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Hi. We setup the following in a interface trunk: storm-control broadcast level 5.00 storm-control action shutdown storm-control action trap spanning-tree guard loop Aster a few days the interface went down. Do you know how can we determine what cau...

Hi there Attached herewith is my OSPF network template (Image 1). Everything is working very good. PC-1 can PING PC-2 & OSPF is following best possible costs. When I PING PC-2 to PC-1 (& vice versa), the packet follows path as attached in image 2. Bu...

Paki by Level 1
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  • 26 replies
  • 0 Helpful votes

Resolved! IP device tracking

Hi,We have Cisco 3850 switches and we dont use dot1x but we need to turn off ip device tracking but when I do it from global config mode it pops up the below error:Switch(config)#no ip device tracking         % IP device tracking is disabled at the i...

ross_rulz by Level 1
  • 98659 Views
  • 23 replies
  • 0 Helpful votes

Here is my current configuration for Netflow on my 3850. My question is posted at the bottom. flow record FNF-input:  Description:        IPv4 NetFlow  No. of users:       0  Total field space:  56 bytes  Fields:    match ipv4 tos    match ipv4 prot...

Hi, I think I  know what needs to be done for this but am not 100 percent sure.  The end goal is to make sure af41 packets are getting remarked to af31 going outbound to our mpls provider. currently the following class and policy maps are configured...

lkadlik by Level 1
  • 2816 Views
  • 3 replies
  • 0 Helpful votes

Dear everyone!, My switch is 2960X cannot start after I config wrong and loop reboot everytime. I was download new IOS: c2960x-universalk9-mz.152-2.E6.bin but nothing change. Everyone help me pls! Connecting to COM6...Connected. Err: Interrupt: Mach...

Hi Team, I have L3 switch ,in this switch i created L3 vlan id -10 and assigned few Ethernet interfaces to this vlan. If I delet the vlan 10 using " no vlan 10 " is this also remove the ethernet interface config for that vlan? or just it put the i...

Hi! I've discoverd a strange behaviour. Either it's a bug, or an urgent required upgrade of my knowledges. C2960+ 24TC-L / 15.0(2) SE6 Here is the symptoms observed: . If i try to export the startup config to a TFTP server located in a distinct vlan...

Catalyst 2950 / Version 12.1(22)EA12 / Running Enhanced Image Hi I'm very puzzled about the CoS field (Layer2) and the DSCP field (Layer3) relationship. I've setup a CoS7 (set cos 7) on a Catalyst 2950 access port, and started SPANning the trunk po...

Dear Community, I have a corrupted flash as you will see from the attached file of a C871 router.I dont think you can load the IOS from the tftp-server when you can assign the router an ip address to begin with.what can be done to save router.I was h...

isaaco001 by Level 3
  • 1032 Views
  • 4 replies
  • 0 Helpful votes

Hi, I have to update several Catalyst Switche to enable SSH. Most of them are C2960-8TC-L and C2950. Currently running: flash:c2960-lanbase-mz.122-35.SE5/c2960-lanbase-mz.122-35.SE5.bin or c2950-i6q4l2-mz.121-22.EA4.bin Which IOS is the right for SS...

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