DECnet Phase IV Circuit Count Adjacency Down

1.3.6.1.2.1.18.6.2.1.11

This counter indicates the number of adjacency losses that result from any of the following: Node listener timeout Invalid data received at node listener Unexpected control (initialization or verification) message received Routing message received with a checksum error Node identification from a routing message or a Hello message that is not the one expected Hello message received indicating that connectivity became one-way Adjacency idled.