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Hiwe have just pucharced two C1000-48T-4G-L  and both of them have an abonormal fan behavior, an  annoying fan oscillation. FAN speed increases and decreases without a real reason  i have upgraded from IOS 15.2(7)E4 to OS 15.2(7)E6: no changesupgrade...

stefanoV by Level 1
  • 2148 Views
  • 11 replies
  • 0 Helpful votes

I just got a used Cisco SG200-26 switch. Upon powering it up, all of the port status lights illuminate for half a second, then go out. The system light then begins to blink green and stays this way while the unit is powered on. I tried plugging compu...

Brady L by Level 1
  • 3179 Views
  • 3 replies
  • 0 Helpful votes

Hi there. im trying to configure 2 vlans with the same name, one on each switch so they can "ping". but this doesn't work. I have tried with dot1q and trunk but I can't find any solution. Maybe it's because I'm new to this. If you could help me I wou...

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I am experiencing  problem with STP on the below diagram , every time Changes happen at STP over the switches it cause network outage for the network behind the router as well routing table Sw 1 , 2 ,3 ,4 directly connected to each other with trunk p...

JoeGo88_1-1672040392296.png
JoeGo88 by Level 1
  • 1755 Views
  • 12 replies
  • 5 Helpful votes

hellowhen i look to swiths's 'dir' command information i don't know that '-rwx' mean.-rwxr: read / w:wirte / x : executewhat's does the '-' mean that?i think that '-' means doesn't have authoriztion, but look at this under line. [ 727 -rwx 6150 May 2...

lowclear by Level 1
  • 460 Views
  • 1 replies
  • 0 Helpful votes

Good day, newbie here again.I have 5 2960s working normally, but I'm looking to harden their security and improve their overall performance. The network is a simple one, with 3 vlans (guest wifi, corp wifi, and corp network).One detail that annoys me...

Cuda by Level 1
  • 1712 Views
  • 12 replies
  • 0 Helpful votes

Hi everyone,I already configured SSHV2,Now I want to configure specific ciphers, but I couldn't configure any cipherwhich command should I use to configure ssh ciphers?My MDS version is 0 8.4(1)AEAD_AES_256_GCM, AES235-CTR WITH HMAC-SHA2-512

adir868 by Level 1
  • 889 Views
  • 2 replies
  • 5 Helpful votes
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