This object contains a list of route state changes
accumulated until the list is full or the time
time interval specified in cItpRtChangeNotifDelayTime
has passed.
It consists of one or more tuples packed
together in the format of '<tuple1><tuple2>...<tuple15>'.
Each tuple consist of 32 octets in the following format.
'<cItpRouteTableName> 20 octets null padded
<cItpRouteDpc> 4 octets
<cItpRouteMask> 4 octets
destination status 1 octet
1 - unknown state
2 - route is accessible
3 - route is inaccessible
4 - route is restricted'
reserved1 1 octet(set to null)
reserved2 1 octet(set to null)
reserved3 1 octet(set to null)
The maximum number of tuples is 15.