Switching

I have about 170 network racks that have UPSs in them, but most of the network snmp cards in the UPSes have gone to sleep or hibernation. I need to wake them all up to web in and configure them. It's a task long over due. I tried pinging the network ...

Hello All, Description We have a C9500-32QC using 40G QSFP's connected to a 2 Load balancer (master and slave). the load balancer requires two 40G connections for High availability.  (fo 1/0/3 and fo1/0/4)  The NIC card in the master load balancer fa...

We install AV systems with Crestron NVX boxes. Crestron recommends the 2960 line of switches for IGMP and Multicast support. Cisco seems to be replacing the 2960 with the 9200 line, Does the 9200 have the same IGMP and Multicast support?

I have a CAT9500. I've done a factory-reset all and the switch has now booted into ROMMON. I've done a dir  and I have the following permissions: flash :robootflash: rousbflash09:rw I'm trying to copy the IOS from usbflash to flash however I only hav...

Hello, how do i increase the ssh timeout to  10mins or morewhen i use the show ip ssh....i could see the default has 120sec Is there a cisco command  to increase the ssh timeout?  

Good afternoon everyone, tem question , has it happened that you send traffic through a CORE interface and this is also reflected in all the otherCORE interfaces going to Switch access?   

We are able to receive all the logs from the roter but not able  to get the Login logs. Is there anything need to be done to forward the login logs to SIEM.

Customer wants to change old core (one pair) with new core (one pair) and customer can give only one hour downtimeso we decided to put Layer 2 LINK between new core and old core and we are going to put SVI on new core in shut down mode except managem...

I am designing an enclosure for an IE-4000-8GT4G-E switch which must provide IP65 protection.As this will be sealed and preclude ambient air circulation, I am assuming that a heat exchange system of some sort will be required for this. Is any informa...

I have a very odd situation that is not something I would expect to see in a production environment. This is purely a test lab. Is there a way to make a Cisco switch (preferably a 3850) act like it has a switch within a switch? I need to have duplica...

We need help to confirm which serial number should be used as device serial number for Cisco Catalyst 4900M devices.We were reporting Supervisor(Slot 1) serial number as special case for 4900M device but customer is complaining for that.I couldn't fi...

Hello I can't find any clear documentation on how SPAN works in a VSS environment. I see in the documentation that you cannot configure SPAN on a VSL, but my question is regarding SPAN with a VLAN source.I assume both chassis will capture traffic fro...