Switching

Hi, I am looking for a recommendation for an iSCSI switch. We are looking at a 2 node cluster with a 3rd node. The network is 10Gb with a Dell Unity SAN. We would look to have the 2 switches dedicated to iSCSI with mpio for the redundancy. I know I n...

Recently we have added a switch as secondary root bridge and we are getting :013296: Jan 6 2022 20:05:38.128 Cyprus: %SPANTREE-5-TOPOTRAP: Topology Change Trap for vlan ZZZ013297: Jan 6 2022 20:05:38.128 Cyprus: %SPANTREE-5-ROOTCHANGE: Root Changed f...

Replacing Sup-7E with refurbished Sup-8E on a Cisco 4510R+EHi all, I'm working with replacing a customer of ours' Supervisor modules on a Cisco 4500E. The customer has existing Sup-7e modules, but we need to upgrade them to refurbished Sup-8e modules...

Hi, can anyone convert these Vlans configuration from HP switch to Cisco switch?? Cause I'm getting really confused about tagged untagged and no untagged on hp switch. I've been googling about that but still my brain did not get it.vlan 1name "DEFAUL...

Dears,the Switching Capacity of the Catalyst 9600 (using SUP1) is up to 9.6 Tbps, but the datasheet highlights that the Switch is ready to support up to 25.6 Tbps ! is there any new supervisor in the roadmap to be able to reach that Switching capacit...

So my ISR4331 ver 9.16.09.05 is up for an upgrade to 16.12.03. Currently this switch has aaa and tacacs server configured. It seems the syntax for tacacs-server will change, which means after reboot I would not be able to reach tacacs servers. I curr...

Hi Everyone, I have update a Cisco Catalyst 2960L-16TS-LL switch IOS, from: c2960l-universalk9-tar.152-7.E2 to: c2960l-universalk9-tar.152-7.E3. This results in some troubles when opening the web device manager. I have tried multiple upgrades and dow...

can i use supervisor model ws-x4515 for core sw. 6506?

I am testing 802.1x with Cisco Catalyst 3750 and according to the documentation, the feature should be there but it is NOT.  Can someone please help point me to the right direction?  The command I am looking for is under interface configuration of "d...

Hi,We are facing an issue, where we see our CAT 2960 switch is logging port flapping logs. It is happening for only one particular port. We checked and find no discards, it is in full duplex mode. Below are device version-Model number : WS-C2960S-24T...

I have a 9300 Access switch that is located between two fobots, one fobot is single mode and the other is multi mode.Upstream on the single mode is the Core switch, downstream from the Access switch, on the multi mode is a Distribution switch.I want ...

I have been reading about MACsec - Red Hat kernel module docs, Cisco 3750 deployment guides and some random sites. However, does the entire path need to support MACsec due to the layer 2 Frame encapsulation? Example: if three switches are between two...