I have 2 SF-300 48 port switches and connected to 847 router for intervlan routing. I configure 7 vlan in SW1 and uplink to SW2 with trunkport.
The problem is that if i used default gateway for users ip address of interface (vlan interface) is ok. I bring two adsl modem and connected to vlan1 and vlan2 for internet access. When i connected this two modem vlan 1 and vlan 2 are not going to access other vlan 3,4,5,6,7 and wise versa.
vlan1 users getting default gateway from adsl modem ip, how i can permit this two vlan should to access other vlan 3,4,5,6,7 and 3,4,5,6,7 should access to internet also.
Hi Mr, to try to fix this, you can have the switch doing DHCP for you on the latest firmware.
On my switch I have vlan 1 and 2 vlan. I set up DHCP to service through my vlan 2.
My vlan 1 is 192.168.100.129
My vlan 2 is 192.168.2.254
int vlan 1
ipaddress 192.168.100.129 /24
int vlan 2
ip address 192.168.2.254 /24
ip dhcp server
ip dhcp pool network vlan 2
address low 192.168.2.10 high 192.168.2.50 255.255.255.0
lease infinite <-- make the least time to not expire
default-router 192.168.2.254 <--- specifies the vlan 2 SVI as the gateway
dns-server 184.108.40.206 <-- I chose random DNS
You can set up dhcp pools for every vlan and have the switch assign the connecting clients the IP within the SVI they connect to. Then to make the modem work you will need a static route pointing back to the switch to be able to route the traffic.
If you need a visual effect for a router that doesn't support vlans please look at this topic-
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