Switching

Hello.Just now I'm trying to understand existing configuration of some datacenter.The pair of N7K are configured with VPC and the port channel for non VPC Vlans.A lot of IBM X-series servers. Some of them are connected to N7K with VPC but some of the...

Hello,after reading several documents, it is not 100% clear for me,if the ws-x4506-gb-T linecard is supported with a SUP5 ( ws-x4516 ) with ios 15.xin a 4503E Chassis . It is listed as a "classic" line card, but some docssay a sup5-10ge or sup6e is n...

What happens when these commands are configured on a router interface and when they are NOT?a) no ip proxy-arpb) no ip redirects

Hello, Very annoying behavior between a C3650 (IOS-XE 03.03.04SE) and a C2950T (121-22.EA14) . I have an MST spanning-tree with 2 instances (MST0 and 1). Same configuration in both but as soon as connect the C2950T on a simple trunk (copper wire CAT6...

Hi, I need some help setting up VLAN on SG300 switch.Here's the toplogy:SG300 switch (VLAN1, and VLAN200)||ASA 5510 firewall||ISP routerVLAN 1 - Interface IP: 192.168.1.5VLAN 200 - Interface IP: 10.10.10.254ASA 5510 - 192.168.1.253Static route has be...

Dear All, I want to authenticate the switches in DMZ zone(Behind Firewall) against AAA server. Config used under line vty is mentioned. Unfortunately our security colleagues are asking me to use SSH instead of telnet as its not secure. Please help me...

Hi, I need to manage our lab remotly, and have setup already set up management. One in a while i need to clear the config (run & start) without loosing my management connection. N7000 no longer supports "copy <file> startup-config", instead suggest u...

Hello,  Recently, I ordered 24 port grade license for Nexus 3524.But, the vendor gave me "LAN_ENTERPRISE_SERVICES_PKG" instead of "24P_UPG_PKG", and keep saying that this license also supports additional 24 ports as well as L3 protocols. And the vend...

We have an exchange server which clients from internal subnets would like to access by establishing connection to an public IP address which is NATed of 109.246.7.99 (this is fake IP).External clients can establish connection to public IP, internal c...

Hi Everyone, i'm going to make a connection between 2 cisco 2960 switches with GLC-SX-MMD multimode sfp's and i mistakenly ordered single mode fibre cables and i'm not sure if this will work. Please advice

Hello,  Kindly, What we mean by  PPP IP Unique Address and Prefix Detection what is the main job ? Kind Regards, 

I have 9 switches in a stack, yes it would not have been my choice to put 9 in a stack, but that is what I am stuck with.I keep getting the following poe controller error%ILPOWER-3-CONTROLLER_ERR: Controller error, Controller number 4: accessing fail...

I bought a cisco 2960s switch with a usb console. How and where do I download the driver to enable my system see it as a com port. Thanks. I want to log in to the switch.