Switching

Hi All, I am needing some help understanding the setup of VLANs on my Cisco SG300-52 switch. I am running it in L2 mode as I will be handling the routing via pfSense (connected via uplink port 50). I have created the following VLANs in pfSense both ...

I'm banging my head on this issue. I have two public IP addresses, one I use for web traffic and another for ftp and sftp traffic. I'm able to get to my web server from outside my network without any issues. I can ping the server and port 80 and 443 ...

Hi there, I need help regarding SF220/SG220-series switches. I have not found any articles on the Cisco community forums (not even anywhere else) regarding the 220-series so I decided to write down my problems. I have some experience on using SF220/S...

Hello Team,I am planning an IOS Upgrade of a VSS cluster with 6506-E/VS720-10G.I would like to upgrade from current 12.2(33)SXI2a to 12.2(33)SXJ6.I am using just Standard LAN Enterprise Features. At this time I would like to stay with IOS 12.2 althou...

So I've set up a small lab in GNS3, and I don't know why I can't ping to my default gateway as I've seem to keep getting destination host unreachable. I've narrowed down the problem to the switch I'm using, because without the switch I know I can pin...

Hi everyone, my colleague and I is arguing a situation, can somebody help to provide some information or evidence (IEEE standard) to me for our arguing point. The scenario is pretty simple as bellow: SW_A --- SW_B --- SW_C SW_A & SW_C  spanning-tre...

Hi everybody, i use "iperf3" to see the speed of a switch (not only made by Cisco), putting 2 pc to both the side of the switch. Is there a way to see also the total used bandwidth of a switch, in a specific time? My goal is to see if a switch's ban...

HI All, I want to check on my network for CMP vulnerability on IOS/IOS XE devices. I'm having more than 4000 switches installed and running in my production environment. Could you please give me any suggestion to check all the devices, without logg...

Hi All, I need to controle the amount of bandwidth allocated for each host in a Cisco router without using the classic CBWFQ with ACL and Class-map for each host address. Can someone please propose another solution. Best regards.

I'm trying to understand how far I can push these 3560/3750 switches running ip base.I know they now support OSPF -- which is great.  But for ip multicast, they only support "PIM Stub Routing".I've read and re-read the config guide.  But I still don'...

I have 4 LAN Segments at remote location. There are 4 routers and 4 subsequent switches. There is communication between all the routers and switches except one. Routing and NAT is done. When I try to ping router C from Switch A it is successful but w...