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One of our Cisco 9300L switches keeps showing this error:%PM-4-ERR_DISABLE: loopback error detected on Gi2/0/5, putting Gi2/0/5 in err-disable state%PLATFORM_PM-3-LOOP_BACK_DETECTED: Loop-back detected on GigabitEthernet2/0/5This port is our WAN Inte...

Raziel90 by Level 1
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  • 3 replies
  • 0 Helpful votes

Looks like My Catalyst WS-C3850-48P has memory utilization issue. Its running on 16.3.8 version. Can anyone suggest if it's need an upgrade & if yes, to which version?Cisco IOS Software [Denali], Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M),...

background: i business trip to our other a brunch company, cause previous network guy has resigned.so many setup i'm not able to get know. i saw vtp setup in many switch was transport mode.now there is a new switch, i just setup interface vlan1 ip ad...

280120720 by Level 1
  • 1562 Views
  • 12 replies
  • 0 Helpful votes

Hello,As we know VTP pruning is for to eliminate unneccesary vlan. If we have topology likesw1-sw2-sw3Sw2 have vlan 100 and vlan 101Sw3 have vlan 200 and vlan201If we enable the vtp prunning, will sw3 get vlan 200 and 201, or because sw2 have no port...

hs08 by VIP
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  • 3 replies
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Hola, mi nombre es Jose Antonio, resido en la Republica Dominicana, soy nuevo en esto de la configuracion de switches y router.Mi problema es el siguiente, tengo un Router Cisco ASR-1004, con las siguientes tarjetas: SPA-1X10GE, SPA-8X1GE, SFP-10G-LR...

1467672 by Level 1
  • 738 Views
  • 3 replies
  • 0 Helpful votes

Hello everyone!I am looking for some information about this switch.I am looking for a picture or a photo of the back of the switch. The datasheet contains only front and top view. The size of the mounting holes would help a lot.Thanks for every infor...

mkrejsa by Level 1
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  • 3 replies
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Hello community,Recently I ran into interesting situation in production environment. Core Switch were sending packets with incorrect destination MAC address towards Access switch - it was due to some bug. But my question is not about that bug. The th...

Hello, I change all of my switches (netgear/HP) for CISCO C9500 and C9200. I have an issue with WIFI authent Radius with Ruckus AP. There are some Ruckus AP with one AP like master/control. There are some SSID, but just the SSID with Radius authent d...

Translator by Community Manager
  • 1087 Views
  • 3 replies
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I am running 12.4(24)T1 and when I do "terminal monitor" from my SSH session I get no output. I see output in the console when I do something like 'debug ip icmp' but nothing in the SSH session. Any ts'ing tips? Here is 'show logging' Console l...

snickered by Level 1
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  • 4 replies
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Hi allIf i have Layer3 devices connected between them. I want to routing and speaking with ip address so i have 2 choices between i create svi and setup configure as routed port (no switchport). How could i choose between them to the most efficiencyt...