05-10-2012 12:26 AM
Dear Community Members,
I start writing this post telling you that I'm not a qualified network admin, so I beg your pardon if I do not use appropriate terms in my question. Also my english in not so good since I'm Italian and my english in almost scholastic.
This is the "story" :
I bought two switches as described above and actually I have to create 2 VLANS as described below :
VLAN id 2 name "Service_A" ports 1-4
VLAN id 3 name "Service_B" ports 7-9
all other ports can stay in default VLAN1.
my network infrastructure have some other very simple swtiches connected and 1 soho router (static ip 192.168.1.1) with dhcp active and ip pool address released from 192.168.1.100 to 200.
the SG200-26 have static ip 192.168.1.254 and 192.168.1.253
MY NEEDS:
I need VLAN for privacy matter so all computer connected to ports in VLAN2 cannot see nor enumerate PCs and resources on other VLANs,
but I also absolutely NEED that all computer in every ports (and every VLAN even default VLAN1) can access the internet.
MY ATTEMPT:
I set port 25 and 26 as trunk and all other ports as access. I intented to use 26 as uplink to other switch and 25 to exit to the internet.
Created VLANs but only the VLAN in wich I set 25 as untagged can reach internet.
I asked a Cisco qualified tecnician and give him the switches to work with, but after 2 days of attemptes he said to me that it's not possible
to do what I need.
MY PRAYER:
Please, I desperately need your help, I'm really loosing sleep over this problem!
05-10-2012 09:37 AM
Hello Gianluca,
In order for this setup to work, you will have to have a router that supports multiple vlans. You did not mention the model of the router or if it does this so I wanted to first mention that.
I understand your setup to be as follows- Internet -> Router -> Switch 1 -> Switch 2
On each port that connects a network device you will want to set the following-
Trunk port
Vlan settings of 1U, 2T, 3T
This allows default vlan of 1 and also other vlans
On other ports (1-4 , 7-9) you want to set them as follows-
Access port
Vlan of 2U OR 3U
This puts that port into the vlan of your choice
This will be the configuration needed, but again, you must have a router that will support vlans or multiple subnets.
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide