Switching

Hello, Does spanning tree block port when a bpdu sent on an interface (access port vlan 1) is looped back on a different interface (access port vlan 2)  or it will only be blocked when vlans are same? 

Hello community, Our company recently added a new VLAN/Subnet/DHCP pool  to seperate the physical workstations.   I updated a few interfaces to the new VLAN...which is fine for testing a few workstations,    however what is the best approach and leas...

Hi Community,I have a Nexus 5K with no licence installed which is about to get in production in our network. I tried to install a LAN_ENTERPRISE_SERVICES_PKG licence and faced a unexpected behaviour in the equipment.After have installed that licence ...

hi allwhen I read about WAN technologies, there are several protocols for data integrity like. sdlc, hdlc, LAP, LAPB to make sure the data or upper layer information is reached safly ! so what about ethernet technology ? hot it ensures data delivery ...

Hi All,I have single site with 3x 3750 stacks where around 100 users and one fileserver connected (all using 100Mbps) We have issues where a user might be copying a large file to a file server which effectively slows down all other user access to the...

Dear All,I have observed a very strange Ping Response for the IPs which are not live : C:\>ping 150.0.44.21 -t Pinging 150.0.44.21 with 32 bytes of data:Request timed out.Reply from 172.25.91.110: Destination host unreachable.Request timed out.Reply ...

Hello,           I know what a vlan hopping attack is...i understand it but....Why on earth will an access port be accepting Tagged frames????          It is understood that the clients or End systems must not and will not send tagged Data frames if ...

Hi  I had set a new router, its not promoting to password when i enter in enable mode . can you please me . please see the extract of running config and help?I have removed IP address and other sensitive detailes   version 12.4service timestamps debu...

Hey Guys, I have ACL applied In/out on Interface.I would like to know what statements are required to pass multicast traffic for HSRP for both In and out ACL. ThanksAjay

Dear All,We are trying to enable Macsec (switch to host) on switchports but couldn't find following commands. We are running 15.0(2)se4 IPBASE image.Switch(config-if)#macsec Switch(config-if)#mka policy xxBoth the above commands are not available. I ...

 HI,  I am facing problem in spanning tree over L2 link.please find the digram for your understanding.   1) we have two 4500 switches in my HO as a core there are two links are connected between them & configured as a port channel.    2) We have some...