Cisco Cisco IOS Software Release 12.4(4)T
1122
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(9)T3
Workaround: Before you configure a pseudowire on the virtual PPP interface, ensure that the virtual
PPP interface has never been unconfigured via the no interface virtual-ppp number configuration
command.
PPP interface has never been unconfigured via the no interface virtual-ppp number configuration
command.
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CSCek60025
Symptoms: A ping may be dropped in a PPP callback scenario.
Conditions: This symptom is observed on a Cisco router when Multilink PPP (MLP) and the dialer
load-threshold command are enabled.
load-threshold command are enabled.
Workaround: There is no workaround.
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CSCek62099
Symptoms: When Multilink PPP (MLP) is enabled for a PPP over Ethernet (PPPoE) session,
outbound packets are incorrectly sent without PPPoE headers. This situation causes packets to be
dropped.
outbound packets are incorrectly sent without PPPoE headers. This situation causes packets to be
dropped.
Conditions: This symptom is observed in Cisco IOS Release 12.4 on all software-forwarding routers
and affects only packets that are not multilink-encapsulated (when the bundle has only a single link).
and affects only packets that are not multilink-encapsulated (when the bundle has only a single link).
Workaround: Enter the ppp multilink fragment delay interface configuration command to force
multilink headers to be applied to all outbound packets.
multilink headers to be applied to all outbound packets.
Alternate Workaround: Disable MLP.
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CSCek67875
Symptoms: During a test of B-Channel Maintenance Procedure (BCAC), incoming SERVICE
message is not printed with correct channel
message is not printed with correct channel
Conditions: This symptom is observed in SERV collision and SETUP collision.
Workaround: There is no workaround.
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CSCse05777
Symptoms: A router may reload unexpectedly when you configure more multilink interfaces than
the maximum number that the router can support. The router should not reload but should generate
an error message.
the maximum number that the router can support. The router should not reload but should generate
an error message.
Conditions: This symptom is observed on any Cisco router that imposes a limit on the number of
multilink interfaces.
multilink interfaces.
Workaround: Do not exceed the maximum number of multilink interfaces.
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CSCse34162
Symptoms: A Cisco router hangs after 5 to 10 minutes of passing async traffic over a dialer interface.
Conditions: normal
Workaround: There is no workaround. A reboot is required to recover.
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CSCse78652
Symptoms: The queuing mode on multilink interfaces erroneously defaults to fair-queuing instead
of FIFO, causing distributed Cisco Express Forwarding (dCEF) to fail.
of FIFO, causing distributed Cisco Express Forwarding (dCEF) to fail.
Conditions: This symptom is observed on a Cisco 7500 series and occurs for all multilink interfaces.
However, the symptom is platform-independent.
However, the symptom is platform-independent.
Workaround: There is no workaround.
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CSCsf30411
Symptoms: In L2TP dialout, fail over with limit and priority options specified gives incorrect output
of the show vpdn command, making the limit option unusable.
of the show vpdn command, making the limit option unusable.