Switching

I have a few 4900M switches that I would like to upgrade. When I go to CCO, I see several versions of the Enterprise Firmware (151-2.SG8):ENTERPRISE SERVICES SSHENTERPRISE SERVICES UPGRADE SSHI'm currently running ENTERPRISE SERVICES W/O CRYPTO and w...

hi      we created vlans on L3 switch we need to block vlan 20 to another all Vlans interface Vlan11ip address 172.16.81.1 255.255.255.224!interface Vlan12ip address 172.16.81.33 255.255.255.224!interface Vlan13ip address 172.16.81.65 255.255.255.224...

Hello , so i got a school project and i would like to get some help guys.Actually need more an expert-advise. This is my project -      The mission is pretty simple , but i stuck on the default route.Lets consider PC-1 As a remote customer that supp...

Hello Friends!   I noticed that previuosly usefull debug commands do nothing in new code of IOS XE 16.9.1 on our 3850 switches.   Looks like there is no method to achive previous level of visibility of radius auth\authz\acc   I found that in new code...

Hi! I have searched hi and low and have not got any answer. We have a couple of VSS. VSS01 have 6509-E (R7000) with SUP720 and IOS 12.2(17r)SX7. VSS02 is a pair of C6509-E (M8572) with SUP2T and IOS 15.2(1)SY4. I have always know that if I create a s...

Hello Experts.. I have some case that some of my router (Cisco IOS C870) return ping rto while traffic is full.And so far I try this idea.. "limit the input so there is some space for telnet and icmp protocol" or "increase priority of telnet and icmp...

I have 2 different applications running independently on my client machine and each one of them have joined the same multicast group.Will i receive duplicate packets.

Hi All: We have an Internet gateway which serve many European Customers. Model: WS-C3750G-24TS-1UIOS: c3750-ipservicesk9-mz.122-55.SE10.bin We have been observing HIGH CPU utilization up to 90 to 100% on the box due to a specific process “ARP Input” ...

Hi,   Can anyone advice what the below refer to? I've tried researching online but can't find the specifics to some of the configs.     policy-map OUTPUT-POLICY  class OUTPUT-QUEUE-L1  priority level 1 percent 20   set dscp ef  class OUTPUT-QUEUE-L2 ...

  I have cisco SF 300 switch.  it act like a core switch. i want to know can o configure netflow in particular interface on this switch. i tried but commands not working ?   Is there any solution for this ??

Hello,   I have a branch that has a router, which when I ping it,  on average the response time is 10ms.  Attached to that router via 1gig trunk is a 2960x switch with some ip phones and ip cameras.  When I ping this switch, I'm getting 600ms respone...

I have several stacks of 2960-X switches running various versions of IOS 15.2 code.  I've been asked by our Telecom group to see if I can find out the power draw of the stacks in each data closet.  I can pull some info via the "show power" command:  ...