Cisco Cisco IOS Software Release 12.4(23) Notas de publicación
442
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(10a)
Conditions: This failure is seen on the Cisco 1800, Cisco 2600, Cisco 2800, Cisco 3600, Cisco 3700,
and Cisco 3800 series routers that are configured with an AIM-VPNII or AIM-VPNII PLUS Virtual
Private Network (VPN) encryption and hardware advanced integration module (AIM).
and Cisco 3800 series routers that are configured with an AIM-VPNII or AIM-VPNII PLUS Virtual
Private Network (VPN) encryption and hardware advanced integration module (AIM).
Workaround: Avoid running the show crypto engine accel ring packet command.
Wide-Area Networking
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CSCek55209
Symptoms: If the ppp multilink endpoint mac interface command or the ppp multilink endpoint
ip a.b.c.d command is configured, the router may unexpectedly reload if the multilink interface goes
to the DOWN state, for example, when a PVC virtual-circuit is unconfigured.
ip a.b.c.d command is configured, the router may unexpectedly reload if the multilink interface goes
to the DOWN state, for example, when a PVC virtual-circuit is unconfigured.
Conditions: This symptom is observed on a router with Multilink PPP.
Workaround: Do not use these configuration commands in Cisco IOS Releases 12.3, 12.4 or 12.2SB
without a fix for this DDTS.
without a fix for this DDTS.
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CSCse12198
Symptoms: Individual B-channels on the primary T1 in the NFAS group sometimes go OOS for no
reason.
reason.
Conditions: This symptom is observed when connected to a Cisco PGW that is running Cisco IOS
Release 9.3(2). The Cisco AS5400 is connected to the Cisco PGW that is running RLM in the
Signaling/Nailed mode.
Release 9.3(2). The Cisco AS5400 is connected to the Cisco PGW that is running RLM in the
Signaling/Nailed mode.
Also, sometimes ISDN service goes OOS, and also channel states goes to 5 which is maintenance
pending.
pending.
Workaround: When this happens, put ISDN service can be put back in service manually for
individual CIC, but channel state cannot manually be put back in service unless the whole serial
interface is bounced. This cannot be done when there is other traffic on the other b-channels.
individual CIC, but channel state cannot manually be put back in service unless the whole serial
interface is bounced. This cannot be done when there is other traffic on the other b-channels.
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CSCse34162
Symptoms: A Cisco router hangs after 5 to 10 minutes of passing traffic over a dialer interface.
Conditions: This symptom has been observed on a Cisco router running Cisco IOS Release 12.4(8)
with PPP Multilink configured on a dialer interface and traffic is passing.
with PPP Multilink configured on a dialer interface and traffic is passing.
Workaround: There is no workaround. A reboot is required to recover.
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CSCse81069
Symptoms: Unconfiguring the isdn service b_channel command is not taking effect. The command
is not removed from the running configuration.
is not removed from the running configuration.
Conditions: This symptom occurs when configuring the isdn service b_channel command to a state
other than the default value of 0 on the ISDN D channel.
other than the default value of 0 on the ISDN D channel.
Workaround: To remove the command, shut down the T1/E1 controller first and then unconfigure
the command under the D channel serial interface.
the command under the D channel serial interface.
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CSCse98867
Symptoms: A router may reload when a multilink bundle goes down while packets are flowing.
Conditions: This symptom is observed on a router that is configured for Multilink PPP (MLP) with
hardware compression.
hardware compression.
Workaround: There is no workaround.