[c-nsp] ME3400 high cpu

[Paul Stewart]

Can you describe the traffic going through the switch? 

 It looks like the CPU is getting pushed up due to IGMP snooping. Also
spanning tree is pretty busy but that could be related to the software
switching the debug is referencing.

Paul

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
PlaWanSai RMUTT CPE IX
Sent: Thursday, January 29, 2015 12:23 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] ME3400 high cpu

Hi,

 

The ME3400 is high CPU. How should I do next?

 

3400#sho proc cpu sor 5se

CPU utilization for five seconds: 86%/56%; one minute: 86%; five minutes:
86%

PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process 

 158  39305748352893146351          0 16.77% 15.98% 16.03%   0 IGMPSN


 149  34604419242054725442       1684  7.50%  6.82%  6.48%   0 Spanning Tree


 

3400# debug platform cpu-queues software-fwd-q

060514: Jan 29 11:43:12.155 bkk: SW-FWD-Q: IPv6 w/opt consumed by
SW-Bridging: Local Port Blocked L3If: L2If:GigabitEthernet0/16 DI:0x1F,
LT:79, Vlan:0   SrcGPN:16, SrcGID:16, ACLLogIdx:0x0, MacDA:3333.0000.0016,
MacSA: e89a.8fa8.fdca   IPv6 SA:FE80::B5:8661:A7C6:6EA5 DA:FF02::16
Nexthdr:0

   TPFFD:D8000010_0000815E_00A0005E-0000001F_00000000_00000000

 

060515: Jan 29 11:43:12.155 bkk: SW-FWD-Q: IPv6 w/opt consumed by
SW-Bridging: Local Port Blocked L3If: L2If:GigabitEthernet0/16 DI:0x1F,
LT:79, Vlan:0   SrcGPN:16, SrcGID:16, ACLLogIdx:0x0, MacDA:3333.0000.0016,
MacSA: e89a.8fa8.fdca   IPv6 SA:FE80::B5:8661:A7C6:6EA5 DA:FF02::16
Nexthdr:0

   TPFFD:D8000010_0000815E_00A0005E-0000001F_00000000_00000000

 

060516: Jan 29 11:43:12.155 bkk: SW-FWD-Q: IPv6 w/opt consumed by
SW-Bridging: Local Port Blocked L3If: L2If:GigabitEthernet0/16 DI:0x1F,
LT:79, Vlan:0   SrcGPN:16, SrcGID:16, ACLLogIdx:0x0, MacDA:3333.0000.0016,
MacSA: e89a.8fa8.fdca   IPv6 SA:FE80::B5:8661:A7C6:6EA5 DA:FF02::16
Nexthdr:0

   TPFFD:D8000010_0000815E_00A0005E-0000001F_00000000_00000000

 

060517: Jan 29 11:43:12.163 bkk: SW-FWD-Q: IPv6 w/opt consumed by
SW-Bridging: Local Port Blocked L3If: L2If:GigabitEthernet0/16 DI:0x1F,
LT:79, Vlan:0   SrcGPN:16, SrcGID:16, ACLLogIdx:0x0, MacDA:3333.0000.0016,
MacSA: e89a.8fa8.fdca   IPv6 SA:FE80::B5:8661:A7C6:6EA5 DA:FF02::16
Nexthdr:0

   TPFFD:D8000010_0000815E_00A0005E-0000001F_00000000_00000000

 

060518: Jan 29 11:43:12.163 bkk: SW-FWD-Q: IPv6 w/opt consumed by
SW-Bridging: Local Port Blocked L3If: L2If:GigabitEthernet0/16 DI:0x1F,
LT:79, Vlan:0   SrcGPN:16, SrcGID:16, ACLLogIdx:0x0, MacDA:3333.0000.0016,
MacSA: e89a.8fa8.fdca   IPv6 SA:FE80::B5:8661:A7C6:6EA5 DA:FF02::16
Nexthdr:0

   TPFFD:D8000010_0000815E_00A0005E-0000001F_00000000_00000000

 

Thank you very much.

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