Hi there, We are implementing Port-Channels between Nexus 9508's using LACP, the port-channels run between 2 datacentres across a WAN using routers with x-connect(or similar protocol) to provide the L2 link. Our issue is that due to the nature of the...
Forum Posts
hello we have 2 x 9300 series switches in a stackwise topology the ports will not allocate power auto or static to PoE devices of any Class Q has anyone seen this issue ? Q could this be license related ? for example the device is not added to th...
Resolved! DHCP offer issue
Hello, I have a problem on a switch c9407r in version 17.9.4a.I have a device connected on a port (Gi1/0/11) on vlan 601 that sends a dhcp discovery request.If I capture the uplink interfaces to the gateway (PO10) I can see the dhcp response with the...
Has there ever been a know case where a span port on a 2960-x has been hacked or passed walware/viruses from the untrusted network side. I know that span ports are by default unidirectional but I am trying to prove to my security analyst that is safe...
does anyone know if there is a matrix showing which version of openSSL is used by each version of NX-OS?I'm specifically looking for versions for nexus 7700, I am planning to upgrade the NX-OSThank you.
I'm trying to find the hardware installation guide for the Catalyst 1300 series. All I can find is this web-based "wizard" that wants to lead me by the hand. Is there no HIG PDF for this product like there is for pretty much every other Cisco devic...
Hi there, I am working on a client site and the client ordered 9400X-SUP-2XL and 40G QSFP optics. If we enable the uplinks to the distribution switch (Nexus 9336), the links flap constantly on every one of the devices. The interfaces available in the...
getting the following error % Error in authentication. in C9500 switch in console. i have not set any configuration in line console. only in vty. why its asking for password in line con 0 without setting any configuration. after entering local userna...
Resolved! What is a VRF? (for beginners)
Can someone explain what is a VRF (for beginners)
I am having a problem getting DHCP on my PC LANRouter (DHCP Server) (ISR4331)(192.168.70.1)-- Switch (3750G) (IP helper address 192.168.70.1 on Vlan 1) - PC (192.168.70.x)The port coming from router (DHCP server) is connected to G1/0/1 Catalyst 3750G...
Hi, When i restart the switch i am getting the error to start the switch switch: bootLoading "flash:c2960-lanbase-mz.122-35.SE5/c2960-lanbase-mz.122-35.SE5.bin"...flash:c2960-lanbase-mz.122-35.SE5/c2960-lanbase-mz.122-35.SE5.bin: no such file or di...
Hello,I am currently experiencing a problem with enabling perpetual and fast POE on a Cisco 9300 (17.9.4a) lab switch. Despite having both features enabled, POE devices like the Aruba 555 AP, Avaya VOIP phone, and IOT sensor remain powered on during ...
Hello and sorry for my bad english. I'd like to know if my port-channel configuration is bad because i don't know if i have to put this command on port-channel only, on port or on both :switchport trunk native vlan 999switchport mode trunkswitchport ...
Hello,On my main Cisco Cisco is configure stormcontrol. I have this command : errdisable recovery cause storm-controlerrdisable recovery interval 400and on each ports, i have :storm-control broadcast level 1.00storm-control multicast level 10.00Do yo...
Hi,We have standalone Cat 6500 Core switch with couple of VLAN, GW, static routing configured and connected to single internet FW.Now, I would like to migrate this core to new cat 9500 device with minimum downtime. Please help me with steps:
