Cisco Cisco IOS Software Release 12.4(23)
382
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(12a)
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CSCsh44174
Symptoms: After a router has crashed, another crash may occur while the crashinfo is being
generated, and a traceback with memory addresses is displayed.
generated, and a traceback with memory addresses is displayed.
Conditions: This symptom is observed on a Cisco router when, during the crash, the data in key
memory locations is written to a crashinfo file on the bootflash device of the router.
memory locations is written to a crashinfo file on the bootflash device of the router.
Workaround: Specify an alternate storage device to store the crashinfo in the startup configuration,
for example, by adding the following line to the startup configuration:
for example, by adding the following line to the startup configuration:
exception crashinfo disk0:
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CSCuk61422
Symptoms: CEF-switching does not function, and the output of the show adjacency interface
interface-number detail command does not show any packets.
interface-number detail command does not show any packets.
Conditions: This symptom is observed on a Cisco 7500 series that has an RSP when packets are
switched to a multilink interface via CEF and when you enter the show adjacency interface
interface-number detail for a multilink interface.
switched to a multilink interface via CEF and when you enter the show adjacency interface
interface-number detail for a multilink interface.
Workaround: There is no workaround.
IP Routing Protocols
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CSCse97264
Symptoms: Two or more UDP NAT translations that relate to different requests may be assigned port
numbers with the same inside global IP address.
numbers with the same inside global IP address.
Conditions: This symptom is observed on a Cisco 2800 series that runs Cisco IOS
Release 12.3(11)T9 when more than one IP phone attempts to register through a router that is
configured for NAT Overload.
Release 12.3(11)T9 when more than one IP phone attempts to register through a router that is
configured for NAT Overload.
Workaround: There is no workaround.
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CSCsf20947
Symptoms: A default route that is defined by the neighbor default-originate command may be
ignored by the BGP neighbor.
ignored by the BGP neighbor.
Conditions: This symptom is observed on a Cisco router after a route flap in the network causes the
default route to be relearned.
default route to be relearned.
Workaround: Manually clear the BGP neighbor to enable the router to correctly relearn the default
route.
route.
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CSCsg48509
Symptoms: The match-in-vrf keyword is missing from the ip nat inside source command, and the
ip nat inside source command is not accepted at all in interface-configuration mode.
ip nat inside source command is not accepted at all in interface-configuration mode.
Conditions: This symptom is observed on a Cisco 7200 series that runs Cisco IOS interim
Release 12.4(11.6a) or interim Release 12.4(12.03)T but may also affect other routers.
Release 12.4(11.6a) or interim Release 12.4(12.03)T but may also affect other routers.
Workaround: There is no workaround.
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CSCsg50321
Symptoms: A router may hang when you enter the clear ip nat translation * command.
Conditions: This symptom is observed on a Cisco 7500 series that has an RSP when you configure
static NAT for an inside source address.
static NAT for an inside source address.