Switching

Dear All, I've a scenario to configure OSPF multi-area in 3-tier topology where Core and Distribution are 4500X series running with VSS and Enterprise service image with full layer3 support. However, my access layer and the User Access Node where I'...

I need to update a couple of WS-C3850-24T-S switches but I see two totally differnet version numbers on the download site: 3.6.4E to 16.2.2 Which one is correct? Whats the difference?

Hi All, I've got a quick question and I'd be interested in getting the communities feedback. If you are designing a solution which involves multiple Layer 3 links between devices would you typically go for a Layer 3 port channel or multiple layer 3...

Hi, I have been hoping to use the CSMP CLI Tool (https://ciscomarketing.jiveon.com/docs/DOC-53822) with an IR509. Before the CLI Tool can be used, a pppd connection must be made between the computer and the IR509 (https://communities.cisco.com/docs/...

Over the last few months I have had several 2960X stacks stop working for newly attached devices. The mac table does not update with the new address. I do however see the mac address of the device on the core switch, in the correct VLAN and coming fr...

I am attempting to do a password recovery on a 3850 switch stack running 03.06.05E.  When I bring up ROMMON I cannot enter the command SWITCH_DISABLE_PASSWORD=0 because it is read only. I attempt to bring up express setup because whenever I reboot it...

Hi,We have strange behaviour on one of our VLANs; the traffic meant for one server address 172.X.Y.16 seems to appear on several of the other servers in the VLAN (our server team sniffed the traffin on the servers directly). Also, the MAC address ass...

Hi, when comparing two copp related outputs, I get different information.The "show platform ..." output displays more classes (policies) as there are class-maps configuried and different CIR/BC rates! For example, the lacp class ist configured with ...

hi, hsrp routers both are active active state.what is the reason how to troubleshoot and what are things need to check.

please i need to know for this switch WS-C3850-12X48U-L , the 12 port 10G included in the switch is SFP+ or UTP .

Hi Cisco Experts Does the below chassis config  coexist with each other 2 x M2 and 2 X F3 Consistency on N7K 7009 Sup 2 Thanks a  lot Sayed Hasan Moubarak

Hi, I have connected two switches with onside trunk and other side access port.Both switches A (vlan 20)and B having (vlans 20 and 30 etc.) Now host in switch A wants to communicate with host in Switch B which is having vlan 20.Is it possible to c...

Hi, My IPP fail to get VoIP VLAN out of CDP when using (cat4500es8-UNIVERSALK9-M), Version 03.08.01.E RELEASE SOFTWARE (fc2), ROM: 15.1(1r)SG6. CDP is configured correctly, i know that since other IPP vendors get VoIP VLAN from CDP on the same switch...