T1600G-28PS V3.0 vs T1600G-52TS V3.0 LAG and VLAN
T1600G-28PS V3.0 vs T1600G-52TS V3.0 LAG and VLAN
T1600G-28PS V3.0 vs T1600G-52TS V3.0 LAG and VLAN
Friday

Hi!

We have LOT of problems with Ver 3.0 Jetstream Switches Until now we change them to V2.x Switches. But this is not available now. 

If i create a LACP LAG in TP-Link V3 Switch, working only a few minutes, then drop one or more or all ports. Indifferent wich type of switch th other. (HP, 3com, TP-Link V1~3).

Now i try create LAG  a T1600G-28PS V3.0 to a T1600G-52TS V3.0. I configured lot of switches and i don't understand why not working on JetStream v3.0. 

The 28PS is named below "28" the 52TS named below "52".

 

The config:

 

28:

Port 23-24 Active LAG (LACP) in untagged vlan 512 PVID 512 other vlans on tagged (481.482.483,484,485,486,487,488,489,490,491) on this ports (23-24 and LAG) only All other ports untagged 481, Except port 2 is vlan 1 for config, and port 1 in untagged 512 for config in future. Set up an interface on vlan 512 with 10.32.0.189  IP, and 255.255.255.0 mask.

 

52:

Port 43-44 Active LAG (LACP) in untagged vlan 512 PVID 512 other vlans on tagged (481.482.483,484,485,486,487,488,489,490,491) on this ports (43-44 and LAG only) All other ports untagged 482, Except port 2 is vlan 1 for config, and port 1 in untagged 512 for config in future. Set up an interface on vlan 512 with 10.32.0.191  IP, and 255.255.255.0 mask.

 

I connect to switch's (28) on ip 10.32.0.189 (vlan 512 port 1) web config. Working. I plug in the LAG. The switch realize and communicate on the webpage, the 23-24 ports on active LAG. After 5~10 Seconds, the LEDs on the switch start blinking like a madness. On the Switch's LAG's lower port (24) and (43) blinking FAST. And the port 1 in switch 28 (this port used to connect the switch now). The web page slowing, the LAG has only onle link (24). Next update, the switch 28 unreachable. 

 

I connect to switch 28 port 2 (system vlan default ip) The web page slow. Not slow, SLOOOOOOW!, and the LAG has no ports. Vlan 512 inaccessible No ping no webpage. CPU utilization 40% Traffic 0% in log: NOTHING

 

I disconnect LAG, then the 512 vlan interface is accessible again. I reconnect LAG the problem comes again.

 

I programmed lot of Switch and until V3.0 this method working always on HP, 3COM, and TP-Link switches. I managed over 400 Enterprise switch without problem.

 

So What is the problem?

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2 Replies
Re:T1600G-28PS V3.0 vs T1600G-52TS V3.0 LAG and VLAN
20 hours ago

Hi Blaszlo

 

"Switch start blinking like a madness." It seems that your network has loop. You can check the LAG. If LAG doesn't establish normally, it will form the loop.

 

I used the tp-link switch before. After I configured the LAG, I need to re-configure the layer2 function. Such as the following. I need to re-configure VLAN and need to click LAGS to configure VLAN for LAG group. Just remind you that we need to re-configure the layer2 function.

 

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#2
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Re:Re:T1600G-28PS V3.0 vs T1600G-52TS V3.0 LAG and VLAN
17 hours ago

Hi!

 

Thank you the answer, but the lag is configured. Before write here, i read lot of post of this forum and other sites. 

 

I set the lag untagged vlan, lag port primary vlan, the included ports untagged vlan AND primary vlan. 

 

Same vlan = not working

if the ports other vlan (an unused techical) = not vorking.

 

I set up the last 2 ports on switches AND lag untagged 512 vlan THEN i set the last 2 ports on swithes AND the LAG PVID to 512.

 

the switches last 2 ports in the lag (23-24 to 47-48)

 

AND i set up port 1 untagged 512 and pvid 512. Nothing else. all other ports in system vlan. 

 

I can't reach the secondary switch, trough, the primary switch. The packet capture show a thing: No ARP reply from switches. The lot of ARP query is blinking the leds, but no ARP reply.

 

So?

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