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981
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(30)S
Conditions: This symptom is observed when you enable a routing protocol for NSF and you enter
the external overload signalling router configuration command. The following configuration
illustrates this situation for IS-IS:
router isis area-tag
nsf
[cisco | ietf]
external overload signalling
Workaround: Disable the external overload signalling router configuration command.
CSCee35659
Symptoms: A priority class cannot be configured if the remaining bandwidth is used on the existing
classes. Such a service policy is rejected.
Conditions: This symptom is observed on Cisco 12000 series-ISE based line cards.
Workaround: Use police actions in the priority class in conjunction with bandwidth percentages on
the existing classes.
CSCee36744
Symptoms: An RP may crash when you add or remove a channel group to or from a 4-port ISE
Gigabit Ethernet line card or when you reload microcode onto the line card on which channel group
members are configured.
Conditions: This symptom observed on a Cisco 12000 series when there are link-bundle
subinterfaces configured on the 4-port ISE Gigabit Ethernet line card. A list of the affected releases
can be found at http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCed63480.
Cisco IOS software releases that are not listed in the “First Fixed-in Version” field at this location
are not affected.
Workaround: There is no workaround.
CSCee37430
Symptoms: MPLS-to-IP traffic may not recover after a manual RP switchover in SSO mode.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.0(29)S and
occurs only for prefixes that have static routes configured.
Workaround: Enter the clear ip route network EXEC command in which the network argument is
the network or subnet address for which forwarding no longer functions after the manual RP
switchover.
CSCee39733
Symptoms: VLAN packets with SNAP headers are switched into an xconnect link.
Conditions: This symptom is observed when you send traffic from one CE router via a PE router to
another CE router. The expected behavior is that the VLAN packets with SNAP headers are dropped
at the PE router but instead they are forwarded to the other CE router.
Workaround: There is no workaround. However, VLAN functionality is not impacted.
CSCee39854
Symptoms: A ping or Telnet connection to a connected CE router may fail from a Cisco 12000 series
router that functions as a PE router.
Conditions: This symptom is observed on Cisco 12012 that runs Cisco IOS Release 12.0(21)ST3 or
a later release when the router has a 3-port Gigabit Ethernet line card that is configured for dot1q
encapsulation on its subinterfaces.
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