Cisco Cisco IOS Software Release 12.4(23)
373
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(12c)
Resolved Caveats—Cisco IOS Release 12.4(12c)
Cisco IOS Release 12.4(12c) is a rebuild release for Cisco IOS Release 12.4(12). The caveats in this
section are resolved in Cisco IOS Release 12.4(12c) but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(12c) but may be open in previous Cisco IOS releases.
IP Routing Protocols
•
CSCek47667
Symptoms: A router may not clear BGP routes when you enter the clear bgp ipv6 unicast *
command.
command.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.2SXF but
is not release-specific.
is not release-specific.
Workaround: There is no workaround.
•
CSCsi84089
Symptoms: A few seconds after OSPF adjacencies come up, a router crashes because of a bus error.
Conditions: This symptom is observed on a Cisco router that functions as an ISR that is configured
for OSPF.
for OSPF.
Workaround: Add area 0 in the OSPF VRF processes.
Alternate Workaround: Enter the no capability transit command in the OSPF VRF processes.
•
CSCsi97586
Symptoms: A Cisco MGX-RPM-XF-512 resets after deleting Multicast VPN routing from a VRF
and then deleting that VRF.
and then deleting that VRF.
Conditions: This symptom has been observed on a system running Cisco IOS Release 12.4(6)T5
configured for Multicast VPN routing while deleting an interface.
configured for Multicast VPN routing while deleting an interface.
Workaround: There is no workaround.
Miscellaneous
•
CSCsg99814
Symptoms: On a router that functions in a GRE over IPSec or Virtual Tunnel Interface (VTI)
configuration, an access control list (ACL) may be bypassed when there is an ACL on the tunnel
interface.
configuration, an access control list (ACL) may be bypassed when there is an ACL on the tunnel
interface.
Conditions: This symptom is observed when the ACL on the tunnel interface is configured on the
outbound physical interface on which the IPSec tunnel is terminated.
outbound physical interface on which the IPSec tunnel is terminated.
Workaround: Apply the outbound ACL on the protected LAN interface instead of on the tunnel
interface.
interface.
•
CSCsi27540
Symptoms: A VSI session may become stuck in the “RESYNC_UNDERWAY” state, preventing
LVC connections from being set up. This situation is not cleared automatically, and error messages
are not flushed, as is shown in the output of the show controller vsi session command.
LVC connections from being set up. This situation is not cleared automatically, and error messages
are not flushed, as is shown in the output of the show controller vsi session command.
Conditions: This symptom is observed on a Cisco router that functions as a Label Switch Controller
(LSC).
(LSC).