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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(31)S
Conditions: The symptom is observed on a Cisco 12000 series that runs a Cisco IOS interim release
for Release 12.0(31)S.
Workaround: There is no workaround.
CSCeh30999
Symptoms: After you manually clear the tunnel between two PE routers or you reset one of the PE
routers, more than two tunnels are created between the PE routers.
Conditions: This symptom is observed when multiple dynamic or static sessions are configured
between two PE routers that are configured as L2TPv3 tunnel points.
Workaround: Reload both PE routers. If this not an option, there is no workaround.
CSCeh31939
Symptoms: When a 1-port channelized OC-12/STM-4 (DS1/E1) ISE line card is configured for
MVPN on MLP interfaces and you reload the router, the PIM VRF neighbor may not be established
via a tunnel for some MLP interfaces.
Conditions: This symptom is observed on a Cisco 12000 series that runs the gsr-p-mz image of a
Cisco IOS interim release for Release 12.0(31)S.
Workaround: Enter the shutdown interface configuration command followed by the no shutdown
interface configuration command on the affected MLP interfaces.
CSCeh33574
Symptoms: An Engine 4 plus or Engine 5 line card does not come up.
Conditions: This symptom is observed on a Cisco 12000 series that runs a Cisco IOS interim release
for Release 12.0(31)S when IPC timeout errors occur.
Workaround: There is no workaround.
CSCeh34989
Symptoms: One of the following two symptoms may occur on a POS ISE egress line card:
The interface may become stuck during transmission. The line protocol will continuously flap
because the interface continues to receive keepalives but is not able to send any keepalives.
The line card generates the following harmless error message:
%EE48-4-GULF_TX_SRAM_ERROR: ASIC GULF: TX bad packet header detected.
Details=0x4000
Conditions: These symptoms are observed on a Cisco 12000 series when an invalid packet is
forwarded to an egress interface on an ISE line card.
Workaround: If the transmission on the interface is stuck, reload the line card by entering the
hw-module slot x reload command.
CSCeh35411
Symptoms: A 4-port OC-12 POS Engine 2 line card may crash repeatedly when the Cisco 12000
series in which the line card is installed comes up after a software-forced crash has occurred on the
router.
Conditions: This symptom is observed on a Cisco 12000 series that runs the c12kprp-p-mz image of
a Cisco IOS interim release for Release 12.0(31)S, that is configured with two RPS, and that is
configured for SSO. The symptom is more likely to occur when the ipv6 unicast-routing command
is enabled.
Workaround: To diminish the chance that the symptom occurs, disable the ipv6 unicast-routing
command.
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