Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 27

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Workaround: There is no workaround.
CSCtf75587
Symptoms: Active RP crashes when ISSU upgrade is initiated (SSO mode) from Cisco IOS
Release 12.2(33)SRD3 to Release 12.2(33)SRD4.
Conditions: The symptom is observed when “mls qos” is configured on the router and then an SSO
mode ISSU switchover is initiated.
Workaround 1: Disable QoS with the no mls qos command.
Workaround 2: Upgrade in RPR mode. First, verify that following command is not in the
running-configuration:
no service image-version efsu
If this command is in the running configuration, remove it using service image-version efsu.
CSCtf77037
Symptoms: After an OIR of Enhanced FlexWAN, some of the DLFIoATM bundles do not come up.
Conditions: The symptom is observed after an OIR of Enhanced FlexWAN.
Workaround: Do a shut/no shut on the ATM interface.
CSCtf77047
Symptoms: Ping ATM subinterface peer IP address has packet loss from Cisco 7206.
Conditions: This symptom occurs with the following:
1. NPE-G2+PA-MC-STM-1SMI+PA-A6-OC3SML
2. Enable EIGRP on ATM subinterface
Workaround: There is no workaround.
CSCtf78662
Symptoms: On a Cisco 7600 series router that is configured with REP, the IGMP query is not
forwarded through the secondary REP port leaving part of the ring incapable of receiving multicast
traffic. The other switches in the REP ring located after the secondary port are unable to receive the
IGMP queries from the Cisco 7600 and thus may not elect any mrouter port.
Conditions: The symptom is observed only when the REP has a converged topology and the alternate
port is not located in the Cisco 7600 but anywhere else in the REP ring.
Workaround 1: One of the two REP ports on the Cisco 7600 must be elected/configured as an
alternate port.
Workaround 2: One of the two REP ports on the Cisco 7600 must be in shutdown.
CSCtf79154
Symptoms: After an SSO switchover, some of the virtual-access interfaces do not ping.
Conditions: The symptom is observed after an SSO switchover.
Workaround: Do a shut/no shut on the corresponding subinterface.
CSCtf80408
Symptoms: Enhanced FlexWAN crashes.
Conditions: The symptom is observed with following steps:
1. Have scaled DLFIoATM (256 bundles) on a single PA.
2. Have traffic flowing through all the bundles.
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