IOU can't connect to outside via a switch

Hello all,


i just found that IOU can't connect to outside via a switch. only working with a router. actually i wanna do a testing about Spanning tree with other vender's swithes.

when i used IOU as simulation of cisco switches. it was not working. the interface on the switch never went up where i connected to a CLOUD.


does any one confront this issue? pls give some clues how to solve it?


BTW, has latest GNS been able to do L2/switch simulation better?




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