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Beginner

Cisco 4948E Cpu High utilization

hi,

 

 

I have 10 vlan interface and 20 Layer 3 interface in this 4948E switch but the cpu utilization is being morethan 60%..

 

Switch#show processes cpu sorted
CPU utilization for five seconds: 58%/9%; one minute: 57%; five minutes: 58%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
79 45238629 215114546 210 44.79% 44.31% 45.00% 0 Cat4k Mgmt LoPri
78 524737 3292392 159 1.51% 1.47% 1.47% 0 Cat4k Mgmt HiPri
145 775609 6434467 120 1.11% 1.01% 1.01% 0 IP Input
353 2860 2026 1411 0.23% 0.04% 0.03% 17 Virtual Exec
129 3240 20089506 0 0.23% 0.20% 0.21% 0 Tunnel IOSd shim
106 2204 10407327 0 0.15% 0.13% 0.15% 0 Ethernet Msec Ti
262 620 1271444 0 0.07% 0.02% 0.01% 0 MMA DP TIMER
128 628 1271446 0 0.07% 0.02% 0.00% 0 VRRS Main thread
187 88 81647 1 0.07% 0.02% 0.00% 0 ADJ background
162 1104 588182 1 0.07% 0.05% 0.07% 0 TCP Timer
154 1424 139456 10 0.07% 0.01% 0.00% 0 Spanning Tree
51 164 81384 2 0.07% 0.07% 0.07% 0 IDB Work
12 0 1 0 0.00% 0.00% 0.00% 0 IPC Apps Task

 

