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Resolved! DOT1X_SWITCH messages causing high response times

Hello fellow experts, We are facing some issues in our Catalyst stack switches that makes them unresponsive for administration. Actually we have some 802.1X configuration against a third party vendor, and sometimes we are getting a bunch of messages ...

EduardR by • Level 1
  • 4625 Views
  • 9 replies
  • 0 Helpful votes

Resolved! Multi-gigabit and 10G SFP+

Hello, So this could be a dumb question.... Looking at the 3850 24UX as a possible device to be used for a small site server and storage solution. The storage and servers are SFP+. Initially my thought was a 3850-12XS with 3M twinax. However since th...

parker.c by • Level 5
  • 4923 Views
  • 4 replies
  • 0 Helpful votes

Cisco 887VA - No OSPF commands

Configured a Cisco 887VA with ospf, everything functional.However after a reboot of the router, now the ospf command is not visible in the command list and can't configure ospf. What is the issue?edge-router-01(config)#router ?  odr     On Demand stu...

Resolved! switch port security

Hy guys, I have some questions regarding to port security on my 2690 catalyst so i enable mode acces on a port i set the following optionsswitchport port-security mac-address stickyswitchport port-security maximum 1switchport port-security violation ...

Resolved! Choice of Stack Master

HelloCurious - I am aware on previous stackable switch platforms it was a Cisco suggestion to select the stack master in a stack of more than 3 switches not have any upliinks, I have from this continued it as a best practice to do this whenever i am ...

Resolved! channel group question

Hello, I have a question on channel groups. We currently have 2 channel groups on a cluster, each going to 2 different switches (different floors so we only have the 2 cable runs to each location). We are replacing both the switches, however we want ...

gavinr98 by • Level 1
  • 1044 Views
  • 4 replies
  • 0 Helpful votes

SG350X-MP Stacking Ports

We have 3 SG350X-MP stacked together.  The master switch is connected to the two slaves directly over SFP ports.  There are no connections between the slave ports. Why are two stacking ports required for each switch?  Is there a main and a backup?  I...

encojosh by • Level 1
  • 471 Views
  • 1 replies
  • 0 Helpful votes

Resolved! No network access from a particular switch...

Hello. We have a user that has a laptop that can not get network access when used on a particular switch. His laptop gets an authenticated by ISE and gets an IP address but can not access/ping any network hosts. His issue just recently started.All ot...

GregH.NY by • Level 1
  • 1197 Views
  • 3 replies
  • 0 Helpful votes

Multicast for IPTV

Hi all dear comunity memebers , I have an issue which couldn't find soluation for . We have an IPTV server & TVs with Cisco 4507R & 2960X switches . The IPTV Vlan is Vlan 3. All configuration we have done seems to be correct and all are on the same V...

mabuzaid1 by • Level 1
  • 3664 Views
  • 6 replies
  • 0 Helpful votes

DENIAL OF SERVICE

Hello Experts, When I tried to check to enable the DOS in switch, cisco document mentioned as below: Step 1. Log in to the web configuration utility and choose Security > Denial of Service Prevention > Security Suite Settings. link: https://www.cisco...

Resolved! Private VLAN no working!!!!

Hello everyone,Although the configuration of private VLANs is straight forward based on the documentation, but i'm not ablw to make it work using the below configuration on Cisco NX 9000 in GNS3 Lab; configure terminalvlan 2private-vlan primaryexitvl...

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