Switching

Hello All,I have a question concerning QoS.I initiate a telnet session into a router. the incoming packet is marked AF22.I want the return packet to have the same marking.I understand that it can be achieved using a control-plane output policy to set...

I have a situation with 2 seperate DC's that are to be interconnected via OTV to form a resilient pair supporting vmotion between DC's, DC-A and DC-B. Each DC has a pair of Nexus 7K's.In this requirement I need HSRP in a particular vlan on DC-A to mo...

The tag in the frame(vlan id)is in accord with the access port vlan id. The situation like one site is trunk mode port but another side is access mode port

Hello,Due to a migration project I need to be able to migrate servers one by one from one of our offices to a new datacentre. I've choosen L2TP in order to do this as it's supported on the equipment we have and doesn't require any special cooperation...

Hi,I'm getting the bellow error: 3w5d: %SW_MATM-4-MACFLAP_NOTIF: Host 001a.a18f.bd68 in vlan 2 is flapping between port Fa0/44 and port Fa0/48We have  branches connected together with redundancy  using motorolla bridges and we have enabled portfast o...

When upgrading a core switch, how does one go about transferring the VLANs?  We are upgrading a 4506 as the core to a 6509.  Do I add the 6509 as a client first, let VTP propogate then change it to a server?  Before doing so I would make sure the con...

Hi,I have C2960S-UNIVERSALK9-M switch with Version 12.2(55r)SE.I have a port-channel lacp mode with two interfaces.I need to change the lacp rate to fast.doing show etherchannel 3 detailLocal information:                            LACP port     Admi...

                 Hi i hope someone has some good ideas, to what can be wrong here. I got 2 Catalyst 6500 running as collapsed Data center core / distribution. And then i have some different types of access switches down under Nexus 5K and some some 3...

Hello,i search the fixed IOS 12.2(53)SG10 for some 4500EBut i can't find, last reales is SG9.http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130801-lsaospfSoftware Download:http://software.cisco.com/download/release.ht...

If I wanted to change the IP Address of my ASA how would I configure the switchport that it connects to? Right now the port is configured :interface GigabitEthernet0/24 description **Cisco ASA** switchport access vlan 10 switchport trunk encapsulatio...

Iam trying to enable ssh and crypto on my 3550 EMI and I'am loading  c3550-ipservices-mz.122-44.SE6.bin but I'am not able to enable ssh and crypto keys. it looks like it does not have the service. but it says it's cryptographic IOS.Can any one help p...

Hi guys, Hope you all doing alright.I'am trying to run ssh on my 3550 EMI model with c3550-ipservices-mz.122-44.SE6.bin ios. I downloaded the IOS from Cisco and it indicates that it's crypto enabled.But it doesn't support crypto and SSH.Can someone h...