Switch#show platform health
%CPU %CPU RunTimeMax Priority Average %CPU Total
Target Actual Target Actual Fg Bg 5Sec Min Hour CPU
RkiosObflMan 0.50 0.00 4 0 100 500 0 0 0 0:03
VSI slot-01 1.00 0.27 6 1 100 500 0 0 0 3:49
VSI backplane 1.00 0.00 6 0 100 500 0 0 0 0:00
GalChassisVp 3.00 0.07 20 13 100 500 0 0 0 1:02
S2w-JobEventSchedule 10.00 0.00 10 0 100 500 0 0 0 0:00
Stub-JobEventSchedul 10.00 0.00 10 0 100 500 0 0 0 0:00
Lj-poll 1.00 0.02 2 0 100 500 0 0 0 0:17
StatValueMan Update 1.00 0.01 1 0 100 500 0 0 0 0:27
Pim-review 0.10 0.00 1 0 100 500 0 0 0 0:03
Ebm-host-review 1.00 0.02 8 0 100 500 0 0 0 0:02
Ebm-host-util-review 1.00 0.00 10 0 100 500 0 0 0 0:00
Ebm-port-review 0.10 0.00 1 0 100 500 0 0 0 0:00
Protocol-aging-revie 0.20 0.00 2 0 100 500 0 0 0 0:00
EbmHostRedundancyMan 2.00 0.00 20 0 100 500 0 0 0 0:00
Acl-Flattener 1.00 0.00 10 2 100 500 0 0 0 0:00
GalChassisVp Ondeman 2.00 0.00 2 0 100 500 0 0 0 0:00
KxAclPathMan create/ 1.00 0.00 10 5 100 500 0 0 0 0:01
KxAclPathMan update 2.00 0.00 10 115 100 500 0 0 0 0:00
KxAclPathMan reprogr 1.00 0.00 2 0 100 500 0 0 0 0:00
KxPartialPath Review 2.00 0.00 10 0 100 500 0 0 0 0:00
GalK5TatooineStatsMa 0.70 0.02 4 0 100 500 0 0 0 0:25
MOL FastDropReview 2.00 0.00 15 0 100 500 0 0 0 0:00
IrmMfibEntryMan Revi 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3WCCP Service Gro 2.00 0.00 15 0 100 500 0 0 0 0:00
RkiosL3PortMan AclFe 2.00 0.00 15 6 100 500 0 0 0 0:00
RkiosVs Purged Modul 2.00 0.00 15 0 100 500 0 0 0 0:00
GalK5SupervisorVpFpg 2.00 0.00 0 0 100 500 0 0 0 0:00
GalK5SupervisorVpFpg 2.00 0.00 10 0 100 500 0 0 0 0:00
GalK5SupervisorVpFpg 2.00 0.00 10 0 100 500 0 0 0 0:00
LinecardFpgaUpgrade 0.50 0.00 2 0 100 500 0 0 0 0:00
K5L3FlcMan FwdEntry 2.00 0.00 15 0 100 500 0 0 0 0:00
FwdEntry Zombie Revi 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3FlcMan Cam Shuff 4.00 0.00 25 0 100 500 0 0 0 0:00
K5L3Unciast IFE Revi 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3UnicastRpf IFE R 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3Unicast Fwd Entr 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3McastMan IrmMfib 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3McastMan ImeSync 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3Unicast Fwd Entr 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3Unicast Adj Chan 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3Unicast Adj Tabl 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3Unicast Adj Grou 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3SourceGuardMan S 2.00 0.00 15 0 100 500 0 0 0 0:00
K5L3McastMan RetSync 1.00 0.00 8 0 100 500 0 0 0 0:00
K5FlcHitMan review 2.00 0.00 5 2 100 500 0 0 0 0:56
K5L3SubinterfaceMan 2.00 0.00 15 1 100 500 0 0 0 0:00
K5PortMan Regular Re 2.00 0.18 15 6 100 500 0 0 0 3:05
K5PortMan Ondemand L 6.00 0.35 30 2 100 500 0 0 0 3:36
K5PortMan Stats Revi 2.00 0.01 15 0 100 500 0 0 0 0:17
K5PortMan Tx Queue R 3.00 0.00 15 0 100 500 0 0 0 0:00
K5L2 Vlan Table Revi 2.00 0.00 12 8 100 500 0 0 0 0:00
