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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
Wide-Area Networking
CSCea30197
Symptoms: When the keep-exchanges argument in the frame-relay lmi-n391dte keep-exchanges
command has a value that is lower than 3, Frame Relay Autosensing does not function.
Conditions: This symptom is observed on a Cisco 7500 series and Cisco 7600 series but may be
platform-independent.
Workaround: Ensure that the value of the keep-exchanges argument is not lower than 3.
CSCef71011
Caveat: Pings fail when Translational Bridging and ATM DXI encapsulation are configured.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.0S,
Release 12.2S, or a release that is based on Release 12.2S.
Workaround: Do not configure ATM DXI encapsulation. Rather, configure HDLC, PPP, or Frame
Relay encapsulation.
CSCeg53851
Symptoms: IP routes are not updated across an ISDN link.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.0S or
interim Release 12.3(12.8).
Workaround: There is no workaround.
CSCeg88174
Symptoms: Drops occur in a class in which the throughput does not oversubscribe the allocated
bandwidth for the class.
Conditions: This symptom is observed when multilink Frame Relay is configured along with generic
traffic shaping or Frame Relay traffic shaping and when several class maps are configured.
When one class map starts dropping packets because the throughput is greater than the allocated
bandwidth (which is normal behavior), drops may also occur in another class map even though this
class map is not oversubscribed. The root cause of this symptom is that the bundle is oversubscribed
and tx rings are building up, causing excessive misordering that the receiver cannot handle.
Workaround: Configure a fancy queue on the bundle interface through which the traffic is sent.
CSCeg88737
Symptoms: A Cisco 7200 series may crash because of memory corruption.
Conditions: This symptom is observed when the router has an input QoS configuration on an MFR
interface.
Workaround: There is no workaround.
CSCsa49019
Symptoms: A memory leak may occur in the “Multilink Events” process, which can be seen in the
output of the show memory summary command:
0x60BC47D0 0000000024 0000000157 0000003768 MLP bundle name
0x60BC47D0 0000000028 0000000003 0000000084 MLP bundle name
0x60BC47D0 0000000044 0000000001 0000000044 MLP bundle name
0x60BC47D0 0000000048 0000000001 0000000048 MLP bundle name
0x60BC47D0 0000000060 0000000001 0000000060 MLP bundle name
0x60BC47D0 0000000064 0000000013 0000000832 MLP bundle name
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