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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(30)S4
Wide-Area Networking
• CSCsb61367
Symptoms: When you enter the redundancy force-switchover command on a router that is
configured for PPP encapsulation, the IS-IS neighbor comes up in the INIT state.
Conditions: This symptom is observed on a Cisco router that is configured with two RPs that run in
in SSO redundancy mode.
Workaround: To bring up the IS-IS state in the IS-IS neighbor, enter the isis protocol shutdown
interface configuration command followed by the no isis protocol shutdown interface
configuration command on interface that provides the connection to the IS-IS neighbor.
Alternate Workaround: Configure HDLC encapsulation on the router.
Resolved Caveats—Cisco IOS Release 12.0(30)S4
Cisco IOS Release 12.0(30)S4 is a rebuild of Cisco IOS Release 12.0(30)S. The caveats listed in this
section are resolved in Cisco IOS Release 12.0(30)S4 but may be open in previous Cisco IOS releases.
This section describes only severity 1, severity 2, and select severity 3 caveats.
Basic System Services
• CSCsb08386
Symptoms: A router crashes when you enter the show ip /jointfilesconvert/415844/bgp regexp command.
Conditions: This symptom is observed on a Cisco router when BGP is being updated.
Workaround: Enable the new deterministic regular expression engine by entering the /jointfilesconvert/415844/bgp regexp
deterministic command and then enter the show ip regexp command. Note that enabling the new
deterministic regular expression engine may impact the performance speed of the router.
• CSCsb14371
Symptoms: A Cisco 7500 series may log the following error message even if no VIP is installed in
slot 0:
%IPC_RSP_CBUS-3-NOHWQ: Hardware queue for card at slot 0 not found
Conditions: This symptom is observed after a crash of another VIP has occurred. Sometimes the
symptom occurs when a VIP is installed in slot 0 but most of the time there is no VIP in slot 0 when
the symptom occurs.
Workaround: There is no workaround.
Interfaces and Bridging
• CSCeg17576
Symptoms: Traffic loss may occur when you enter the ip multicast-routing and ip pim commands
on an Ethernet interface that is already configured for Xconnect.
Conditions: This symptom is observed only on a Cisco 7200 series and Cisco 7500 series.
Workaround: To enable Xconnect traffic to resume, unconfigure and reconfigure the Xconnect
statement on the Ethernet interface.
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