K5 L2 Aging Table Re 2.00 0.20 20 4 100 500 0 0 0 1:52
K5 L2 Unicast Addres 2.00 0.00 20 1 100 500 0 0 0 0:00
K5 L2 Multicast Addr 2.00 0.00 20 1 100 500 0 0 0 0:00
K5 L2 Hardware Addre 2.00 0.00 20 2 100 500 0 0 0 0:00
K5 L2 Hardware Mac L 1.00 0.00 2 0 100 500 0 0 0 0:00
K5RetStatsMan Review 2.00 0.00 5 0 100 500 0 0 0 0:00
K5CpuMan Review 30.00 67.99 30 2 100 500 109 115 97 1288:18
K5ForerunnerPacketMa 2.00 43.08 4 0 100 500 64 68 57 755:39
K5ForerunnerPacketMa 2.00 0.18 4 0 100 500 0 0 0 2:28
K5QosDhmMan Rate DBL 2.00 0.00 7 0 100 500 0 0 0 0:00
K5QosDblMan (dis|en) 1.00 0.00 2 0 100 500 0 0 0 0:00
K5QosPolicerStatsMan 1.00 0.00 10 0 100 500 0 0 0 0:03
K5VlanStatsReview 2.00 1.87 10 5 100 500 1 1 1 20:12
K5VlanStatsTableMan 2.00 0.00 2 0 100 500 0 0 0 0:00
K5VlanStatsTableMan 2.00 0.00 2 0 100 500 0 0 0 0:00
K5RwAdjStatsMan Revi 2.00 0.24 10 7 100 500 0 0 0 4:18
K5AclMan-labeledFlat 1.00 0.00 10 5 100 500 0 0 0 0:00
K5AclLabelMan-punted 1.00 0.00 10 0 100 500 0 0 0 0:00
K5AclCamMan stale en 1.00 0.00 10 0 100 500 0 0 0 0:00
K5AclCamStatsMan hw 3.00 0.56 10 5 100 500 0 0 0 2:51
K5Acl Input Action U 2.00 0.00 15 7 100 500 0 0 0 0:00
K5Acl Output Action 2.00 0.00 15 7 100 500 0 0 0 0:00
K5PktSamp Sampling C 3.00 0.06 3 0 100 500 0 0 0 1:07
K5SgaclMan create/de 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
TODO give valid name 1.00 0.00 10 0 100 500 0 0 0 0:00
RkGenericL3Wccp IrmW 2.00 0.00 10 0 100 500 0 0 0 0:03
RkiosPortMan Port Re 2.00 0.09 12 2 100 500 0 0 0 1:21
Rkios Module State R 4.00 0.02 40 0 100 500 0 0 0 0:19
Rkios Online Diag Re 4.00 0.02 40 0 100 500 0 0 0 0:18
MatMan Review 0.50 0.00 4 0 100 500 0 0 0 0:00
GalDagobahManPowerFa 3.00 0.00 1 0 100 500 0 0 0 0:00
LocalJawaVsiMan VsiR 0.20 0.00 2 0 100 500 0 0 0 0:00
RkiosIpPbr IrmPort R 2.00 0.01 10 1 100 500 0 0 0 0:18
RkiosAclMan Review 3.00 0.05 30 0 100 500 0 0 0 0:35
GalK5DriverMan Revie 5.00 0.00 20 1 100 500 0 0 0 0:00
FrysSpiRomMan 0.50 0.00 2 0 100 500 0 0 0 0:00
GalGlmLinecardVp(1) 5.00 0.30 20 63 100 500 0 0 0 3:07
Temperature monitor 0.40 0.01 4 0 100 500 0 0 0 0:10
GalGlmPollerMan 3.00 0.01 20 0 100 500 0 0 0 0:17
Quack 4.00 0.00 20 0 100 500 0 0 0 0:00
GlmBridgeMan(0) revi 0.50 0.00 2 0 100 500 0 0 0 0:03
Stub periodic global 0.50 0.00 5 0 100 500 0 0 0 0:00
Stub ondemand global 0.50 0.00 5 0 100 500 0 0 0 0:00
Xgstub Stats Review 0.50 0.13 5 0 100 500 0 0 0 1:30
edcControllerMan_(0: 0.40 0.00 4 0 100 500 0 0 0 0:00
edcControllerMan_(0: 0.40 0.00 4 0 100 500 0 0 0 0:00
edcControllerMan_(0: 0.20 0.00 2 0 100 500 0 0 0 0:00
EthPhyPCMan(0:N) per 0.40 0.00 4 1 100 500 0 0 0 0:22
EthPhyPCMan(0:N) ond 0.20 0.00 2 1 100 500 0 0 0 0:07
LinecardDiagMan on d 0.50 0.00 1 0 100 500 0 0 0 0:00
EpmPortGroup(0:N) st 0.50 0.06 2 0 100 500 0 0 0 0:48
EpmPortGroup(0:N) on 0.50 0.00 4 1 100 500 0 0 0 0:00
SfpController(0) 0.50 0.00 0 0 100 500 0 0 0 0:01
EpmPluggableGroup(0: 0.60 0.00 6 3 100 500 0 0 0 0:02
-------------
%CPU Totals 228.90 115.98

