Switching

At our company HQ we have a small block of public IP addresses.  Currently using only one of them, configured as the gateway IP address on the network edge.  We run in-house Exchange which utilizes port 443 for incoming connections to the webmail cli...

Phones stopped working. Getting these in the logs. Rebooted and that fixed it. Dunno if it's an issue with the firmware, or denial of service attack. Had a couple IADs have this problem at the same time and they are in similar ip space so thinking ma...

Looking for Cat6500 switch and SUP2T visio stencils which are not available on  http://www.cisco.com/c/en/us/products/visio-stencil-listing.html

I have a network diagram Why I ping time out !

Hola a todos, Estoy configurando un SG220-50p que va a estar conectado a una línea de fibra FTTH 300/300. Si conecto el portátil directamente al router y hago una prueba de velocidad de ancho de banda, me salen unos resultados de 305/250 +/- pero si ...

All: I have a strange issue with my new RV320 installation. I have been unable to keep an Amazon Alexa connected to its server - the failure period is about 45 minutes-1 hour.  I'm wondering what the RV320 is doing to cause this.  I have a workaroun...

Hi I'm working on getting uRPF enabled on vlan SVI's with a VSS C6880-X-LE running c6880x-ipservicesk9-mz.SPA.151-2.SY9.bin. The configuration below works well with spoofed source IP Addresses being dropped on vlan 100: access-list 155 remark *** DEN...

Hello Guys,I have one question for you about vPC.As shown in attachment, you can see two schemas with three diagrams per schema.Each schemas are separate.- Schemas 1, 1-1 & 1-2 are together- Schemas 2, 2-1 & 2-2 are togetherThe goal is to understand ...

Hi, I would like to know if the VSS will work with 2 federators WS-C4503-E equipped with the following : SUP8L-EWS-X4712-SFP-EWS-X4648-RJ45+E Thank you in advance ,  Best regards,

Hello Experts, Hope you doing well. I need help in migrating clients from our current NTP infrastrucutre which is on ethernet switches to Linux servers. In the current platfrom the NTP source are ethernet switches that get their time source from ext...

Hello I've configured a layer 2 multichassis etherchannel between a VSS 6880 pair (c6880x-ipservicesk9-mz.SPA.152-1.SY1a.bin) and a stack of WS-C3650-48PD (03.07.03E) Etherchannel is up and working fine but I'm getting the following syslogs on the st...

hi, I am getting the following error on my cisco 2960X switches,  I wanted to know why is this error generated and how to fix the same

Hi, I have a requirement to provide a L2 VLAN through a nexus environment built on 7K's between Cat6Ks which so that the Cat6K's can provide first hop redundance using HSRP. I would prefer not to have anything L3 wise on the Nexus, rather just use it...

  Hey guys, how you doing ?I am experiecing issues with HSRP.I have two 7200 core routers connected via one portchannel layer 2 and i set up the HSRP.The switch 01 is the master and 02 is the bkp.the problem is, the bkp router can´t see the master an...