Switching

Hello everybody,do anybody knows, if the feature "port-security" available on nexus 3000? It's about a nexus 3172TQ with NX OS 6.0(2)U4(2) and with port-security enabled. Port security configured on some interfaces and server connected to the interfa...

Hi all, I'm seeing messages like the following reported on a Nexus 5596:2015 Jan  7 12:40:48.954 Switch-5596A %FWM-6-MAC_MOVE_NOTIFICATION: Host 00ab.cdef.0123 in vlan 104 is flapping between port Po5 and port Po10Po5 is connected to a storage cluste...

I am interested in using the QSFP Passive Copper Splitter Cables that breaks a 40Gig port into 4 x10Gig copper SFP+ and below is the exact part number. Can I connect the 4x10Gig cable ends to different Cisco Switches or do all four 10Gig ports need t...

I am ordering Cisco ISR 4451,  I need it to have support for FlexVPN.   but in the link bellow I checked, the 4451 does not support FlexVPN. but has support other VPN typeshttp://www.cisco.com/c/en/us/products/security/router-security/index.html Can ...

Hi Guys,I am trying to understand the MLS QoS map concept.Switch#show mls qos maps cos-dscp   Cos-dscp map:        cos:   0  1  2  3  4  5  6  7      --------------------------------       dscp:   0  8 16 24 32 46 48 56 Switch#Switch#sh mls qos inter...

hellol am trying to get cisco configuration professional on window 7 64bit to work and no luck. after the installation it works.then l stop it and open again, then it take forever to load, after long waiting it tells me access to the directory where ...

Let me preface this by saying I am not a network expert.... I noticed that our customer had configured a port channel on their Nexus 5596 comprised of 16 interfaces. I thought the maximum number of interfaces in a port channel was 8 interfaces? I see...

Hello all, I recently got a 3560E-48PD-S switch (used), and on opening it discovered that the fan powers on (goes through it's various speeds then settles down), the power supply LEDs (AC OK and PS OK) light up green, but the LEDs on the front stay d...

hi have warning message on catalyst 6513 (sup720s)as below, the module 12 is WS-X6704-10GE, critical to us:483266: Jan 11 08:56:28 AEDT: %CONST_DIAG-SP-4-ERROR_COUNTER_WARNING: Module 12 Error counter exceeds threshold, system operation continue.4832...