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help subinterface doesnt work

am try hard to change all configuration but still doesn't work :  router model : 881 router configuration  #show running-config Building configuration... Current configuration : 2013 bytes ! ip name-server 87.101.202.133 ip name-server 87.101.203.9...

A7M876 by • Beginner
  • 1178 Views
  • 14 replies
  • 0 Helpful votes

Resolved! LACP Setup

I need to setup LACP channel between two Cisco switches which is a up-link, so I will set it up as trunk. In the following, is the command "spanning-tree guard root" required? Interface range gig1/0/23 - 24no shutno spanning-tree portfastswitchport m...

avilt by • Participant
  • 464 Views
  • 2 replies
  • 0 Helpful votes

POE issue with 2960x-FPD-L on version 15.2(2)E4

hello, every oneI have an issue with poe in 2960x, I have all my poe ports working and after some time when I disconnect one port from poe and reconnect it I will not get poe again until after I reboot the switch.this happened multiple times for me a...

n.bokhar1 by • Beginner
  • 683 Views
  • 2 replies
  • 0 Helpful votes

Resolved! Multicasting between vlan

Hi,I need help for configuration cisco catalist 4500x and catalyst 3750 protokol multicast.swtitch 4500x is set to layer3:ip multicast-routinginterface vlan 200ip pim sparse-modeinterface vlan 203ip pim sparse-modeip pim rp-address (ip 4500x) swtitch...

kkpc by • Beginner
  • 2153 Views
  • 23 replies
  • 0 Helpful votes

Resolved! Nexus 3548 SVI and HSRP routing

Hello Cisco Community!  I'm in the process of designing a datacenter routing change and using SVIs with HSRP to handle routing rather than an edge UTM device.  I ran into the below behavior while testing and wondered if anyone could explain why I mig...

Resolved! 3750x not recognizing SFP

Good morning, I was working on getting two different switch stacks connected using a twinax cable from Startech: https://www.amazon.com/StarTech-com-Compliant-Direct-Attach-Twinax-Cable/dp/B0781VC664/ref=sr_1_5?keywords=startech+sfp+twinax&qid=157435...

A_Marquez by • Beginner
  • 1444 Views
  • 7 replies
  • 0 Helpful votes

Resolved! Out of Band Management

I have been told that I need to set up out of band management for our LAN. I don't need to access the network from a remote site, I just need to be able to access the network via a switch from within the building. I have RDP setup and ssh via my radi...

abarb002 by • Beginner
  • 3347 Views
  • 4 replies
  • 0 Helpful votes

QoS Output explanation

I feel like voice is not being prioritized here: show policy-map interface te1/1/8TenGigabitEthernet1/1/8Service-policy input: AutoQos-4.0-Trust-Dscp-Input-PolicyClass-map: class-default (match-any)16478161787 packetsMatch: anyQoS Setdscp dscp table ...

Resolved! 2960 Port-Security in Packet Tracer

I am using packet tracer 7.2x and the catalyst 2960 switch, I cannot remove the , 'switchport port-security violation restrict' using the , 'no switchport port-security violation restrict'. The switch accepts the command but when I run, 'sh run', the...

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