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Hey all   I am having a problem with a 3850-24XS. All traffic stops for 3 pings then returns to normal. Running a constant ping from multiple endpoints on trunk connected switches to multiple ports reveals 3 ping timeouts every 5 - 45 minutes resulti...

Cybervex3 by Level 1
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  • 5 replies
  • 0 Helpful votes

  Hello,I set up a lab with a switch and a isp routeur connected to it. I can't ping internet from the switch but i can ping the router internal interface (192.168.1.1). set up: SW2960X   -------> ISP routeur ( no access to it, no modification can be...

Solanin19 by Level 1
  • 4349 Views
  • 6 replies
  • 0 Helpful votes

Hi   Does the 250 Series switches support IP Source Guard feature? I'm looking at the SG250-10P specifically, but I don't see clearly anywhere if the switch has the required feature?

Gander84 by Level 1
  • 399 Views
  • 1 replies
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Hello, I've got 3 Cisco 3750E stacks and would like to turn on bpdu guard on the access interfaces. We are running rstp and I've set one port to port-fast and bpduguard. However when I plugged in an HP switch (set to factory defaults) and a cheap lin...

jkay18041 by Level 3
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  • 9 replies
  • 0 Helpful votes

We are transitioning from older Brocade layer 3 switches to Catalyst 3850 switches with the DC power supplies. With the Brocade switches we ran one power supply to A power and the other power supply to B power. The CPWR-C1-440WDC power supplies of th...

Sherms by Level 1
  • 586 Views
  • 1 replies
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Hi, My English is bad.   I have 3 switches WS-C3850-24T   with sw version   " 03.06.06E0"with license permanet/lifetime of ipbase and lanbase.   I tried use "object-group ACL CLI" but it does not work.   I found this article bug:   https://bst.clouda...

ansator2 by Level 1
  • 3185 Views
  • 5 replies
  • 0 Helpful votes

I have C2960X with IOS Version 15.2(2)E6, from the show logging Oct 24 11:54:25.878: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/0/52: Rx power high warning; Operating value:  -2.9 dBm, Threshold value:  -3.0 dBm. what is the advise for this isssue?

Hello experts.   I am trying to connect a Catalyst 3850 to Nexus 9K.   In the main this has been successful, unfortunately whilst the 9K sees the CDP neighbour fine, and can ping the 3850 switch management address I am unable to ping the 3850 from ot...

Hi, currently we have single Layer 3 switch which is also the gateway of all our VLAN's. We're planning to implement a secondary Layer 3 switch with HSRP. My question is can I configure HSRP with a dummy routed port or dummy SVI and configure the HSR...

Jerome J. by Level 1
  • 942 Views
  • 6 replies
  • 0 Helpful votes

I just added a Cisco 3850 to an existing Cisco 3850, same model#/SW version: Switch Ports Model              SW Version        SW Image              Mode------ ----- -----              ----------        ----------            ----*    1 56    WS-C3850...

Hello Community,   since a few hours colleagues of mine and me are discussing how the switching rate of the Catalyst 9400 Chassis is calculated.   In the data sheet it states that "up to 9.2 Tbps" can be reached, but nowhere is explained how this num...

jgossens by Cisco Employee
  • 993 Views
  • 2 replies
  • 0 Helpful votes