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Hi,Hoping for a little help here. I'm trying to restrict traffic from certain vlans to a licence dongle server.  To make it easy, I've gone with a nice simple extended access list in a lab. I want to stop host2 (10.10.10.2) from pinging host1 (10.10....

ajstan by Level 1
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  • 3 replies
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Resolved! 3850 switch stack

I am stacking 2nd 3850 to existing production switch. Both has the same iOS. all the basics are covered but just having 2nd thought that Is there anything I should be aware of or missing anything??? Any expert advise?

Andyz by Level 1
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  • 7 replies
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Hello everyone! The problem:We have about 1500 access switches with managment vlan.Network scheme is attached below.ARP aging time is not reset to zero with existing traffic in management vlans. We have OpenNMS which pings hosts every minute + takes ...

aleks by Level 1
  • 788 Views
  • 1 replies
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Some switch models require the command "switchport trunk encapsulation dot1q" to be set on a port prior to enabling the port as "switchport mode trunk".My question is:1.) What are the specific ramifications that occur (if any) of leaving "switchport ...

Hi I try to configure on a 1921 Router with SW Rev. c1900-universalk9-mz.SPA.151-3.T1.bin a VRF DHCP Pool with Static ReservationThis is my configip vrf OFFICE rd 200:2 route-target export 200:2 route-target import 200:2!ip dhcp excluded-address vrf ...

Hi All,   Need some help on the below issue : Switch WS-C3850-48P, stack of 3.   I wanted to add a MAC address to the MAC access list but messed up:   I used >> mac access-list extended Allowed-User-MAC-ACL-IN permit xxxx.xxxx.xxxx ffff.ffff.ffff any...

kenyusuf by Level 1
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  • 4 replies
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Resolved! C2960X PoE issue

Need to ask if anyone has ran into an issue that if 6 devices are connected in consecutive order? Co-workers have some switches that when they connection 6 IP Cameras on consecutive ports (17-22), port 18 and 20 do not power up.. This was duplicated ...

Dear community   We would like to remove the folder from within a TAR file, so that the bin file is located at the root of the TAR archive. A typical TAR file has following structure: Root |c2960x-universalk9-mz.152-2.E6 |html |lots of files |c2...

Hi, I am looking at scenario in which two PC are in different broadcast domain and connected through pure layer2 switch.Can somebody explain sequence of packets starting from switch is on and how packet can communicate from PC1 to PC2. PC1 10.10.10.1...

Hi Team,   To configure stackwise virtual in Cisco Catalyst 9407, do we need extra cable like stack cable in Cisco access switches ? If it is what is the part number for that cable ?

prashanma by Level 1
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Hi  Recently we have faced an issue in cisco switch 3850 series where Rx is down and Tx is up in 10G interface.  During this scenario , the interface is down and line protocol also down but the peer end connection was UP. TenGigabitEthernet2/1/3 is d...