IP Tunneling

Cisco BSTUN/BSC/Bisync Hardware Support Levels

Document ID: 55518

Updated: Nov 12, 2006



This document provides the sets of platforms, interfaces, and related Cisco IOS® Software Releases that support Block Serial Tunnel (BSTUN), binary synchronous communication (BSC), and Binary Synchronous Communication Protocol (Bisync).



There are no specific requirements for this document.

Components Used

This document is not restricted to specific software and hardware versions.


For more information on document conventions, refer to the Cisco Technical Tips Conventions.

Hardware Support Table

Cisco Platform Interface (if applicable) Cisco IOS Software Support
1720 12.0(2)T
2500 10.3
2600 WIC-1T WIC-2T WIC-2AS NM-4AS NM-8AS 11.3(2)XA 11.3(3)T
3600 11.1(7)AA 11.2(5)P
3810 12.0.2aT1
4000 4500 4700 NP4T 10.3
NP-2T16S-RS232 NP-2T16S-V.35 11.2(3)P
7200 PA-4T+ PA-8T 11.2(7)P
1600 11.2(6.4)P

Note: The PA-4T does not support BSC; you must have a PA-4T+. There is no upgrade path from the PA-4T to the PA-4T+.

Related Information

Updated: Nov 12, 2006
Document ID: 55518