Switching

Hi All,I'm planning to build a small local network with CISCO switches. Our requirements are * All end machines ( 3~400 PC ) should not see each other. * All end machines can see host(server) machine(s)I have searched about port isolation feature ("s...

Hi,On a Catalyst 6500, we configured a SPAN session with VLAN 300 as a source. We configured the session bi-directional ("both" keyword). We connect a sniffer on the SPAN destination port.Strangely enough, we only see the traffic from the VRF to the ...

Is the CCNA exam changing soon and if so where can I buy the study material i.e. exam questions and labs?---Posted by WebUser Mike Daniel from Cisco Support Community App

Hi All,One of our client is having Cisco 6513 with SUP720-3B. Currently they are running with CatOS version 8.5.2. Now we are planning to upgrade it to IOS. Though SUP720-3B comes with MSFC card, but in this case I am not seeing MSFC card in either s...

Hi Im facing an issue with stacking two 3750, one 3750-24 port switch and 3750-12 port switches.  I have connected "sw1-stack1 --> sw2-stack2" and "sw1-stack2 -->swi2-stack1"  but when powered on the switches, 3750-12port switch is not adding to stac...

Hi,I have an issue where our router is not advertising some routes out to its MPLS neighbour (MP-BGP)I really need to see if the router is advertising routes out. Do you know how I can achieve this … I am looking for an similiar command....BGP WORLD ...

Hi ,I would like to know if  new command like no authentication logging verbose ,no dot1x logging verbose , no mab logging verbose will be supported in IOS 15.Xfor Cat 4500 switches like it is supported for other switches( i.e. 3750).Question: Is it ...

HiI've got a Cisco 3750X stack pair and "show system mtu" reports:System MTU size is 1500 bytesSystem Jumbo MTU size is 9000 bytesRouting MTU size is 1500 bytesEverything I've read suggests that this means I've got Jumbo Frames enabled. However, ther...

Hello, before starting just state that I'm newbie with multicast and maybe I'm asking some trivial thing...I would like to multicast some video footage from some cameras which are plugged to catalyst 3750. In order to do so, I have a multicast camera...

Hi - wondering what the benefit is of running FP in a 2-post core - in other words, not in a folded CLOS that requires more than 2 active L2 paths. Sure, you either totally remove STP or at least mitigate the STP domain, but you are also replacing ST...

I have a stack of 2960's that I would like to configure using switchport port-security. The interfaces are set up like this:interface GigabitEthernet1/0/31switchport voice vlan 100spanning-tree portfastHow do I add switchport port-security to the abo...