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test_rsp_rx contains the number of 802.2 Logical Link Control (LLC)
Test responses received by circuit cct. Receipt of a Test response
requires the previous transmission of a Test command. The value
contained in this variable should be 0, as should the value of
test_cmd_tx.
test_rsp_tx contains the number of 802.2 Logical Link Control (LLC)
Test responses issued on circuit cct. Test responses reply to Test
commands and verify the LLC-to-LLC transmission path. The value
contained in this variable and the value contained in text_cmd_rx
should be equal.
tx_cct_ring_cnt This statistic shows the number of packets in the
circuit’s transmit ring. The protocols dump packets whose forwarding
decision has been made into the transmit rings (1 per circuit). The
drivers pull the packets out of the transmit rings and queue them to the
network interface device for transmitting on the media. This statistic is
valid on HP series 200 or 400 routers, and for interface modules on HP
series 600 routers.
tx_dma_drops These are the number of transmit packets dropped by
an interface module due to local port module packet memory conges-
tion (that is, a lack of local packet buffers). This occurs when the output
link on the interface module cannot keep up with the rate at which
packets are being sent to it by the routing engine.
unrecog_pdu contains the number of unrecognized 802.2 Logical Link
Control protocol data units (PDUs) received by circuit cct. An unrecog-
nized PDU is one whose control field indicates other than a UI (Unnum-
bered Information) frame, an XID (Exchange Identification) frame, or a
Test frame.
xid_cmd_rx contains the number of 802.2 Logical Link Control (LLC)
XID (Exchange Identification) commands received by circuit cct. XID
commands request LLC service-type and receive-window-capacity data
from a remote host. The value contained in this variable should equal
the value contained in xid_rsp_tx.
xid_cmd_tx contains the number of 802.2 Logical Link Control (LLC)
XID commands issued on circuit cct. The value contained in this vari-
able should be 0, as should the value of xid_rsp_rx.
Management Information Base Variables
dls: Data Link Services Information Base
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