Cisco Systems Cisco MGX 8850 dsppnni-pkttrace

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Cisco MGX 8850 Routing Switch Command Reference
Release 2.0, Part Number 78-10467-04 Rev C0, October 2001
Chapter5 PNNI Commands
dsppnni-pkttrace
dsppnni-pkttrace
Display Packet Trace—display the parameters of a particular packet trace configuration.
This command applies to debugging only.
The dsppnni-pkttrace command displays the packet-trace settings. These sett ings are configured by the
cnfpnni-pkttrace command. You can use a packet trace to examine th e c on te nt s o f th e PN N I H el lo
packets that are exchanged between two neighboring peers.
Note This command is very intrusive. If you exec ut e i t w h il e t he n od e c ar r ies live traffic, Cisco
recommends that you specify on e di re cti o n a t a ti me for the trace.
Cards on Which This Command Runs
PXM45
Syntax
dsppnni-pkttrace <rx |tx>
[node-index [-portId port-id |-svcIndex svc-index]]
Syntax Description
tx | rx Select a direction for the trace to display.
tx: transmit
rx: receive
node-index In the current release, the only supported val ue fo r node-index 1. The node index
indicates the relative level of the l ogical node within a multi -peer group on the switch.
The range is 1–10, and the lowest level is 1.)
Range: 1–10
Default: 1
-portId The port ID in this instance has the f o rm at o f t he lo gi cal ID n u m be r. The form at i s a
32-bit encoded number in the rang e 1–2147483648. If you do not have the port ID in
this form, use the dsppnport command and p r ovi de it with the common p ortID
format of slot[:subslot].port[:subport}. The output of dsppnport shows the logical
number for the port ID. Use this value is for the -portID parameter.
-svcIndex An index of the switched virtual connecti on r o ut ing control channel (SV CC - RC C )
packet trace. This parameter is m eaningful only if you specify node-index.
Default: none
Note The current release does not support Routing Control Channels for
Switched Virtual Connections (S VCC-RCC), so this value must rema in 0.