* It's a type field, with the type for Alteon jumbo frames.
* See
*
- * http://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
+ * https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
*
* which indicates that, following the type field,
* there's an LLC header and payload.