Allocation ceiling Current allocation
------------------ ------------------
kbytes % in use kbytes % in use

Chassis 1 Linecard 1 2560.00 43% 1111.41 100%
TSM objects ------------------ ------------------
PacketInfoItem 781.25 0% 0.00 0%
VbufNodes2400 80.50 0% 0.00 0%
VbufNodes1600 55.50 0% 3.46 0%
VbufNodes400 288.00 0% 1.12 50%
VbufNodes64 60.00 0% 0.46 0%
VbufNodes4200 68.37 0% 0.00 0%
Packet 2651.01 0% 0.11 0%
RkiosSysPacketBuf 281.25 0% 0.77 4%
IndexCache 800.78 0% 0.00 0%
K5InternalVlanIdMap 96.00 0% 0.00 0%
K5AclOpDescNode 21504.00 0% 1.14 35%
K5AclRetMapEntryNode 56.00 0% 0.00 0%
K5AclLabelListNode 1024.00 0% 0.00 0%
K5AclIpv6PackedAddrH 1024.00 0% 0.00 0%
K5RwFormatAddrHashEn 5.97 0% 0.00 0%
K5RwFwdControlEntry 8.00 2% 0.18 100%
K5AdjGroups 960.00 0% 0.58 90%
IrmFibUnicastRpfList 8192.00 0% 1.93 95%
IrmSourceGuardEntrys 9092.50 0% 0.00 0%
K5L3FwdEntrys 31200.00 0% 11.36 96%
K5L3FwdEntryAvlTree2 12480.00 0% 2.41 97%
K5L3FwdTreeEntrys 21840.00 0% 8.44 97%
K5L3FwdTreeEntryAvlT 49920.00 0% 2.27 96%
IrmMfibFastDropFlowM 576.00 0% 0.00 0%
K5QosTxQueSelTableBl 12.00 2% 0.32 100%
K5QosPolicerBlockNod 2.00 0% 0.00 0%
K5QosPolicerBlockMem 69.00 0% 0.00 0%
K5QosPolicerMemAlloc 448.00 0% 0.00 0%
K5QosFeatureInfoList 2560.00 0% 0.39 100%
K5QosLabelToFeatureE 1920.00 0% 0.05 100%
K5QosPathFeatureInfo 512.00 0% 0.01 100%
K5SgaclEntry 2176.00 0% 0.00 0%
K5SgaclIpDgtEntry 96.00 0% 0.00 0%
K5CpuPacketInfoItem 781.25 0% 0.00 0%
MatEntrys 19456.00 0% 9.50 100%
MatEntryTableIterato 1.00 0% 0.03 0%
RkiosL2MacVlanEntrie 80.00 0% 0.00 0%
RkiosL3Port 2755.37 0% 3.93 100%
AclContextListNode 120.00 0% 0.00 0%
RkiosEpmManAclContex 300.00 0% 0.00 0%
PimPhyports 1851.56 5% 105.53 100%
PimPorts 1558.59 8% 125.72 100%
PimModules 526.00 0% 2.05 100%
PimSlots 18.00 0% 0.07 100%
PimChassis 8.26 50% 4.13 100%
PimQuack 1.75 3% 0.05 100%
EbmVlans 14944.00 0% 80.26 100%
EbmVlanGroupEntrys 8448.00 0% 4.38 100%
EbmPorts 1031.25 7% 81.12 100%
EbmPortHostEntrys 3182.37 0% 0.00 0%
EbmIeNodes 540.00 1% 5.80 100%
EbmPortVlanAclFeatur 8064.00 0% 0.00 0%
EbmPortVlanMap Alloc 64.00 0% 0.00 0%
EbmSortedHostTableIt 1.87 0% 0.05 0%
EbmSortedGroupTableI 1.87 0% 0.05 0%
EbmHostRedundancyMan 1082.81 0% 0.00 0%
EbmHostAgeRedundancy 1082.81 0% 0.00 0%
EbmMvrGroup 12.00 0% 0.00 0%
EbmMvrReceiverVlanPo 3648.00 0% 0.00 0%
IrmVrfs 630.00 0% 4.92 100%
IrmFibLoadBalances 1280.00 0% 0.00 0%
IrmFibAdjs 4224.00 0% 3.35 92%
IrmPortMemMan 9097.65 0% 19.26 100%
IrmPortEtherAddrEntr 500.00 0% 0.00 0%
IrmFibEntries 14336.00 0% 5.35 96%
IrmMfibEntryMemMan 14336.00 0% 0.00 0%
IrmWccpMemMan 104.68 0% 0.00 0%
IrmWccpServiceGroupL 0.06 0% 0.00 0%
AclOp 2176.00 0% 0.10 100%
AclOpAceSet 4352.00 0% 0.21 100%
AclClassifier 1280.00 0% 1.79 100%
AclFeature 6381.37 0% 8.93 100%
Acl 1536.00 0% 2.29 100%
Ace24 10880.00 0% 4.53 100%
Ace48 17408.00 0% 4.12 100%
AclFlowLabelListNode 7616.00 0% 0.00 0%
AceActionDescStorage 1088.00 0% 0.00 0%
AclListNode 512.00 0% 0.37 100%
AceListNode 102400.00 0% 0.64 54%
AclClassifierActionL 4096.00 0% 2.68 100%
AclLayerFeatureListN 512.00 0% 0.21 28%
AclClassifierListNod 512.00 0% 0.00 0%
OpenFlow24 3840.00 0% 0.18 100%
