Switching

I have 2 cisco stacks with 2 switches of IE-9320-26S2C each with firmware 17.12.04. We have etherchannel configured between the two switches with the physical interfaces from each members on the stack.When we power off one of the switches in the stac...

I've got a few 9410 switches with Supervisor 1's in them, and one of them is giving me issues.On the previous upgrade to 17.9.7, I had issues with Supervisor 2 (dual sup's in all) and I had a failure of Sup 2 to boot after a non-ISSU upgrade.  Previo...

I need to configure the switches so that every movement, without exception, is treated as best-effort. I have no implementation experience in QoS, so I have prepared this configuration and am wondering if it will be sufficient.switch(config)#qos basi...

Hello,I am wondering how long it takes to propagate a change of the root bridge in Rapid Spanning Tree Protocol:Example:From: Switch Root ===DSG, SW1 root [default priority 32,768]To:switch Root== DSG, SW1 [Priority 32,768 ] Root ==uplink== DSG ,SW2 ...

Hello yall's.Do someone what cable work with Mac OS , to connect from USB C to Mini B (console). that way I don't have to go on the back of the switch. using usb c to RJ45 (console).I buy one and it don't see it. /dev/tty.usbserial-*

I have 2 Nexus 9000 series switches I have configured with VLANs.  I am having issues trying to do the following: 1) Have the switches ping each other and other devices on the same subnet.  2) Setup Ethernet channel The issues I am having is the lear...

Hello team,I have some basic query on PHY loopback tests.Is it something which is part of diagnostics to verify the hardware ?Do you recommbed PHY loop back tests on production units as well?Do we need an external link partner for testing PHY loopbac...

Hi guys, I' m trying to configure MDS switches to genrate log in particular period of time. I have tryed to walk throught event manager and also scheduler but no success. Any ideas how to achieve this goal ? Regards

i have a stack of 2 3750 layer 3 switches that house all my esxi hosts and SANs. its worked in the past with SDWAN but we have removed that and have a plain modem connected to the master switch on port gi1/0/24. Ive configured the port to layer 3 and...

Hello,Very much a novice question, but i am having problems getting traffic to route across vlans on my C1300 switch. I have done the following from both web interface and CLI interface at separate times without success:Created VLAN 10Created VLAN 20...

I'm trying to allow UPnP  ( I know - bad, don't do it, unsafe blah blah) on a single vlan dedicated to gaming.  I've got a pfsense firewall with upnp enabled handling all traffic for this vlan to the internet.  access switch (VLAN122) -> Core Switch ...

Hello, We have CoreSwitches configured as DHCP servers and Layer3 for several Vlans but we started noticing DHCP timeouts and after analysis we found out that devices are sending a DHCP request almost every 2 minutes even if the lease time is configu...