Foundation Summary 461
Table 12-6 compares SDLC with LLC2.
Table 12-5
SDLC Compared with LLC2
Protocol
SDLC
LLC2
Speed
9600 bps to 1.5 Mbps
4, 16, and 25 Mbps
Medium
Serial links
Token Ring
Frames
265 bytes or 512 bytes
512 bytes up to 4470 bytes
Window
8 frames
128 frames
Mode
Normal response
Async balanced
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