Switching

I have two 3850 in stack, these are in mode install. i need upgrade to the version 3.3.0, how do i upgrade these switch?

Hi,I have a SM-32A module installed in slot 1 in a Cisco 3925 router to act as a terminal server providing reverse telnet sessions to various other device console ports. My understanding is that the ports on the SM-32A are referenced as "slot/port" -...

Hi all,After upgrading a 1921 (C1900-UNIVERSALK9-M) from 15.1(4)M4 to 15.2(4)M6, when issuing a show run we see the following log output: Apr  8 07:15:38.336: Could not set disable/enable learning on port(0)Does any one know if this is a known bug an...

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...