
577
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: The crash is seen when trying to delete multiple MDTs at one time.
Workaround: Allow at least seconds after each MDT delete command or VRF delete command
before issuing the next command.
• CSCsr05746
Symptoms: ESM20 line card may crash while booting up.
Conditions: Occurs intermittently with a scaled topology.
Workaround: There is no workaround.
• CSCsr09062
Symptoms: Cisco 7200 crashes due to memory corruption.
Conditions: Occurs when MLP+QoS is configured on a Cisco 7200 router. QoS policy is having
bandwidth, change the BW parameter and flap the multilink using clear int multilink1 to see the
crash.
Workaround: There is no workaround.
• CSCsr18589
Symptoms: A Virtual Router Redundancy Protocol (VRRP) group configured on a VLAN interface
flaps from the backup to the master state after stateful switchover (SSO) when the existing master
is still available on the network. The group will flap back to backup a short period later.
Conditions: The problem only occurs when there are a large number of VLAN interfaces with a
VRRP group configured on each interface and SSO is performed.
Workaround: Each of the VRRP groups can be configured with a larger VRRP advert timer value.
Values should be varied depending on the setup, but a larger than default value is usually required.
• CSCsr18942
Symptoms: Traceback occurs when VPN routing/forwarding (VRF) is deleted and then recreated.
Conditions: Occurs when multicast RP is configured under VPN routing/forwarding (VRF) first.
When the VRF is deleted, some multicast data may still be locked and not deleted, causing the
traceback when a new VRF is created and multicast RP is configured there.
Workaround: There is no workaround.
• CSCsr26025
Symptoms: When “0.0.0.0/8 static route to null 0" is configured, the default gateway failover does
not work. RIB is not updated.
Conditions: Occurs under the following scenario:
- Border Gateway Protocol (BGP) with two neighbors sending a default gateway. - Static route
“0.0.0.0/8 to null 0" is configured. - Failover takes place and RIB is not updated.
Workaround: There is no workaround.
• CSCsr27727
Symptoms: A Cisco Catalyst 6000 reports the following message and unexpectedly reloads:
%SYS-2-ASSERTION_FAILED: Assertion failed: “wccp_acl_item_valid(item,NULL)”
Conditions: This symptom is observed on a WS-C6509 that is running Cisco IOS Release
12.2(33)SXH2a.
A WCCP service is configured with a redirect-list referring to a simple ACL.
Workaround: Use an extended ACL as the WCCP redirect-list.
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