This book is a comprehensive guide detailing available bridging and IBM networking alternatives. It details Cisco's support for networks in IBM and bridging environments. Covers the latest in networking protocols for both Enterprise and Service Provider network environments. This support includes transparent and source-route transparent bridging, source-route bridging (SRB), remote source-route bridging (RSRB), data link switching plus (DLSw+), serial tunnel and block serial tunnel, SDLC and LLC2 parameters, IBM network media translation, downstream physical unit and SNA service point, SNA Frame Relay access support, Advanced Peer-to-Peer Networking, IBM Networks and Bridging will help readers perform their jobs at a higher level. It offers system optimization techniques, which will strengthen results, increase productivity and improve efficiency.