Switching

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...

Hi Expertise, I was trying to firmware update to Cisco 3750 stack switches.I can copy to Flash1: of Switch 1 and successful.However trying to copy to Flash2:, facing one the issue flash is full. When I check dir flash2 , find out one file 23052009.cf...

I'm struggling to figure out why you would need the 'ip nat outside source static' command. The 'inside source static' makes perfect sense, but why the outside. In what type of scenario would you use it?Any help would be appreciated

Hi, I am not able to configure encapsulation dot1q in WS-C3850-48T. currently switches are in stacked. unable to find the command to configure the encapsulation dot1q on the interface. anyone please provide the configuration.IOS Version: cat3k_caa-Un...

Hi, I am not able to configure encapsulation dot1q in WS-C3850-48T. currently switches are in stacked. unable to find the command to configure the encapsulation dot1q on the interface. anyone please provide the configuration.IOS Version: cat3k_caa-Un...

Hi           **Re-posted... previous posts duplicated, Thanks Jon for pointing that out** I am in the process of looking into implementing OSFP on a network currently using static routes. The network has 2 DCs each with a core switch, connected to a ...