Switching

Hi there,Are there any SFP modules for Cisco Catalyst 2960-S (or 2960-X) switches that is compatible with SC connectors fiber (Multi Mode 1Gbps uplink connectivity). We are currently using optical convertors to convert 100 BaseFX SC Connector Fiber t...

Can any one explain thetimpacttof disablingdsmart install fefeature in cisco 3750 switch 

Hello,   I have a 3845 router running a GigE uplink, with a NM-16ESW-1GIG line card running a GigE trunk to the backbone GigE switch. The issue is that the line card GigE trunk is dropping allot of packets in the input queue and thus very poor throug...

I have a failed cisco 3850. I got a new switch in and the IOS was lower than my current stack so i upgraded it . When i do a show ver the IOS looks right but when i do a show switch the H/W version are different.  This will cause my stack to fail ?  ...

i have a question i have 2960 switchs this is directly connected to a cable modem on this switch i always get public ips instead of my dhcp and vlan, does somebody know a solution?

DTP(dynamic trunking protocol) and vtp(vlan trunking protocol) both are cisco proprietry protocols, I'm confused among them, here are the some questions I wans to ask,1) what is the default running protocol on switches? DTP or VTP ?2) what these both...

Hi all,My 3850 is in a boot loop with the error"Mainboard hardware authentication failed"I tried to break the boot, to try and boot from USB but have been unsuccessful.Any help would be highly appreciated.Thanks,JohnBooting...Initializing and Testing...

Hi All I have just upgraded some Cisco 3850-24T-S switches in a stack from an old version of code to version to 3.06.06 I ran the software install command and all went well until reboot. I had to visit the site and found they were not booting.   I am...

is somebody kindly let me know is there any issue for this release or ios for cisco 3750g TS switch Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 15.0(2)SE8, RELEASE SOFTWARE (fc1)

Hi, I’m having an ASA 5505 and I’ve added a Deny rule in the outside_access_in group which block a group of IPs to reach my ASA and internal network. My ASA was connected to the ISP Directly, now the ISP changed the modem and I had install a new rout...

I need to enable sequence numbers on a GRE interface. Right now when I show interface Tun0 I see this:   Tunnel protocol/transport GRE/IP    Key disabled, sequencing disabled    Checksumming of packets disabled According to every online documentation...

When this says Last Reset From Reload, on the Show Version. Does this mean someone actually typed in Reload from the console? We had a catalyst 4500 reboot last week, and we are not sure why. We are trying to figure out how this rebooted.