Switching

Hi Everyone, I am new to cisco routers, currently, i am configuring my cisco 881 isr router to connect to the internet using fiber broadband ONT, my provider, gave me the pppoe credentials (username and password) and with the ppp authentication type...

Hi All, I am configured wrap span mode .but i find some configuration issues . My configuration is  switch# configure terminal switch(config-monitor)# interface ethernet 1/1-4 switch(config-if-range)# switchport monitor switch(config-if-range)# no s...

Hi, I have a weird problem regarding how a server sends its responses to client machines. Server ip : 10.1.1.151 Cisco layer 3 switch :  10.1.1.1 Fortigate FW: 10.1.1.9 Server has 10.1.1.1 as its default gateway. All is good except client ip is 10.6...

Hello, I am trying to clarify: I have an SVI inteface and I want to block externally generated traffic coming in to my LAN unless it was originated by internal LAN clients. Therefore I was going to used the 'established' keyword with an 'inbound' ACL...

Hello all, I'm running all Allen Bradley Stratix Industrial switches, which are essentially rebranded Cisco IE switches.  But, the principles should still be the same. Here's my topology: 1x Stratix 5410 (Cisco IE 4010) Layer 3 switch as Core Switch ...

Greetings everyone, I am facing an ARP-cache update problem on a 3850-stack. The issue occurs with a MS filecluster on server 2012 R2 nodes. In short; a gratuitous ARP (GARP) is sent by the node, which is taking the file server role. The 3850-stack d...

Hello all How do I setup RDP for 5 users to connect to their individual desktops computer from the ouside. Thanks

I have had a 2 stack Cisco 3850 in production for the last 3 years with no problems.  Today something very strange happened.  I received a call that the switch lost all connectivity.  I logged into the switch via serial cable and discovered that ther...

Hello, Please define me Ethernet frame and QinQ frame. what are the difference between them. thanks Regards,

I have four 2960-X switches that will be stacked. Before creating the stack, I ran Express Setup on all switches assigning them each a unique IP address. I then connected the switches to my existing network and used Network Assistant to load the most...

Can some one help with the below issue I am having with a Cisco 4507?  I appreciate your help, below is the error i am receving.Feb 14 10:06:09 EST: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 508 times)Packet received with invalid source MA...

I am able to configure a bridge domain on my router.  The issue is, and it may not be an issue.  It happens when I go to an interface. I configure the interface int g0/0/0 bridge-domain 100 then it gives me a sub menu.  Do I need to actually add som...