Switching

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...

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 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...

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 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 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, i have a pair of nexus 5548 with a pair of nexus 2232 configured in active-active mode (each n2k are connected to each n5k with  2 interfaces port-channel)so my question is that, the interface configuration of fex interfaces are not synced? so if...

HelloI have a Problem with one of my CBS220 switches. I have a non redundant topology. One of my Links GE49 goes down but some times for  1-4min. Can the problem be because of al loop on GE3?How do you interpret it? Where you would start to searchLog...

Today I was upgrading remotely a 9300 IOS XE but suddenly while I was waiting after the command: install add file flags:file active commit There it was a disconnection for 1 minute with the ssh session and the Switch didn’t display the wizard again. ...