Cisco Cisco IOS Software Release 12.4(23) 릴리즈 노트
573
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(7f)
CUCM H.225 trunks register to a gatekeeper (GK) cluster. Gatekeeper 1 (GK1) and gatekeeper 2
(GK2) are members of the GK cluster. The CUCM registers first to GK1, then fails over to GK2.
This registration at GK2 sends an alternate registration to GK1. However, because of network issues,
the unregistered indication does not reach GK1.
(GK2) are members of the GK cluster. The CUCM registers first to GK1, then fails over to GK2.
This registration at GK2 sends an alternate registration to GK1. However, because of network issues,
the unregistered indication does not reach GK1.
When the H.225 trunk attempts to register with GK1, it is rejected because the alternate registration
is still present, and there is no way to clear it.
is still present, and there is no way to clear it.
10.9.20.3 34273 10.9.20.3 32853 SJC-LMPVA-GK-1 H323-GW A
ENDPOINT-ID: 450FC24400000000 VERSION: 5 AGE: 1618993 secs
SupportsAnnexE: FALSE
g_supp_prots: 0x00000050
H323-ID: SJC-LMPVA-Trunk_4
Workaround: Reset the gatekeeper by entering the shutdown command followed by the no
shutdown command, or reboot the affected GK.
shutdown command, or reboot the affected GK.
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CSCek38201
Symptoms: A router may reload or display an alignment traceback when you enter the show crypto
socket command.
socket command.
Conditions: This symptom is observed on a Cisco router that has an OSPFv3 IPSecv6 configuration.
Workaround: There is no workaround. To prevent the symptom from occurring, do not enter the
show crypto socket command in an OSPFv3 IPSecv6 configuration.
show crypto socket command in an OSPFv3 IPSecv6 configuration.
•
CSCek55486
Symptoms: The native Gigabit Ethernet (GE) interface on an NPE-G1 card may reset unexpectedly.
Conditions: This symptom is observed on a Cisco 7200 series when the underrun counter for the
native GE interface increments continuously. You can verify the underrun counter in the output of
the show interfaces gigabitethernet slot/port command.
native GE interface increments continuously. You can verify the underrun counter in the output of
the show interfaces gigabitethernet slot/port command.
Workaround: There is no workaround.
•
CSCsc72722
Symptoms: TCP connections that are opened through a Cisco IOS Firewall (CBAC) may not
timeout.
timeout.
Conditions: With Cisco IOS Firewall (CBAC) enabled, the TCP idle timer for a session may be reset
even by TCP packets that fail TCP inspection and are subsequently dropped. This could lead to the
TCP session not timing out.
even by TCP packets that fail TCP inspection and are subsequently dropped. This could lead to the
TCP session not timing out.
Workaround: There is no workaround.
•
CSCse24889
Symptoms: Malformed SSH version 2 packets may cause a memory leak, causing the platform to
operate under a degraded condition. Under rare circumstances, the platform may reload to recover
itself.
operate under a degraded condition. Under rare circumstances, the platform may reload to recover
itself.
Conditions: This symptom is observed on a Cisco platform that is configured for SSH version 2 after
it has received malformed SSHv2 packets.
it has received malformed SSHv2 packets.
Workaround: As an interim solution until the affected platform can be upgraded to a Cisco IOS
software image that contains the fix for caveat CSCse24889, configure SSH version 1 from the
global configuration mode, as in the following example:
software image that contains the fix for caveat CSCse24889, configure SSH version 1 from the
global configuration mode, as in the following example:
config t
ip ssh version 1