Token Ring¶

Token Ring is a LAN network technology provided by IBM

• 3Com TokenLink Velocity
• IBM PCI Token Ring Adapter
• IBM Turbo 164 Token-Ring PC Card 2
• Linux Token Ring
• Madge Smart 164 PCI Ringnode Mk3

Various oken ring hacks¶

See the git repository at https://gitea.osmocom.org/retronetworking/token-ring-hacks

software bridge (ethernet <-> token ring)¶

The tr-hacks.c program is an attempt at transparent bridging of token ring frames to 802.2 LLC on the ethernet side.

Further reading¶

A number of documents explaining various aspects of token ring are attached to this wiki page. Click the "Files" label on the bottom left.

Links¶

• Teardown of a vintage IBM ISA TokenRing card and controller IC