Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 162

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608
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
CSCsv91602
Symptoms: Cisco 7201 with Gi0/3 experienced communication failure.
Conditions: This problem does not occur with Gi0/0 or Gi0/2.
Workaround: Perform a shut/no shut on the Gi0/3. The problem will occur again.
CSCsv92088
Symptoms: BACKPLANE_BUS_ASIC-4-DEV_RESET error interrupts generated by SIP-400
module, causing traffic interruption.
Conditions: Occurs when PPPoE traffic ingresses a SIP-400 line card on a Cisco 7600 Series router
running Cisco IOS Release 12.2SR.
Workaround: There is no workaround.
CSCsv94471
Conditions: On an ES-20, sometimes the interface configured as a promiscuous port does not
forward the traffic to other community and isolated ports on the same private VLAN. The traffic on
the promiscuous port is forwarded to all other community and isolated ports belonging to the same
private VLAN. This is the expected behavior.
Condition: Sometimes using the CLI on the interface configured in the promiscuous mode
switchport mode private-vlan promiscuous after switchport private-vlan mapping <primary
vlan> <secondary vlans> can cause traffic to be dropped. The order of these CLIs should not
matter.
Workaround: There is no workaround.
CSCsv97273
Symptoms: The SP crashes when the device receives an IP address from the DHCP server. The
following error message is displayed:
Signal = 11 Vector = 0x1400
Conditions: Occurs on a Cisco Catalyst 6500 with RSP720-3C-GE when the ip verify source vlan
dhcp-snooping is enabled.
Workaround: There is no workaround.
CSCsv99716
Symptoms: A Cisco 10000 series router may crash at issu_print_memory while doing a loadversion.
Conditions: The symptom is observed on a Cisco platform, when enabling the debug command
debug issu all in the router and doing a loadversion.
Workaround: Do not turn on ISSU debug.
CSCsw14845
Symptoms: An access-list with multiple ports in a single entry only programs the first port into
TCAM. All subsequent ports are not processed according to the access-list entry.
For example, the following access-list should block both SSH (TCP port 22) and Telnet (TCP port
23), but Telnet is permitted.
ip access-list extended deny_ssh_and_telnet deny tcp any any eq 22 telnet permit ip
any any
Conditions: Occurs when there is an extended named access-list with multiple ports in a single
access-list entry. This only applies to transit traffic since traffic destined to the router is
process-switched and processed in software.
Workaround: There is no workaround.
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