Switching

Hi guys, Just wonder if someone can help me with this strange issue I've come across.  I have a client who has a branch office and the two sites are linked with a 1Gbps dark fibre service, there is also a 1Gbps microwave service as a backup/failover....

One of my customers sent the following information to me. Is this a documented bug? What is the bug ID?IOS bug on 3750 switches 12.2(37)SESwitch drops arp packets to certain mac addresses with version 12.2(37)SE.Wwitches sharing cat3750 architecture ...

I have a Cisco ISR 4331 series router with T3/E3 card.  Are there any software restrictions to create serial sub-interfaces?  I am not able to create any sub-interfaces.   Thanks,    

I have 2x3850 running in stack version-03.06.05E . 1 of the switch member rebooted. I checked the crash dumps lot of info but dont know what to look for,any ideas?

I log in, go to IP Configuration --> IPv4 Interface, click the one and only VLAN1 to select it, then press EDIT... When I switch to Static IP Address, the IP Address field never becomes editable. Only Network Mask becomes available. I just updated th...

We have noticed recently that there is one switchport that will show TONS of MAC addresses, many more than could be possible. The client connected to that port is a 2017 MacBook Pro, connected to LAN through a BenQ monitor w/ a built-in NIC. Shut/no ...

Hi all, I recently received a SG200-26FP POE switch to upgrade my network to allow gigabit LAN. While attempting to setup the switch, I tested the switch by plugging in a few things, to see if there was any kind of network through the switch (yes). H...

Hi    I need to allow ip prefix matching from prefix-set allow-ilg1-pfx and ( as-path-originates123 or as-path-originates 321)   will  below statement work as I expected    elseif destination in allow-ilg1-pfx and as-path originates-from '123' or as-...

I have a pair of Nexus 5548's that handle traffic between UCS blades and a SAN cluster. It is a datacenter FCOE switch that handles traffic for Vmware hypervisor hosting Windows VM's. I also have some catalyst switch stacks used for access layer traf...

  need some help getting this going.. I have 2 SG500 switches in L3 mode, stacked, that will act as my main router. I then have several SG500 switches in L2 mode dotted around the business.   I'm looking to cable 2 ports from each of the L3 switches ...

Hello, I noticed the periodic appearance of the following log messages: 01:57:21: %CPUMEM-5-FALLING_THRESHOLD: 1 CPUMEMd[6274]:  Threshold: :2, Total CPU Utilzation(Total/Intr): :1/0 01:57:36: %CPUMEM-5-RISING_THRESHOLD: 1 CPUMEMd[6274]:  Threshold: ...