations for a customer.of the 4 Nexuses, only 1 have SVI's for all VLAN's and is the default gateway for all servers and clients, and no HSRP is configured. (don...

Any Idea What is this error message all about.   M2-CCTV-DS(config)#int port-channel 10int port-channel 10                 ^% Invalid input detected at '^' marker. M2-CCTV-DS(config)#May 23 13:06:13: EthChnl assert failure: ag == NULL: ../switch/pagp...

Platform is a WS-C2960-48TC-L. Began by troubleshooting CRC errors on our COO's drop. Interface configuration is a Fa port that was forced 100 Full. He was still getting errors after I replaced both the drop and patch cord. To rule out premise wiring...

Hey guys, so i have HSRP configured on two routers and its working just fine, the thing is the two routers are connected to a switch and i have two pcs connected (Pcs running PBX) to the switch. I want to configure NAT portforwarding so that when the...

We started using Cisco 3850 switches. We are seeing unknown protocol drops on 10gb and 1gb uplinks. We have 3750x switches that have the same config. The 3750s are not showing these drops. What would cause these unknown protocol drops? It does not ap...

Hello, I have got new 3750 e-series which has universal image installed on it. I need to put this switch in stackwise with non-e-series 3750. The problem is that non-e-series are running IP BASE IOS and I wanted to put the same IOS on 3750 e-series. ...

Greetings all,I'm not so skilled in catos configuration so it would be really great if anybody can write his/her opinion about my configuration as I dont have any oportunity to test it before implementation.My task is to upgrade existing port channel...

 I have some problems about replace linecard on Coreswitch 4507I use WS-X4648-RJ45V+E  beforeand i replace with WS-X4648-RJ45-E.Configuration on this linecard is gone. What happen about this problem.?If anyone ever found this problem.  Please share y...