Switching

Hello, I'am trying to configure PBR for vlan on my L3 switch. But when I'am trying run 'ip policy' command inside vlan interface, ios doen't show me any option. Waiting for yours advices. Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch S...

I have 2 FEX (N2K-C2248TP-E-1GE) that are connected to a pair of distribution 5548's in remote rack that I want to migrate to a new pair of distribution 5548's in the local rack.I'd like to minimize the downtime while the FEX modules are migrated.Doe...

We are deploying QOS in our 4500 Sup6. When we applied service-policy for queuing on the physical member of the etherchannel, that interface got kicked out of the etherchannel and interface bounced. I have experience applying service-policy (non-queu...

I have a strange issue where a member in my 3850 stack has no mac address.  This occurred after at duplicate address was discovered on the management interface.  We have reboot the switch but no luck. still the same. see below: BTRBRGBB1535A_Stack1#s...

Hello all.I have few cisco devices at home that i am using to study from. I am using for now on this little setup a 2620XM and a 3500XL Switch. I have two vlans setup on the switch VLan10 and VLan20 using router on a stick. I have setup the inside an...

Dear community,The Catalyst 3560 (12.2(55)SE5), the MAB places the client MAC in data AND voice VLAN simultanously and this is a security whole.This model is out of support so I cannot open a TAC case.('sh tech' is attached)The facts:As authenticatio...

Hi all,Please correct me if I am wrong. I am reading up on DCE and DTE devices such asDTE devices = server, routerDCE devices = hub, switch, modemI am also read up that DCE provides the clocking while DTE receives them.So in the case above, the modem...

I have a 2960g on code version 12.2(25) and an interface that is reporting a lot of undersize packets. The server that is cabled to the switch is configured as a trunk port so I believe that to be the reason. Does anyone know the behavior of the swit...

I have a client, who has MPLS connecting all spoke sites back to the HUB or NOC. Obviously, we have 1 default route currently.  The MPLS is currently running on 1.5M T1. Customer refuses to increase capacity and bring in Metro-E/Fiber.  They brought ...

Mar  3 18:59:51.926: VSTACK_ERR: smi_socket_recv_read_hdr:!!!Msg_hdr type is not matching with any predefined Could be an attack, closing connectionMar  3 18:59:51.943: VSTACK_ERR: smi_socket_recv_read_hdr:!!!Msg_hdr type is not matching with any pre...

Is anyone aware of a bug in version 15.0(2)EX5 for 2960X Switches that would cause a switch in the master role to stop linking in new ports in green (and passing traffic).  I have 2 2960X-48FPD-L Switches in a stack and whichever switch I designate m...

Hi, I'm so confused about switching capacity now.... @@Question 1: If there were 100 1Gbps links, could I use a Catalyst 3850 stack as an aggregation device? Its spec says its stacking bandwidth is 480Gbps.Question 2: 16 10Gbps links connect to a c65...

Guys, I'm not sure why my ACL is not working but I created a extended ACL so I can allow a new network to the DC at ports 67 68 and 53 (DHCP and DNS)Then access to the firewall only.  However, when we connect to the wireless SSID we are not getting D...