OpenFlow48 4800.00 0% 0.23 100%
OpenFlowRewriteActio 3840.00 0% 0.00 0%
OpenFlowSeqNumMap 625.00 0% 0.00 0%
TableMapMan NameToTa 77.00 0% 0.00 0%
TableMapAllocator 178.00 0% 0.00 0%
FlatAcl 512.00 0% 0.37 12%
FlatAce24 22528.00 0% 3.17 35%
FlatAce48 34816.00 0% 2.65 40%
FlatAceActionListNod 921600.00 0% 5.62 56%
FlatAclOpSetStorage 6144.00 0% 0.25 45%
FlatAclCacheNode 4608.00 0% 0.42 100%
FlatAclListNode 256.00 0% 0.16 0%
QosFeatureClassifier 353.03 0% 0.00 0%
QosFeatureClassifier 706.06 0% 0.00 0%
QosClassifierActionL 9884.87 0% 0.00 0%
QosNestedClassifierA 21181.87 0% 0.29 100%
QosPortVlanAclFeatur 1224.00 0% 0.00 0%
QoS Policers 37000.00 0% 0.00 0%
Qos FlowFnf 7.81 0% 0.00 0%
SgAclCells 34815.46 0% 0.00 0%
KxAclPath 2432.00 0% 0.07 100%
KxAclPathListNode 1280.00 0% 0.00 0%
KxAclConstPathListNo 1280.00 0% 0.07 22%
MacsecTransmitScMan 84.00 0% 0.00 0%
MacsecTransmitSaMan 304.00 0% 0.00 0%
MacsecReceiveScMan 168.00 0% 0.00 0%
MacsecReceiveSaMan 448.00 0% 0.00 0%
Rkios QoS PolicyMaps 445.67 0% 0.00 0%
FlowMetadataFlowSet 450.00 0% 0.00 0%
AclClassifierIdToCla 48.00 0% 0.00 0%
Rkios QoS ClassMaps 1024.00 0% 0.03 100%
AclToIosFilterMapLis 384.00 0% 0.00 0%
Rkios QoS Policers 3500.00 0% 0.00 0%
RkiosAclMan NamedGal 129.56 0% 0.01 100%
EpmPolicyListNode 120.00 0% 0.00 0%
EpmAceListNode 192.00 0% 0.00 0%
RkiosAclSecurityEpmP 4080.00 0% 0.00 0%
Rkios Acl VlanMaps 144.00 0% 0.00 0%
Rkios Acl VlanMapEnt 1406.25 0% 0.00 0%
RkiosTableMap Galios 3.00 0% 0.00 0%
KxAclLabeledFlatAcl 3840.00 0% 0.11 100%
KxAclLabeledFlatAclE 3072.00 0% 0.09 100%
EbmVlanHostEntrys 3437.50 0% 2.93 82%
FlowTable 3.16 0% 0.00 0%
FlowManIpSgtHashEntr 281.25 0% 0.00 0%
MOL PktSampDataSrc 9.37 0% 0.00 0%
MOL PktSampler 11.00 0% 0.00 0%
VsiBuffers(4096) 400.00 0% 0.00 0%
VsiBuffers(1024) 1500.00 6% 96.00 100%
VsiBuffers(128) 762.50 0% 5.62 0%
VsiBuffers(16) 146.87 0% 4.46 4%
VsiTransactions(1) 35.15 1% 5.74 10%
VsiTransactions(10) 38.08 20% 22.24 34%
VsiTransactions(18) 11.01 0% 0.18 0%
VsiTransactions(25) 12.65 0% 0.42 0%
VsiTransactions(80) 25.54 0% 0.85 0%
VsiTransactionRespon 5.70 7% 1.14 37%
VsiReqPool(s2w) 9.37 4% 1.31 28%
VsiReqPool(vli) 111.71 8% 18.56 48%
VsiReqPool(mdio22) 46.87 0% 25.31 0%
VsiReqPool(mdio45) 32.81 0% 0.75 0%
GalGbicEntrys 2.48 3% 0.09 100%
IrmMfibIntrfs 6144.00 0% 0.00 0%
Event Nodes 160.00 0% 0.00 0%
Event Nodes 160.00 0% 0.03 0%
K5L3FlcEntryAvlTree2 3225.58 0% 4.54 96%
K5PktSampPortStatsNo 2.00 0% 0.00 0%
K5PktSampVlanStatsNo 2.00 0% 0.00 0%
K5AclLabelSignatureM 10880.00 0% 0.66 100%
K5AclLabelMapEntryPa 1408.00 0% 0.00 0%
K5RwAdjs 5376.00 0% 2.46 90%
TableMapMan NameToTa 77.00 0% 0.00 0%
TableMapAllocator 178.00 0% 0.00 0%
InpTosMarkTbl BlockA 14.00 1% 0.21 100%
InpCosMarkTbl BlockA 14.00 1% 0.21 100%
InpExpMarkTbl BlockA 14.00 1% 0.21 100%
OutTosMarkTbl BlockA 14.00 1% 0.21 100%
OutCosMarkTbl BlockA 14.00 1% 0.21 100%
OutExpMarkTbl BlockA 14.00 3% 0.49 100%
K5TxPacketInfo 384.00 0% 0.02 0%
K5TxPacket 320.00 0% 0.01 0%
RkisoIpPbrRouteMaps 97.65 0% 0.00 0%
CommandTables 48.00 14% 6.79 100%
------------------ ------------------
TSM totals 1614919.67 0% 732.27 88%

