Switching

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Hi guys. I'm currently building a network for my networking assignment. The design is built, ip addresses are configured (except for the wireless devices and connections). but the ping tests keep failing, all packets get lost.A PCs own ping test pass...

deshani by Level 1
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  • 4 replies
  • 0 Helpful votes

Dear all,I created an extended access list in the switch to permit only some IPs to access a specific VLAN but it works for a couple of hours then it started to drop all traffic.Is someone has an idea why this is happening?  ip access-list extended t...

I have a Multi-Layer Switch configured with VLAN 50, which is connected to PCs and a Cisco router. I am attempting to connect multiple devices to my router, including one additional router for WAN connections and two firewalls.To facilitate this, I h...

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Person1 by Level 1
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  • 1 replies
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dears,why i am getting the interval is unknown under the sub interface, i am using sdwan. VRRP it working perfectly  Master Advertisement interval is 100 msec (expires in 76 msec)Master Down interval is unknownFLAGS: 1/1

banoosh by Level 1
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  • 1 replies
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I have an SG220-26P, i have had I for a while now and it has always worked with no problem, after an office move all server and networking equipment was virtualized for the time being and now that we are bringing things back on site the switch seems ...

Bonsoir a tous,J'ai un soucis avec mon cisco 2960 - WS-C2960X-48LPD-L  et ma freebox UltraMa freebox etant connecté sur un port de mon switch Interface 36, celle ci n'arrete pas de faire des deconnexionsextrait de mes logs CiscoOct 21 17:35:23.207: %...

Radors911 by Level 1
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  • 6 replies
  • 0 Helpful votes

one of the 2960X switch in stack of 5 switches booted with new IOS and other with old IOS only when boot varibale is set with new IOS and strange thing is still connected in stack and whole stack working properly 

Having issues with getting the 10G SFP to allow 10Gig. Currently it's only allowing 1Gig. Not sure if there is a simple command to enter in order for this to work, but would take any help on this. Below is a picture for reference.

jmvG24 by Level 1
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  • 5 replies
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Hi all,  Im trying to transfer a IOS image to upgrade a 3850 switch, as soon as I put the USB drive to the front of the switch, I go to the CLI and run the command: show usb-devices summary (it is the only command available) and it shows and display...

Resolved! Catalyst 9000 ACL

HiSo I have a Server at one site 172.16.134.50 sat behind a 9300 SDA Switch  and I want to only allow certain hosts from other sites to access the Server.I want 192.168.110., 192.168.112.10, 192.168.113.10 only to be able to access the Server at 172....