Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Instrukcja Użytkownika Strona 269

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715
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
%ALIGN-1-FATAL: Illegal access to a low address 08:32:13 AEST Tue Nov 20 2007
addr=0xB8, pc=0x40099888 , ra=0x44020000 , sp=0x465870E8
08:32:13 AEST Tue Nov 20 2007: TLB (store) exception, CPU signal 10, PC = 0x40099888
-Traceback= 0x40099888 0x402F6358 0x415102F4 0x41510C7C 0x402FF5C4 0x414F1140
0x402FF7B8 0x41C8B8E0 0x41C8EFC0 0x41C8F064
0x41C85260 0x421EA0C4 0x421EA224
Conditions: This occurs after applying a Modular Quality of Service Command-Line Interface
(MQC) class on a PVC.
Workaround: Use frame relay traffic shaping (FRTS) instead of MQC under the PVC.
Further Problem Description:
MQC policy is not a supported configuration for MLPoFR connections. The above configuration is
not valid. Currently, the MQC policies are configurable under MLPoFR PVCs and this results in
router reload. However, the router should not crash even under those circumstances. This fix
prevents MQC QOS policy from being configured on MLPoFR connections at config time when
MLP may not yet be active. So, in effect, the config is blocked both if MLP is active or if MLP is
just configured.
CSCsl40705
Symptoms: The following tracebacks may occur on a VPDN under stress situations:
%IDMGR-3-INVALID_ID: bad id in id_to_ptr (bad id) (id: 0x63249A94) -Traceback=
604721D4 60472718 6048C7B8 616C8CEC 616C9BA8 61AB48C4 61AB79A8 61AB8C48 61AB8CAC
616C51DC
Conditions: The symptom is observed in stress situations when a Call Disconnect Notification
(CDN) is received immediately after a connect request.
Workaround: There is no workaround.
Further Problem Description: This traceback is harmless.
CSCsl41230
Symptoms: VPN SPA, with crypto map interesting traffic based on TCP ports, is broken.
ip access-list extended b2b-pokus permit tcp host 10.150.20.13 eq telnet 10.13.11.0
0.0.0.255 permit tcp host 10.150.20.11 eq telnet 10.13.11.0 0.0.0.255 permit tcp host
10.13.0.1 10.13.11.0 0.0.0.255 eq telnet permit tcp host 10.13.0.2 10.13.11.0
0.0.0.255 eq telnet permit tcp host 10.13.0.3 10.13.11.0 0.0.0.255 eq telnet
Conditions: This symptom is observed on s72033-advipservicesk9_wan-mz.122- 33.SXH.bin.
Workaround: The problem is not seen with s72033-advipservicesk9_wan-mz.122- 18.SXF7.bin.
Further Problem Description: This also fails for deny statements based on TCP ports in the crypto
ACL. The SPA will encrypt this traffic that should be denied.
CSCsl41325
Symptoms: A router crashes when BGP adjacency goes down. Lots of spurious memory access is
seen.
Conditions: This symptom is observed on a Cisco 7600 series router with Supervisor 720-3BXL that
is running Cisco IOS Release 12.2(33)SRB2. Multicast routing must be enabled and there must be
multiple BGP paths with different preferences to a default route. If the preferred default route goes
down this crash may be seen.
Workaround: Have only a single path to the default route.
CSCsl41453
Symptoms: When online insertion and removal (OIR) is performed with traffic flowing, the
Multilink Frame Relay (MFR) interfaces will flap, and later the router will crash due to memory
corruption.
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