Installation guide

5–Fibre Channel Over IP
Configuring FCIP
ISR651101-00 C 5-15
The following tables show the suggested TCP window size settings for IP links
based on link speed and round-trip time.
Table 5-4. T1 / DS-1—1.554 Mbps
Round-Trip Time
(ms)
Window Size
(bytes)
Scaling Factor
(2
n
)
250 64K 1
100 32K 0
50 32K 0
25 32K 0
20 32K 0
15 32K 0
10 32K 0
5 32K 0
2.5 32K 0
1 or less 32K 0
Table 5-5. T3 / DS-3—45 Mbps
Round-Trip Time
(ms)
Window Size
(bytes)
Scaling Factor
(2
n
)
250 1M 5
100 512K 4
50 256K 3
25 128K 2
20 128k 2
15 64K or 128K 1 or 2
10 64K 1
5 32K 0
2.5 32K 0
1 or less 32K 0