Cisco Cisco IOS Software Release 12.4(23) Notas de publicación
774
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(3j)
Workaround: There is no workaround.
•
CSCsb26163
Symptoms: Tracebacks are generated in the “isdn_carrier_timeout” function during a dialout test.
Conditions: This symptom is observed only when the dialer order round-robin command is
enabled.
enabled.
Workaround: Try a different dialer order such as last successful or sequential to prevent the
tracebacks from being generated.
tracebacks from being generated.
•
CSCsb45201
Symptoms: A router crashes during RBP data transfer in the direction from X.25 to RBP.
Conditions: This symptom is observed only when RBP receives an X.25 data packet that is larger
than the configured RBP record size.
than the configured RBP record size.
Workaround: On the RBP map, configure the RBP record size to be larger than the maximum
X.25 packet size.
X.25 packet size.
•
CSCsb58447
Symptoms: In a VPDN callback configuration, a callback call is successfully initiated and
connected. However, when IPCP is successfully negotiated, the LNS receives an LCP CONFREQ
message, causing the established PPP session to be disconnected and LCP to renegotiate again. This
situation repeats itself continuously and may cause sporadic IP connectivity. Eventually, the call is
cleared completely because the tunnel is disconnected by the LAC.
connected. However, when IPCP is successfully negotiated, the LNS receives an LCP CONFREQ
message, causing the established PPP session to be disconnected and LCP to renegotiate again. This
situation repeats itself continuously and may cause sporadic IP connectivity. Eventually, the call is
cleared completely because the tunnel is disconnected by the LAC.
The output of the debug ppp negotiation command on the LAC shows that the LAC never finishes
the PPP LCP negotiation with the client during the callback call. This situation causes the LAC to
disconnect the tunnel.
the PPP LCP negotiation with the client during the callback call. This situation causes the LAC to
disconnect the tunnel.
Conditions: This symptom is observed on a Cisco 3660. However, the symptom is
platform-independent.
platform-independent.
Workaround: Enter the no ppp lcp fast-start command on the relevant asynchronous interfaces on
the LAC.
the LAC.
•
CSCsb83459
Symptoms: A router may reload when many PPPoE sessions are being initiated while memory
availability is low or when many PPPoE sessions are being initiated and terminated.
availability is low or when many PPPoE sessions are being initiated and terminated.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS interim
Release 12.3(12.5) or a later release, interim Release 12.3(12.4)T or a later release, or any release
of Release 12.4 or Release 12.4T.
Release 12.3(12.5) or a later release, interim Release 12.3(12.4)T or a later release, or any release
of Release 12.4 or Release 12.4T.
Workaround: There is no workaround.
Resolved Caveats—Cisco IOS Release 12.4(3j)
Cisco IOS Release 12.4(3j) is a rebuild release for Cisco IOS Release 12.4(3). The caveats in this
section are resolved in Cisco IOS Release 12.4(3j) but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(3j) but may be open in previous Cisco IOS releases.
•
CSCsl68368
Symptoms: The image c2801-advipservicesk9-mz.124-3i.bin fails to load using the tftpdnld-r
command with the following error message:
command with the following error message:
*** TLB (Load/Fetch) Exception ***
Access address = 0x0