Cisco Cisco IOS Software Release 12.4(4)T
1188
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(6)T9
•
CSCsl90470
Symptoms: Cisco Intrusion Prevention System (IPS) does not inspect intra-zone traffic when router
is configured with zone-based firewall.
is configured with zone-based firewall.
Conditions: Occurs on routers using Cisco IOS IPS and zone-based firewall features.
Workaround: Create a separate zone for each interface. Use an appropriate naming scheme to assist
in identifying which interfaces would normally be in the same zone if not for this issue. Create
service policies that allow all traffic between the interfaces that were previously in the same zone.
in identifying which interfaces would normally be in the same zone if not for this issue. Create
service policies that allow all traffic between the interfaces that were previously in the same zone.
Note: This workaround only works on routers running Cisco IOS Release 12.4(15)T and later
releases.
releases.
Wide-Area Networking
•
CSCeh64479
Symptoms: A router reloads unexpectedly when an apparent Layer Two Forwarding (L2F) packet is
received.
received.
Conditions: This symptom is observed on a Cisco 10000 series that is configured for Virtual Private
Dialup Network (VPDN). However, the symptom is not platform-specific.
Dialup Network (VPDN). However, the symptom is not platform-specific.
Workaround: There is no workaround.
Resolved Caveats—Cisco IOS Release 12.4(6)T9
Cisco IOS Release 12.4(6)T9 is a rebuild release for Cisco IOS Release 12.4(6)T. The caveats in this
section are resolved in Cisco IOS Release 12.4(6)T9 but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(6)T9 but may be open in previous Cisco IOS releases.
The following information is provided for each caveat:
•
Symptoms—A description of what is observed when the caveat occurs.
•
Conditions—The conditions under which the caveat has been known to occur.
•
Workaround—Solutions, if available, to counteract the caveat.
IP Routing Protocols
•
CSCei93768
Symptoms: A Cisco router that is configured for BGP may crash and generate the following error
messages:
messages:
(Note that the hex values of tracebacks and other parameters that are part of the error messages will
vary with different occurrences of the symptom).
vary with different occurrences of the symptom).
%SYS-2-NOTQ: unqueue didn't find 4552953C in queue 454BE738
-Process= "BGP Router", ipl= 0, pid= 195
-Traceback= 4063BE54 4099DC2C 40C60FDC 40C6188C 40C627C8 4191C694 40C628BC
40C3BA10 40C3CCE0
%SYS-2-NOTQ: unqueue didn't find 455294EC in queue 454BE690
-Process= "BGP Router", ipl= 0, pid= 195
-Traceback= 4063BE54 4099DC2C 40C60FDC 40C6188C 40C627C8 4191C694 40C628BC