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how to determine if the vlan should be created on the s5720?

Created: Mar 29, 2019 09:44:06Latest reply: Mar 29, 2019 09:47:47 248 2 0 0
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I got a new switch, and a older one is replaced by the new one, since the old one is just a layer 2 switch, and no ip or routing was implemented before, so, I just replace it without configuration, it worked fine. but as the same situation, another old switch was replace as the same way, the network break off.
topology as below:

174026h55xaob0lafjaba0.png?sss.PNG

after the engineer checking, we found that we forgot to configure vlan on the LSW2, I'm curious about that why in the first situation, no vlan configuration wouldn't result in the network break off.

  • x
  • convention:

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chenhui
Admin Created Mar 29, 2019 09:46:51 Helpful(0) Helpful(0)

Hi!

If there are other VLANs (except VLAN 1), the other VLAN should be configured on LSW2 to make sure that the network works normally, or the traffic in the other VLAN will be discarded on LSW2.
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  • x
  • convention:

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chenhui
chenhui Admin Created Mar 29, 2019 09:46:51 Helpful(0) Helpful(0)

Hi!

If there are other VLANs (except VLAN 1), the other VLAN should be configured on LSW2 to make sure that the network works normally, or the traffic in the other VLAN will be discarded on LSW2.
View more
  • x
  • convention:

chenhui
chenhui Admin Created Mar 29, 2019 09:47:47 Helpful(0) Helpful(0)

  • x
  • convention:

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