Cisco Cisco IOS Software Release 12.0 S
1914
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(24)S
Conditions: The conditions under which this symptom occurs are not known at this time.
Workaround: There is no workaround.
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CSCuk37799
Symptoms: A Cisco 12000 series IP Service Engine (ISE) line card reloads when you exceed the
hardware limitation during the configuration of an access control list (ACL).
hardware limitation during the configuration of an access control list (ACL).
Conditions: This symptom is observed after you have first attached the ACL to several Frame Relay
subinterfaces.
subinterfaces.
Workaround: First configure the ACL, and then attach it to the subinterfaces.
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CSCuk37975
Symptom: A router may reload while applying an Access Control List (ACL) to forwarded traffic
via the ipv6 traffic-filter interface configuration command.
via the ipv6 traffic-filter interface configuration command.
Conditions: This symptom is observed when you enter illegal syntax in the submode of the ipv6
access-list global configuration command.
access-list global configuration command.
Workaround: Do not enter illegal syntax in the submode of the ipv6 access-list global configuration
command.
command.
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CSCuk38075
Symptoms: Web Cache Communication Protocol (WCCP) does not function properly when Cisco
Express Forwarding (CEF) is enabled. Bypass packets from the cache engine are dropped instead of
being forwarded.
Express Forwarding (CEF) is enabled. Bypass packets from the cache engine are dropped instead of
being forwarded.
Conditions: This symptom is observed when both WCCP and CEF are enabled.
Workaround: Disable CEF on the router, and rely on IP fast switching.
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CSCuk39189
Symptoms: Leaks may be observed for some Virtual Private Network (VPN) routing and forwarding
(VRF) routes in the global Forwarding Information Base (FIB) table when a VRF is deleted and
recreated.
(VRF) routes in the global Forwarding Information Base (FIB) table when a VRF is deleted and
recreated.
Conditions: This symptom is observed on a Cisco router that is running Cisco IOS Release 12.0 S
or Release 12.2 T.
or Release 12.2 T.
Workaround: There is no workaround.
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CSCuk39337
Symptoms: Virtual Private Network routing and forwarding (VRF) does not function properly on a
Frame Relay link between a provider edge (PE) router and a customer edge (CE) router, and the CE
router cannot ping the PE router.
Frame Relay link between a provider edge (PE) router and a customer edge (CE) router, and the CE
router cannot ping the PE router.
Conditions: These symptoms are observed on a Frame Relay link between a Cisco 10000 series
router that is functioning as a PE router and another Cisco 10000 series router that is functioning as
a CE router.
router that is functioning as a PE router and another Cisco 10000 series router that is functioning as
a CE router.
Workaround: Reload the PE router to make the link between the PE router and the CE router
function.
function.
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CSCuk40086
Symptoms: A Cisco 12000 series Internet router may reload when loading a configuration with 1000
frame-relay sub-interfaces and 2000 IPv6 static routes.
frame-relay sub-interfaces and 2000 IPv6 static routes.