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I have a Catalyst 9500-24Q that is not passing traffic well.  It is connected to a Cat9300 and several UCS servers via 40G bidi transceivers.  I cannot get iperf to push more than 4 or 5Gbps port to port in the same VLAN on the switch.  This is far f...

Dan Werntz by Level 1
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  • 39 replies
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PoE is not working on my brand new C9300-24P running 17.13.01Here are some of the logs and show commands I have ran thus far based off of this: ( https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9200-series-switches/215636-troubleshooting...

I think flash is corrupt, Anyone please help me to install IOSThanks,I have tried below but wont workswitch: dir usbflash0:Size Attributes Name- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -32768 drw- System Volume Information892195673 -r...

rifasbabu by Level 1
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  • 6 replies
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I have a site with an ISP router and a C9200 switch attached to it.  The switch connects to various edge devices, such as FWs and SDWAN devices.  I want to limit the download bandwidth to each device, so that one device does not consume the ISP bandw...

xzevallos by Level 1
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  • 17 replies
  • 0 Helpful votes

Hello: I have a stack of these switches C3850  and member 1 started to reload. Cisco IOS XE Software, Version 16.12.11 Oct 20 17:39:02.350 gmt: %SYS-2-MALLOCFAIL: Memory allocation of 2796 bytes failed from 0xAAB47E0B78, alignment 8 Pool: Processor F...

RBHRBHRBH by Level 1
  • 1020 Views
  • 13 replies
  • 0 Helpful votes

we are replacing old avaya switches with a Cisco switches and i could not understand the Avaya configuration on which are the etherchannels, access ports, trunk ports, what are the access vlans for the access ports and what is the native vlan? here i...

absuizo14 by Level 1
  • 901 Views
  • 5 replies
  • 0 Helpful votes

Resolved! C3850G-48P Stack

I have a stack of 3 switches all are on ver. 16.6.4 - We received one switch back on RMA, due to it being defective.Made sure the s/w version is the same on all switches, and then cabled them back up with stack-T1-1M stackwise 480 cables.I did not ha...

StarLog by Level 1
  • 908 Views
  • 8 replies
  • 0 Helpful votes