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According to SBA guide, If there are three or more switches in the stack, the uplinks should be on switches that are not stack master.is there any particular reason .. the uplink should not be in stack master?Thanks,Aung

moaung_sg by Level 1
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So one of the fans has failed in our fan tray on our Core 6513 Switch. I have a New one. I have the instructions on swapping it. Very streight forward. Pull the old one out, then put the new one in. It is hot swappable. I am posting here to see if an...

mikegrous by Level 3
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  • 1 replies
  • 0 Helpful votes

Hello folks! I have troubles understanding the following thing: how do ISPs filter  out/ prevent a LAN from receiving any broadcast advertised routing  protocols? Today, for the fist time, I stared wireshark, to listen to my  ISP's wire, and apart f...

Hello,I'm pretty new in Cisco (still preparing for CCNA), so be understanding if question is obvious.I just don't understand what is a difference betweet router with integrated L2 switch (for example 877) and Layer 3 switch ?I cannot find it anywhere...

mkoniuszko by Level 1
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  • 11 replies
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Recently upgraded to Sup720s w/ 3000w power supplies,high speed fan trays and new line cards in a 6509 chassis. I'm receiving the following log messages:--- Version 1 low-output fan-tray is in effect.--- Module 2 cannot be adequatley cooled--- Module...

Hi all,On 6509  with dual sup 32 and 720 is crashinfo file is enabled by default  on the running configordo we need to configure this option on switch.How can we check in running config if crashinfo is configured or not ?ThanksMahesh

mahesh18 by Level 6
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hiI am facing high cpu utilization problem on my cat 4506E switch in which in betwene the utilization goes up to 45-50% and then automitacally comes down.Software version on the switch is 12.2.53(SG2)as per the show proc cpu output one of teh process...

Hi every body.Based on the last discussion based on the somewhat similar topic( it was how the routers pick picket to transmit out of int), i learnt following.Congestion does not necessary mean that link is congested,  for example if router receives ...

sarahr202 by Level 5
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  • 1 replies
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