Cisco Cisco MGX 8880 Media Gateway Release Notes
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Release Notes for Cisco MGX 8880 VXSM Software Release 5.4.21
OL-19207-01
Known MGX 8880 Media Gateway Anomalies
Manual Clocking
When resetcd is invoked, the primary and secondary (if configured) clock sources are recommitted.
However, the clock to which the node is latched is not requalified. Only the backup clock is qualified if
present. Recommitted means that the primary and secondary are requalified, and the node temporarily
latches onto the internal oscillator. After the clock is requalified, the node locks onto the primary clock
source once again.
However, the clock to which the node is latched is not requalified. Only the backup clock is qualified if
present. Recommitted means that the primary and secondary are requalified, and the node temporarily
latches onto the internal oscillator. After the clock is requalified, the node locks onto the primary clock
source once again.
Enabling Priority Bumping
When you enable priority bumping on the node, you cannot change the booking factor for AXSM
signaling ports. You can change the booking factor for non-signaling ports.
signaling ports. You can change the booking factor for non-signaling ports.
Other Limitations and Restrictions
Other limitations and restrictions are as follows:
•
When configuring virtual interfaces (for example, VUNI, VNNI, EVUNI, EVNNI), the physical
interface must be of all one ATM header type, either UNI or NNI. The signaling that is applied to a
virtual port is independent of the actual virtual port ATM header. The only limit is that the VPI value
must be within the UNI ATM header limitations.
interface must be of all one ATM header type, either UNI or NNI. The signaling that is applied to a
virtual port is independent of the actual virtual port ATM header. The only limit is that the VPI value
must be within the UNI ATM header limitations.
•
If command clrchancnt is executed while a dspchancnt command is currently active, the displayed
data is incorrect. To display correct data, restart the dspchancnt after the previous one is complete.
data is incorrect. To display correct data, restart the dspchancnt after the previous one is complete.
•
The clrsmcnf command does not work:
–
For redundant service modules.
–
If an upgrade is in progress.
•
If RPM-XF is configured as a Label Switch Controller (LSC), execution of clrsmcnf command on
those LSC slots is rejected.
those LSC slots is rejected.
•
Configuration information is not synchronized between processor switch modules (PXMs) during
upgrades. If any changes are made to the configuration during upgrades, the standby PXM must be
rebooted. The standby PXM must be rebooted when it is in a stable state.
upgrades. If any changes are made to the configuration during upgrades, the standby PXM must be
rebooted. The standby PXM must be rebooted when it is in a stable state.
Clearing the Configuration on Redundant PXM45 Card
These notes apply to redundant cards.
•
Due to checks to prevent an inserted card from affecting the system, an additional step might be
required when inserting two non native PXM45 cards in a shelf. Insert the first PXM45, use the
clrallcnf command, and allow this to become active before inserting the second PXM45.
required when inserting two non native PXM45 cards in a shelf. Insert the first PXM45, use the
clrallcnf command, and allow this to become active before inserting the second PXM45.
•
After a clrallcnf, explicitly clean up stale SCT files (see anomaly CSCdw80282).
Known MGX 8880 Media Gateway Anomalies
For information about anomalies in MGX Release 5.4.21 on other platforms, refer to the Release Notes
for Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, and Cisco MGX 8830 Switches, Release
5.4.20.
for Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, and Cisco MGX 8830 Switches, Release
5.4.20.