Cisco Cisco IOS Software Release 12.4(4)T
1222
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(6)T6
Conditions: This symptom is observed on a Cisco router that is configured for Multilink PPP.
Workaround: There is no workaround. Do not use these configuration commands in Cisco IOS
Releases 12.3, 12.4 or 12.2SB without a fix for this DDTS.
Releases 12.3, 12.4 or 12.2SB without a fix for this DDTS.
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CSCek56250
Symptoms: A router may reload while executing the show ppp multilink command.
Conditions: This symptom is observed when a multilink bundle goes down while the output is being
generated.
generated.
Workaround: There is no workaround.
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CSCin98788
Symptoms: When a BBA group that is associated with a live PPPoE session is removed, the session
is not cleared.
is not cleared.
Conditions: This symptom is observed with either a named or a global BBA group.
Workaround: There is no workaround.
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CSCir00712
Symptoms: On Cisco LAC software running Cisco IOS Release 12.3(14)T, when the fragmented
data traffic is received on the LAC over the L2TP tunnel, the IP layer reassembles the packet and
routes the packet on the wrong interface instead of consuming the L2TP data traffic locally.
data traffic is received on the LAC over the L2TP tunnel, the IP layer reassembles the packet and
routes the packet on the wrong interface instead of consuming the L2TP data traffic locally.
Conditions: This symptom has been seen when fragmented L2TP data traffic is received on the LAC
from the LNS over the L2TP tunnel.
from the LNS over the L2TP tunnel.
Workaround: There is no workaround.
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CSCse45182
Symptoms: When a PPPoE server receives a second PADI from a client (that is, a PADI with the
same unique client ID), the PPPoE server may send a PADS with an unknown MAC address.
same unique client ID), the PPPoE server may send a PADS with an unknown MAC address.
Conditions: This symptom is observed on a Cisco platform that functions as a PPPoE server that has
established a PPPoE session with a client and occurs while PPP LCP negotiation is in progress.
established a PPPoE session with a client and occurs while PPP LCP negotiation is in progress.
Workaround: There is no workaround.
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CSCsf96318
Symptoms: QSIG (ISO) call back (ring back) fails between a Cisco 3745 router and a Cisco 1760
router.
router.
Conditions: The call back fails.
Workaround: There is no workaround.
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CSCsg38412
Symptoms: When a Multilink PPP (MLP) session is established over an ISDN link, IPCP fails to
negotiate. When the debug ppp negotiation command is enabled, you can see that IPCP packets
from the peer are not processed. The output of the show interface command for the ISDN D-channel
interface shows that the input queue limit is 0.
negotiate. When the debug ppp negotiation command is enabled, you can see that IPCP packets
from the peer are not processed. The output of the show interface command for the ISDN D-channel
interface shows that the input queue limit is 0.
Conditions: This symptom is observed when the ISDN BRI or PRI interface is not configured as part
of a dialer rotary group or dialer pool and when RADIUS is used to assign the multilink bundle to
a VRF.
of a dialer rotary group or dialer pool and when RADIUS is used to assign the multilink bundle to
a VRF.
Workaround: Enter the dialer rotary-group command to assign the ISDN interface to a dialer.