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Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index e85ebf18..761c5396 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -1196,27 +1196,29 @@ foot). This type can hold a network prefix consisting of IP address, prefix length and several other values. This is the key in route tables. - Prefices may be of several types, which can be determined by the special - operator <cf/.type/ of type <m/enum/. The type may be: + Prefixes may be of several types, which can be determined by the special + operator <cf/.type/. The type may be: - <cf/NET_IP4/ and <cf/NET_IP6/ prefices hold an IP prefix. The literals are - written as <cf><m/ipaddress//<m/pxlen/</cf>, + <cf/NET_IP4/ and <cf/NET_IP6/ prefixes hold an IP prefix. The literals + are written as <cf><m/ipaddress//<m/pxlen/</cf>, or <cf><m>ipaddress</m>/<m>netmask</m></cf>. There are two special - operators on IP prefices: <cf/.ip/ which extracts the IP address from the - pair, and <cf/.len/, which separates prefix length from the pair. + operators on IP prefixes: <cf/.ip/ which extracts the IP address from + the pair, and <cf/.len/, which separates prefix length from the pair. So <cf>1.2.0.0/16.len = 16</cf> is true. - <cf/NET_VPN4/ and <cf/NET_VPN6/ prefices hold an IP prefix with - VPN Route Distinguisher (<rfc id="4364">). They support the same special - operators as IP prefices, and also <cf/.rd/ which extracts the Route Distinguisher. - Their literals are written as <cf><m/vpnrd/ <m/ipprefix/</cf> + <cf/NET_VPN4/ and <cf/NET_VPN6/ prefixes hold an IP prefix with VPN + Route Distinguisher (<rfc id="4364">). They support the same special + operators as IP prefixes, and also <cf/.rd/ which extracts the Route + Distinguisher. Their literals are written + as <cf><m/vpnrd/ <m/ipprefix/</cf> - <cf/NET_ROA4/ and <cf/NET_ROA6/ prefices hold an IP prefix range together - with an ASN. They support the same special operators as IP prefices, and also - <cf/.maxlen/ which extracts maximal prefix length, and <cf/.asn/ which extracts the ASN. + <cf/NET_ROA4/ and <cf/NET_ROA6/ prefixes hold an IP prefix range + together with an ASN. They support the same special operators as IP + prefixes, and also <cf/.maxlen/ which extracts maximal prefix length, + and <cf/.asn/ which extracts the ASN. - <cf/NET_FLOW4/ and <cf/NET_FLOW6/ hold an IP prefix together with - a flowspec rule. Filters currently don't support flowspec parsing. + <cf/NET_FLOW4/ and <cf/NET_FLOW6/ hold an IP prefix together with a + flowspec rule. Filters currently don't support flowspec parsing. <tag><label id="type-ec">ec</tag> This is a specialized type used to represent BGP extended community |