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Hi! I have configured a WS-C2960L-SM-48TS switch with multiple VLANs which are working fine.Another switch which serves VLANs 10,40,50 has been connected to the 2960L switch on interface Gi0/46.Interface Gi0/46 has been set as Trunk and VLANs 10,40,5...

net buzz by Level 1
  • 1039 Views
  • 5 replies
  • 0 Helpful votes

Cisco 2960-48 switch has powered Cisco 7965 phones for 2 years w/o problem.  This week we lose power and when it is restored the phones won't power up.  After much troublshooting I trip across the solution - unplug the Jabra headset from the AUX jack...

John Gage by Level 1
  • 5033 Views
  • 16 replies
  • 5 Helpful votes

Dear Community, I would like to add MACsec (in Manual Mode) between 3560C and 3560X switches. According to these links 3560C can be configured:https://www.cisco.com/c/dam/en/us/solutions/collateral/borderless-networks/trustsec/trustsec_platform_suppo...

Wolfi by Level 1
  • 522 Views
  • 3 replies
  • 0 Helpful votes

Hi, I have a problem in specific VLAN and this is the error  %SW_MATM-4-MACFLAP_NOTIF: Host 1c66.6d97.7871 in vlan 111 is flapping between port Gi2/0/9 and port Te2/0/1this error is continuously and I can't browse the internet and when i  assigned an...

does anyone have the details ? From the presentation below, you can see that there are 4 ASICs with 6 SFP+ each, for the 24x40GE switch. Can i assume for the 40x10GE switch this will be: ASIC 1: p1 - 12 ASIC 2 : p 13 - 24 ASIC 3 : p 25 - 36 ASIC 4 : ...

gnijs by Level 4
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  • 2 replies
  • 0 Helpful votes

Hi all , During my googling i founded this topology below for Spanning Tree Features Placement, I just wonder why the Loopguard used only on these specific ports on the topology why not used on all ports , the same thing for RootGuard and so on ,,,  ...

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We encountered this wired high cpu case with the 2960x stacking switch, which is caused by logger.  Does anyone knows what does this means? #sh proc cpu sorted 5secCPU utilization for five seconds: 99%/0%; one minute: 98%; five minutes: 91%PID Runtim...

Resolved! Com port issue

Hi All, I am not sure if this is the correct forum to post this issue but i would take the liberty as some of you might have that same problem. I need to console access into a Cisco devices and the laptop HP elite does not have a serial port on it an...

Hi all ,  Kindly have two question and i hope i found answer for them  1- Why do we always place STP root switch and VRRP gateway at the distribution layer in the campus networks? What is the design implication if it were placed in the access layer i...

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