Cisco OL-4015-08 Bedienungsanleitung Seite 606

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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)S1
Conditions: This symptom is observed when the data rate exceeds the OC-3 line rate and may occur
on all types of VIPS on a Cisco 7500 series and on a Cisco 7200 series that is configured with an
NPE-300, NPE-400, or NSE-1. The symptom does not occur on a Cisco 7200 series that is
configured with an NPE-G1.
Workaround: To prevent the data rate from exceeding the OC-3 line rate, configure traffic shaping.
This also brings the latency for priority packet to tolerable limits.
CSCin67253
Symptoms: A Cisco 7500 series may stop forwarding traffic via an Any Transport over
Multiprotocol Label Switching (AToM) virtual circuit (VC) that is configured on an 8-port
multichannel T1/E1 PRI port adapter (PA-MC-8TE1+).
Conditions: This symptom is observed on a Cisco 7500 series that has a PA-MC-8TE1+ that is
configured for Frame Relay over Multiprotocol Label Switching (FRoMPLS) or Frame
Relay/ATM/Ethernet interworking when you perform an online insertion and removal (OIR) of the
Versatile Interface Processor (VIP) in which the PA-MC-8TE1+ is installed.
Workaround: Remove and reconfigure the affected AToM VC.
CSCin75746
Symptoms: When you perform an OIR of a PA-MC-8TE1 port adapter or you reload microcode onto
the line card, the line card may generate the following error message and may stop forwarding
traffic:
AC Switching: VIP Xmit failed: DLCI 426 context missing
Conditions: This symptom is observed on a Cisco 7500 series.
Workaround: There is no workaround. To re-enable the line card, enter the tx-queue-limit command
on the affected interface of the line card.
CSCin80743
Symptoms: Configurations of interfaces on a legacy interface processor such as an EIP or an FSIP
on a Cisco 7500 series go down after a redundancy-forced switchover.
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS
Release 12.0(28)S or a later release or Release 12.2(25)S that is configured for SSO or RPR+.
Workaround: Manually reconfigure the interfaces.
CSCin83445
Symptoms: Incoming multicast traffic on a distributed MLP link is process-switched.
Conditions: This symptom is observed on a Cisco 7500 series that is configured for distributed MLP
after the router has been reloaded.
Workaround: Enter the shutdown interface configuration command followed by the no shutdown
interface configuration command on the affected multilink interface.
CSCin84124
Symptoms: After performing a Fast Software Upgrade (FSU), none of the interfaces of the active
RSP come up.
Conditions: This symptom is observed on a Cisco 7500 series after you have performed a FSU to
Cisco IOS Release 12.2(25)S or Cisco IOS Release 12.0(30)S and after an SSO switchover has
occurred.
Workaround: After the FSU, enter the microcode reload command.
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