Switching

I have noticed that when I access the (Web-based) device manager on a Catalyst 2960 or 2960S switch, the authentication prompt (from within IE, at least) includes the phrase, "The server <switch-hostname> at level_15_or_view_access requires a usernam...

I have a Catalyst 2950 switch that will run for a little while and then power down.  The fan is functional, no sounds or slow RPMs.  Seems to be operating fine and the unit doesn't feel warm.I have to unplug it for a few minutes and then plug it back...

we have 2 Supervisor IV modules in our 4507, i want to upgrade the IOS as its still on 12.2 and i am going to upgrade it to the latest.  my first question is, if i update the IOS on the bootflash will it replicate to the secondarybootflash?secondly, ...

Hello All. I have a scenario where I have two 3750 stacks tied together at different locations. I have different ISP's at each location and would like to route traffic based on vlan. For example, at location 1 I want only vlan10, 20, and 30 to go out...

Hello all,I'm trying to wrap my head around this configuration and not having a lot of success.  I have several Vlans 3,6,71,72,160, and 180.  I have two internet connections, Internet1 is connected to an ASA5510 and Internet2 is connected to a Merak...

Hi,May I ask where I can download the Cisco python libraries and API's required to run scripts on an external server rather than on the Nexus 7K itself? Regards,Aleks

Hi All ,We have to connect two servers to cisco 6509 (sup720 with MFFC R7000)  switches and we have to configure LACP on the 6509 to bundle two ports to get 2 Gbps through put.Each server has four NIC ports ..out of which two ports will be connected ...

The scenario is two Nexus 5K vPC domains connected to each other in a bow tie.       If you went into switch 1 and did a "sh etherchannel" or "sh port-channel" or whatever the devil the command is, would it show the uplinks in the peer switch (2) as ...

How to configure 8 ports to be in stand by in an lacp etherchannel ?            Here is the output from my switch:Switch3#show etherchannel port                Channel-group listing:                ----------------------Group: 3----------            ...

Current setup==========I have two serial devices utilising RS232 Rxd/Txd (no control signals) connections over two serial ports on an old IBM terminal server to a specialised server on the IP network:Remote display -----RS232----- IBM terminal server...

Hello everybody.I'm getting quite a lot of log entries like this one:Jan 29 12:12:09 172.30.32.170 908850: 478419: 003167: Jan 29 12:13:36: %DOT1X_SWITCH-5-ERR_VLAN_NOT_FOUND: Attempt to assign non-existent or shutdown VLAN 10 to 802.1x port GigabitE...

  Hi,  I am facing network issue by ARP flooding. Due to this my network went down. Find the attached screenshot for reference.