Linking 2 T1600G-28PS switches

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Linking 2 T1600G-28PS switches

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Linking 2 T1600G-28PS switches
Linking 2 T1600G-28PS switches
2021-07-14 07:01:40 - last edited 2021-07-15 07:29:04
Hardware Version:
Firmware Version: 3

Hey,

 

So I have 2 T1600G-28PS(TL-SG2424P) switches.
 

The first receives a single GB uplink from my router, and the second is connected to the first via the 4 SFP ports that I have in Link Aggregation - so a 4 GB trunk if you will.

My router is set as the DHCP server.

 

For the moment I have in both my switches the default route set to the IP address of my router.

However I want to make sure this is the correct way to go. I'd rather not have all my internal traffic pass through the router first to find a device that's on either one of the switches.
Simply because the router is not made to handle that much traffic ofcourse :p

 

So I was wondering if on the second switch I have to set the default route to the first switch, and only on the first switch the default route to the router.
Or do they automatically know if the device they are looking for is on their own systems, as all traffic from switch 2 automatically goes through switch 1 via the trunk.

 

Thanks!

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Re:Linking 2 T1600G-28PS switches-Solution
2021-07-15 06:53:43 - last edited 2021-07-15 07:29:04

If the devices connecting to both switches are all in the same VLAN, the switches will forward packets directly according to MAC address table, not routing table, so traffic won't pass through the router.

 

But if there are different VLAN interfaces, and your devices need to communicate across VLAN interfaces, they will use a routing table. In this case, on the second switch, you can set the default route pointing to the first switch, then the traffic won't go to router.

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Re:Linking 2 T1600G-28PS switches-Solution
2021-07-15 06:53:43 - last edited 2021-07-15 07:29:04

If the devices connecting to both switches are all in the same VLAN, the switches will forward packets directly according to MAC address table, not routing table, so traffic won't pass through the router.

 

But if there are different VLAN interfaces, and your devices need to communicate across VLAN interfaces, they will use a routing table. In this case, on the second switch, you can set the default route pointing to the first switch, then the traffic won't go to router.

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Re:Linking 2 T1600G-28PS switches
2021-07-15 07:28:59

@Somnus They are all in the same VLAN. Thanks for clearing that out!

So I don't need to change anything to my current setup. Great!!

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