
Interception Techniques and Protocols 93
Figure 4-8 WCCP Redirection Using Hash Assignment
Figure 4-9 WCCP Redirection Using Mask Assignment
Scr IP 1.1.1.10
Dst IP 2.2.2.10
Scr TCP 15131
Dst TCP 80
Src Ip 1.1.10
Result (Index)
Hash Function
Buckets 0–127
WAE 1
Buckets 128–255
WAE 2
Scr IP 1.1.1.10
Dst IP 2.2.2.10
Scr TCP 15131
Dst TCP 80
SrcIp+DstIP+SrcPort+DstPort
Mask (0x1741)
Buckets 0–31
WAE 1
Buckets 32–64
WAE 2
Result (Index)
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