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Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 401b4035..552f6509 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -3760,11 +3760,28 @@ protocol ospf [v2|v3] <name> { In <cf/type ptp/ network configurations, OSPFv2 implementations should ignore received netmask field in hello packets and should send hello packets with zero netmask field on unnumbered PtP links. But some OSPFv2 - implementations perform netmask checking even for PtP links. This option - specifies whether real netmask will be used in hello packets on <cf/type - ptp/ interfaces. You should ignore this option unless you meet some - compatibility problems related to this issue. Default value is no for - unnumbered PtP links, yes otherwise. + implementations perform netmask checking even for PtP links. + + This option specifies whether real netmask will be used in hello packets + on <cf/type ptp/ interfaces. You should ignore this option unless you + meet some compatibility problems related to this issue. Default value is + no for unnumbered PtP links, yes otherwise. + + <tag><label id="ospf-ptp-address">ptp address <m/switch/</tag> + In <cf/type ptp/ network configurations, OSPFv2 implementations should + use IP address for regular PtP links and interface id for unnumbered PtP + links in data field of link description records in router LSA. This data + field has only local meaning for PtP links, but some broken OSPFv2 + implementations assume there is an IP address and use it as a next hop + in SPF calculations. Note that interface id for unnumbered PtP links is + necessary when graceful restart is enabled to distinguish PtP links with + the same local IP address. + + This option specifies whether an IP address will be used in data field + for <cf/type ptp/ interfaces, it is ignored for other interfaces. You + should ignore this option unless you meet some compatibility problems + related to this issue. Default value is no for unnumbered PtP links when + graceful restart is enabled, yes otherwise. <tag><label id="ospf-check-link">check link <M>switch</M></tag> If set, a hardware link state (reported by OS) is taken into consideration. |