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I am studying RSTP (PVST+). I understand that the alternate port is a backup to the root port that can immediately begin forwarding if the root port has issues. If a switch has multiple alternate ports, which one is best (chosen) to be new new root p...

Somebody can help me?I'm trying to solve the problem when I must put 16 of HomeRouter in the Packet tracer, it works well when I put 5 routers [see 1st Image]But when I deploy the 6th some devices be disconnected. [see 2nd image]do you know how to so...

alkusr by Level 1
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Our DHCP server is in the same network as our clients, so we don't need to use DHCP helpers. However, we're currently implementing a NAC system which resides in a different network, and for it to have property visibility we need to set DCHP relay on ...

Hi, We have  a 3650 switch and 3850 switch stack configured for high availability.  We want to upgrade the 3650 device and 3850 switch stack members individually is this possible? If so, how can this be accomplish I'm thinking for the high availabili...

Hello,I have the following switch :1x N7K-C7004 with full powers and fan 1x N7K-F248XP-25E2x N7K-SUP2 i want to know how much power should i allocate to this device? because i should pay KwH and i want to know how much do i charge end of the month,No...

Hi, I'm looking to identify the unused ports on all of our switches.So I want to reset the statistics under "show interface summary".  I run that command, and then "clear counters" and confirm "y".  When I then run sho int sum the output is similar t...

Hi GuysWhat are the main reasons these days for deploying nexus switches over a cat 9k for example? do you really get much more performance over the catalyst line?do most people who by nexus these days by them and do native configs, or do you use dcn...

Hi Guyswhen running hsrp between 2 data centres across a lan link, what are people doing these days, in the design guide when running OTV etc it says you should block the hsrp multicast traffic effectively creating anycast gateways on each site.What ...