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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 rarely on a Cisco 12000 series that is running the gsr-p-mz
image of Cisco IOS Release 12.0(28)S.
Workaround: The line card may come up when you reload the router again.
• CSCee30549
Symptoms: Some interfaces on a channelized SONET line card may not carry bidirectional traffic
following an APS switchover. Interfaces may be up and routes may be present when this occurs.
Conditions: The symptom is only observed on a Cisco 12000 series 1-port OC-12 line card
(channelized to DS1) that functions in an 1+1 APS configuration. The symptom could occur on any
channelized APS interface.
Workaround: Enter the shutdown command followed by the no shutdown command on the affected
interfaces.
• CSCee30966
Symptoms: A 1-port OC-12 Channelized to DS1/E1 ISE line card may fail to come up when you
boot the router or reload the line card.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S.
Workaround: There is no workaround.
• CSCee31105
Symptoms: A wrong aggregate NetFlow cache prefix may occur when an extended Deny ACL is
configured with AGNF. You are supposed to find one prefix entry in the cache but there are two
prefix entries.
Conditions: This symptom is observed when an extended Deny ACL is configured with AGNF on a
Cisco 12000 series Engine 3 16-port OC-3 POS line card.
Workaround: There is no workaround.
• CSCee31196
Symptoms: An LDP session over a tunnel interface may drop and not come back up.
Conditions: This symptom is observed on a Cisco router running Cisco IOS Release 12.0(27)S1
when auto-tunnel traffic engineering is configured and when RSVP label distribution is configured
in the MPLS core.
Workaround: Run LDP in the MPLS core for all interfaces that have auto-tunnel traffic engineering
configured.
• CSCee32208
Symptoms: After a circuit bounces, traffic stops being passed on a VC when using a VC bundle.
Other VCs on the same subinterface still work. The switch on the other side of the VC does not show
any received cells from the VC.
In addition, the show atm vc command does not work because even after the VC is recovered, the
command output still does not show any traffic.
Conditions: These symptoms are observed on a Cisco 12000 series.
Workaround: Enter the shutdown command followed by the no shutdown command on the affected
subinterface.
• CSCee32365
Symptoms: When a single bundle link associated with a Multilink Frame Relay (MFR) interface is
brought up, LMI exchanges over the MFR interfaces may not happen.
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