Switching

I have a 4431 router. G0/0 has subinterfaces (g0/0.1ip 10.10.10.0, .2  ip 10.10.20.0, etc.) for routing internal LAN subnets as this port connects to a switch  and all communicates fine. G0/1 has no configs or IPs as of now and connects to Inside por...

I have a question...   I have environment that has a Voice VLAN already DHCP scope is configured with option 66 pointing to TFTP server e.g: 10.28.2.20 and Avaya phone are running.  We need to put cisco phone on the same vlan.  So i configured DHCP s...

Just some background info first. I used to install Edgewater routers on the network edge to do traffic shaping both upstream & downstream for voice. The affects of configuring traffic shaping on the Edgewater device from a workstation on the LAN pers...

Hi,  I am seeing consistently across all my 3850 access switches that the io memory is very low. Is this a software bug or is it normal? Even when we upgraded to a new IOS version it did not change.    3850-SW# sh mem                     Head        ...

Hi,   We have ordered two Switches CGS-2520-24TC. In the "Hardware Installation Guide", it is mentionned that we need to use a RJ-45 to RS232 converter to connect this RJ-45 Console Port to the PC. Is it possible to connect directly the RJ-45 Console...

Hi Guys, I ran in to a situation during the week that I would like your opinion on. I set up and tested DHCP on a switch. I had a another switch connected through a trunk. I found that devices could ping and communicate across the trunk but DHCP co...

Hi ,  I tried to configure SVI on switch 2960CX ,but users on Different valns cannot reach each other , I checed that up link interface trunk and allowed required Valns , I checked SVI status that UP UP , i am sure that interface assigned to correct ...

 please I want to be able to connect and read data to and from cisco switch and router using a serial connection. I was able to connect to putty and read data. When I connect my pc to a switch serially and I run my script I am not able to read to my ...

does the cat 9407 supports IPSEC tunnels  please help me urgently 

Hi, While I am getting Vlan Flapping on LAN network and seeing regular logs on my core switch - 2. I tried to troubleshoot but not able to succeed. Below is the details attached for understanding and support needed. I have attached network diagram a...

I have problem on some PC in when I change LAN port to another port. I can get IP address from DHCP  Windows Server but receive packet on PC  is 0 byte and show unidentified network. Please help me to investigate this problem.   I tested set Vlan to ...