Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Uživatelský manuál Strana 388

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834
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: Race condition occurs while deleting Cisco Express Forwarding (CEF) entries from a
table.
Workaround: There is no workaround.
CSCsr49316
Symptoms: A crash happens when the show ipv6 rpf x:x:x::x command is given.
Conditions: This symptom is observed only when there are more than 16 adjacencies for a single
static route. The crash happens when the show ipv6 rpf command is given for this particular static
route.
Workaround: There is no workaround. This problem occurs as long as there are more than 16
adjacencies for single static route even if some of them are not active.
CSCsr50821
Symptoms: A router may crash when ARP hits through interrupt level.
Conditions: This symptom is observed when bridging is configured, but it may also be observed
when the ARP code hits by interrupt context, which is unpredictable.
Workaround: There is no workaround.
Further Problem Description: This defect was introduced via CSCsq05997. Cisco IOS Release 12.4
and 12.4T are not affected by this defect, but Cisco IOS Release 12.2S may be affected by this
defect.
CSCsr55278
Symptoms: Fast switching of multicast packets may not occur on the interface of a PE router. All
multicast packets are forwarded in process switching.
Conditions: The symptom is observed after the interface is changed from a forwarding interface of
one VRF to another VRF.
Workaround: There is no workaround.
CSCsr55865
Symptoms: Packet marking does not work in Cisco 7200, 7200p, and 7301 ipbase images.
Conditions: Applies to marking using "set" command. The "police" command works as expected.
Workaround: Use a different image.
CSCsr55990
Symptoms: HSRP virtual MAC is dynamic instead of static on a Cisco 7600 after a reload.
Conditions: HSRP is configured under a routed vlan-based pseudowire:
interface Vlan X ip address 10.0.0.1 255.255.255.0 standby 1 ip 10.0.0.254 xconnect x.y.z.w
encapsulation mpls
Occurs when fast millisecond HSRP timers are used, and an HSRP interface delay is not configured.
Workaround: Perform a shut/no shut on the interface "vlan X". Or, as a preventive action, configure
standby delay minimum 60 on the interfaces. Testing has shown that after a reboot the entry is
installed correctly in the PFC/DFC.
CSCsr56465
Symptoms: Line card MAC notification test fails when redundancy mode is changed from RPR to
SSO or SSO to RPR. SIP-400 Bus Connectivity Test failed when the following commands are
issued:
Conf t redundancy mode rpr
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