IP and IPv6 Filters
Page 94 7750 SR RADIUS Attributes Reference Guide
[242] Ascend-Data-Filter and [26-6527-159] Alc-Ascend-Data-Filter-Host-Spec
The format for [242] Ascend-Data-Filter and [26-6527-159] Alc-Ascend-Data-Filter-Host-Spec is
an octet string with fixed length fields. Table 21 displays details on the respective fields.
Table 21: [242] Ascend-Data-Filter Attribute Format
Field Length Value
Type 1 byte 1 = IPv4
3 = IPv6
Filter or forward 1 byte 0 = drop
1 = accept
Indirection 1 byte 0 = egress
1 = ingress
Spare 1 byte ignored
Source IP address IPv4 = 4 bytes IP address of the source interface
IPv6 = 16 bytes
Destination IP address IPv4 = 4 bytes IP address of the destination interface
IPv6 = 16 bytes
Source IP prefix 1 byte Number of bits in the network portion
Destination IP prefix 1 byte Number of bits in the network portion
Protocol 1 byte Protocol number.
Note: match the inner most header only for IPv6
Established 1 byte ignored (not implemented)
Source port 2 bytes Port number of the source port
Destination port 2 bytes Port number of the destination port
Source port qualifier 1 byte 0 = no compare
1 = less than
2 = equal to
3 = greater than
4 = not equal to (not supported)
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