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RTR Monitoring
5.2 Standard Monitor Pictures
Table 5–1 (Cont.) Standard Monitor Pictures
Picture name Description
traffic Displays a list of the links to other nodes. Shown for each link are: byte rate, packet
rate, message rate and congestion, in both directions. Average packets per second is
also shown.
trans Displays transactions for a frontend, router and backend.
v2calls Shows RTR Version 2 verb usage through the interoperability subsystem. The screen
layout is identical to the RTR Version 2 monitor calls picture.
xa Displays XA counter information including success and failure as well as call and
readonly counters.
The following sections describe the more commonly used standard monitor
pictures in detail.
5.2.1 Monitor ACCFAIL (Link Acceptance Failures)
When configuring RTR it can happen that nodes sometimes fail to connect
up. Whilst the cause of the error can be viewed on the initiator side with the
MONITOR NETSTAT picture, it can be difficult to pinpoint the problem when
looking at the other end of the link. The monitor picture ACCFAIL can be used to
display the reason for the local node to refuse to accept connections. An example:
================================================================================
Unacceptable Links
Most recent links on which a connection attempt was declined
Node: LENGTH Wed Jan 7 1998 10:51:00
--------------------------------------------------------------------------------
Link Transport Name(s) Reason for failure
--------------------------------------------------------------------------------
ilira node is not configured for the facility
dmark.zko.dec.com node not recognized
breal facility name not matched
DMARK DEC:.ZKO.DMARK node not recognized
ilira node is not configured for the facility
dmark.zko.dec.com node not recognized
breal facility name not matched
sfranc node role definitions do not match for
breal facility name not matched
DMARK DEC:.ZKO.DMARK node not recognized
--------------------------------------------------------------------------------
List entries are reused in a cyclical fashion; the most
recent entry is highlighted.
================================================================================
Some of the errors that can be displayed by ACCFAIL are:-
• RTR_STS_NOTRECOGNISED - "node not recognized"
The local node has received a connection request over a link that is not
configured in any facility on the local machine. If you expected the connection
to succeed as the result of having a template link defined, check carefully the
names displayed in the monitor picture. These are the names obtained from
the network transport over which the link connection attempt was received,
and it is with these that a match with a template (wildcard specification)
link must succeed. Bear in mind that the name match is performed in a case
sensitive manner. Names corresponding to TCP links may or may nor contain
5–4 RTR Monitoring