Specifications

1359
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S1
Workaround: Reload the router and reconfigure traffic- shape.
• CSCed33627
Symptoms: A 3-port Gigabit Ethernet (GE) line card may show BMA error, then run error recovery.
Conditions: This symptom is observed on a Cisco 12008/40 router that is running Cisco IOS
12.0(23)S5. It is configured as an MPLS inter-AS ASBR. It is also configured as a PE router. When
entering the shut command followed by the no shut command on a POS interface on a 8POS LC,
the 3GE LC will show BMA error.
Workaround: There is no workaround.
• CSCed35573
Symptoms: Ping does not go through for large packet sizes.
Conditions: This symptom is observed on a Cisco 12000 series router.
Workaround: There is no workaround.
• CSCed39106
Symptoms: Removal of the primary CSC from a Cisco 12816 router (when all 5 fabric cards are
present in the router), stalls the active RP for about 10 minutes and brings down standby RP to
ROMMON prompt.
Conditions: This symptom is observed on a Cisco 12816 router.
Workaround: Do not do primary CSC OIR.
• CSCed40933
Cisco Internetwork Operating System (IOS) Software is vulnerable to a Denial of Service (DoS)
attack from crafted IPv6 packets when the device has been configured to process IPv6 traffic. This
vulnerability requires multiple crafted packets to be sent to the device which may result in a reload
upon successful exploitation.
More details can be found in the security advisory, which is posted at
http://www.cisco.com/warp/public/707/cisco-sa-20050126-ipv6.shtml.
• CSCed42587
Symptoms: When sending 10 packets from AGT-SRC to AGT-Dest with TTL set to 3 on all packets,
the first packet is dropped.
Conditions: This symptom occurs under the following conditions:
- Applies only to E2 LCs.
- Interface with ACL rule with the “log” option
- Packets with TTL of 3
Workaround: Remove the “log” option from the ACL rule.
• CSCed43228
Symptoms: On a Cisco 12000 series router with 2 GRPs which support SSO mode (Cisco IOS
Release 12.0(24)S and later), when any Engine3 (E3 aka ISE) card is inserted after bringing up both
GRPs in SSO mode, the applied service policy which has WRED configured on this interface, does
not sync with standby GRP.
Conditions: The problem only happens for any E3 card that was not in the chassis when the
secondary RP booted. This will be the case when adding a new E3 LC to an already running system
and configuring it for the first time. E3 cards that were in the chassis by the time the secondary RP
finished booting will not exhibit this behavior.