You have to set AppleTalk on the Performa to whatever your internet connection is on; in this case, that would be ethernet. Think of it as the iMac and Performa are creating an AppleTalk network, and the Performa is forwarding the connection to the PowerBook using the LocalTalk Bridge.

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Ok I'll try doing that, I may of not had that before. Thanks

What TCP/IP settings do you have on the Performa?
Is the PowerBook using MacIP (ie, TCP/IP over AppleTalk which is actually IP over DDP)?

What IP subnet is the powerbook on?

What component on the Performa or iMac do you have that packs and unpacks MacIP data from AppleTalk and exchanges that with OpenTransport as IP packets?

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The Performa has a manual IP address connecting using Ethernet. I have two disk drives in the Performa, if I use a manual address I'm unsure of the connection in System 7.6, however if I boot into Mac OS 8.6 and set TCI/IP to DHCP I get an address immediately. The PowerBook only has one connection option "AppleTalk (MacIP)", and I connect to it selecting "MacIP Manually".

Ok on the PowerBook - System 7.1 - AppleTalk is set to the Printer port and is turned on. It has a manual IP address typed in via TCI/IP control panel, set to AppleTalk (MacIP). There is no subnet field to type in.

On the Performa - Mac OS 8.6 - AppleTalk is set to the Ethernet port and is turned on. It has a manual IP addressed tped in via TCI/IP control panel, set to Ethernet. No subnet is typed in the field.

I know LocalTalk Bridge is said to work only on up to System 7.6, so I'm going to reboot the Performa to 7.6 and try and repeat the steps. However it's difficult to see if it's connected to the iMac (the internet) since Internet Explorer 2 keeps crashing.