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Cisco Community is an active and collaborative place to learn more about our products and ask questions of peers and Cisco experts! Check out some of the most popular conversations happening right now!

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Problem with DHCP in cisco packet tracer

Hi all, im working on a assignment in packet tracer and i am pretty lost i really dont know what i have to change for my DHCP to work properly. Right now no matter what i do im getting this error: DHCP failed. APIPA is being used.I would be very grat...

jaglak400 by • Level 1
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  • 0 Helpful votes

Resolved! Regarding EIGRP Authentication

"Can EIGRP be configured on a per-neighbor basis, or is it strictly an interface-level configuration? I understand that EIGRP authentication is applied to all neighbors on a given interface, which can be limiting in multi-access networks. If I need d...

VXlan food and learn config trouble

Hello Gentlemen,  I was trying to configure VXlan in flood and learn mechanism on nexus 7k. However, the config guide from cisco is asking us to configure to internal interface (facing towards lan) as a non-ip layer 3 interface where we configure se...

Wired connection slower than wifi

Hi everyone, I don't know why my wired connection achieve 150mb/sec in download, but the same computer can achieve almost 300mb/sec in download with wifi. I'm using a cat. 6a cable 2m in length (I also tried other cables). I tried to unplug everythin...

TorePcit by • Level 1
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  • 1 replies
  • 0 Helpful votes

購買二手ISR1100需要使用到DMVPN和BGP功能的話需要注意要有甚麼授權

我在ebay看上一台二手ISR1100預計作為HomeLab跟案場既有設備介接的相容性測試， ebay賣家感覺也是不懂只是將指令"show license all"丟給我就請我自己查，請問需要DMVPN & BGP功能這台設備已有加入的三個授權已包在裡面了嗎？ 如果買二手機Smart License不往cisco.com註冊的話會對使用造成影響嗎? appxk9 appxk9 Smart License appxk9 securityk9 securityk9 Smart License sec...

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VLAN Segmentation

I'm looking for the best approach to configure VLAN segmentation on a core switch where some VLANs can communicate with each other while others are restricted. Here's the scenario with 5 VLANs:VLAN 10: Can communicate with VLAN 20 and VLAN 30 only.VL...

思科2960在接入机台后，内存逐渐爆满，最终导致telnet、console都连不进交换机。

状况：思科2960交换机，型号C2960-24TC-S，版本15.0(2)SE，在接入机台后，内存使用率开始逐渐上升，后即使拔掉网线，内存依旧呈上升状态，后尝试更换交换机，发现情况依旧存在；和其他同环境交换机基本一样配置，其他交换机却没有这种情况。后再输入no macro auto monitor命令后，情况得到有效改善，但其内存使用状态依旧偏高，想问下是什么原因可能导致这样的现象、或是是不是还有其他自启的程式影响了内存、macro auto monitor功能有什么用以及有办法继续优化降低下内...

MacArthur by • Level 1
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  • 1 replies
  • 0 Helpful votes

Pinging of VLANS (Core and Access Switch)

Have you ever experienced VLAN issues? I'm facing an issue where my laptop should be able to ping all VLANs, but it can only ping the VLAN it's assigned to.Here's what I encountered:1. I enabled IP routing on the C9500, but when I run the "show run" ...

RV160 static dhcp table settings

I am a relative novice on the RV160 although I have gone through the initial setup procedure without any apparent issues.  I have three question concerning the Static DHCP table.1.  This may seem dumb, but the "enabled" column shows "Disabled" for al...

Cisco ISE and Switch

Hi All, I have weird issue recently on Cisco ISE and need to seek for some advise. I have deployed the Cisco ISE and switches to adapt the dot1x and mab authentication. however I notice each authorization policy changes will not immediately take effe...

wayne loh by • Level 1
  • 62 Views
  • 0 replies
  • 0 Helpful votes

Enviroments are missing resources

This is my second lab that I start up and each have same issue.I do not see any resources, any switches or devices in the environment.I tried different PC, different browsers.It always looks like no matter what environment I start there are no device...

Jcob by • Level 1
  • 99 Views
  • 1 replies
  • 0 Helpful votes

BGP Finite-State Machine (BGP FSM)

Hello, I've created a flowchart for the BGP FSM. Do you think I have to add or correct anything? The main goal is to learn the most important details.I've used the ENCOR OCG, and these sites:https://www.catchpoint.com/bgp-monitoring/bgp-stateshttps:/...

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a1111 by • Level 1
  • 63 Views
  • 0 replies
  • 0 Helpful votes
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