 

 

 

 

what can be the reason ???

 

 

 

Everyone's tags (1)
8 REPLIES 8
VIP Advisor

Re: Cisco 4948E Cpu High utilization

Can you post show version 

 

some bugs reported here  same like, but only can confirm once we see your version

https://quickview.cloudapps.cisco.com/quickview/bug/CSCsy32312

 

Follow some diag tips :

 

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-4000-series-switches/65591-cat4500-high-cpu.html

BB
*** Rate All Helpful Responses ***
Beginner

Re: Cisco 4948E Cpu High utilization

Switch#show version
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M) , Version 15.2(4)E7, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2018 by Cisco Systems, Inc.
Compiled Tue 18-Sep-18 13:49 by prod_rel_team

ROM: 12.2(44r)SG9
Switch uptime is 1 day, 8 hours, 29 minutes
System returned to ROM by power-on
System image file is "bootflash:cat4500e-entservicesk9-mz.152-4.E7.bin"
Highlighted
Hall of Fame Community Legend

Re: Cisco 4948E Cpu High utilization

Raise a TAC Case. I agree and this looks like CSCsy32312.
Beginner

Re: Cisco 4948E Cpu High utilization

whats the solution of it??

what should i upgrade ??


Thanks..!!
VIP Advisor

Re: Cisco 4948E Cpu High utilization

Upgrade is the option and resolve in  (Resolved in 12.2(50)SG6, 12.2(53)SG1)

 

 

 

 

BB
*** Rate All Helpful Responses ***
Beginner

Re: Cisco 4948E Cpu High utilization

HI,

 

its 15.2 now..

its 12.xxx.

 

 

Hall of Fame Community Legend

Re: Cisco 4948E Cpu High utilization

Raise a TAC Case because the information in the Bug ID has not been updated for a long, long time.
VIP Advisor

Re: Cisco 4948E Cpu High utilization

yes possible you can update to latest, but required follow the steps, read the release notes for upgrade.

 

if this under Cisco contract contact TAC, they able to assists you on this bug.,

 

BB
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