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Clearview IPMP manpages
@@ -165,10 +165,47 @@
is to be turned off. A process may ignore all messages from
the routing socket by doing a shutdown(3SOCKET) system call
for further input.
+ By default, underlying IP interfaces in an IPMP group are
+ not visible to routing sockets. As such, routing sockets
+ will not receive events related to underlying IP interfaces
+ in an IPMP group. For consistency, when an IP interface is
+ placed into an IPMP group, *RTM_DELADDR* messages will be
+ generated for each of the *IFF_UP* addresses that are not
+ migrated to the corresponding IPMP IP interface, and an
+ *RTM_IFINFO* message will be sent indicating that the
+ interface is now down. Similarly, when an underlying
+ interface is removed from an IPMP group, an *RTM_IFINFO*
+ message will be sent indicating that the interface is again
+ up, and *RTM_NEWADDR* messages will be generated for each
+ *IFF_UP* address found on the interface.
+
+
+ The *RT_AWARE* socket option at the *SOL_ROUTE* level allows
+ an application to indicate its awareness of certain
+ features, which controls routing socket behavior. The
+ supported values are:
+
+ *RTAW_DEFAULT* Default awareness.
+
+ *RTAW_UNDER_IPMP* IPMP underlying interface awareness.
+ When this is enabled, underlying IP
+ interfaces in an IPMP group will remain
+ visible to the routing socket and
+ events related to them will continue to
+ be generated.
+
+
+ An *RTM_ADD* request tied to an underlying IP interface in
+ an IPMP group will be translated to an *RTM_ADD* request for
+ its corresponding IPMP IP interface. All routing socket
+ requests other than *RTM_ADD* and *RTM_GET* will fail when
+ issued on an underlying IP interface in an IPMP group.
+
+
If a route is in use when it is deleted, the routing entry
is marked down and removed from the routing table, but the
resources associated with it are not reclaimed until all
references to it are released.