Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 139

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Symptoms: Router crashes when DHCPv6 is configured on the router.
Conditions: Router crashes when we remove the subinterface on which DHCPv6 PD request was
configured.
Workaround: There is no workaround.
CSCsu27888
Symptoms: IGMP v3 reports are discarded.
Conditions: Occurs on Cisco 7200 router running Cisco IOS Release 12.4(20)T2.
Workaround: There is no workaround.
CSCsu27894
Symptoms: Flurry of DUP_IFINDEX messages are seen on standby.
Conditions: Occurs during bulk sync phase when standby is coming up.
Workaround: There is no workaround.
CSCsu31088
Symptoms: Not able to execute any commands under interface after running BERT tests.
Conditions: This issue is seen only after running SPA FPGA BERT tests and also when there is dual
RP in chassis. With other BERT options, no issue is seen.
Workaround: There is no workaround.
CSCsu31935
Symptoms: Bootup diag test failures observed on 6816 card when multirouters are reloaded. Some
ports were put in error disabled state.
Conditions: Failure triggered with random multirouters reloads (reload of CE1, PE1, Core1). Brief
router info and config: IOS - 8/25 a76 Dual sup720 7606 6724 connected to remote 6724 (servicing
vlans 2-2000) 6816 connected to remote 6816 (servicing vlans 2001-4000) sip600 (servicing vlans
1-4000 switchport)
Topology:
CE1----PE1----Core-1-----Core-2----PE2----CE2 Affected router is CE1.
Configuration: 4k VLANs, 6816 servicing VLANs 2001-4000 (switchports).
Workaround: Run the failing diag tests on demand.
Further Problem Description: Few bootup tests fail when on 6816 card when the multirouters are
reloaded. On failure, the ports are put in error disabled state. Failure cause has been root caused to
usage of reserved diag vlans in the configs. Please refer the link mentioned below.
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.1E/native/command/reference/
S1.html
switchport dot1q: Do not enable the reserved VLAN range (1006 to 1024) on trunks when
connecting a Catalyst 6500 series switch running Cisco IOS software on both the supervisor engine
and the MSFC to a Catalyst 6500 series switch running Catalyst software. These VLANs are
reserved in systems running Catalyst software. If enabled, systems running Catalyst software may
error disable the ports if there is a trunking channel between these systems
When the diag vlans (1006 to 1011, 4094 to 4089) are used, there could be diag failures at some
random cases. Please do not enable the reserved vlans.
CSCsu31954
Symptoms: A router reloads.
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