G3 CPU high

[Marki]

Hi,

our G3's CPU (G3G124-24) is almost at 100% all the time...

Bootprom Version : 01.00.52
Firmware Version : 06.42.01.0046

TID Name 5Sec 1Min 5Min
----------------------------------------------------------
25b2fe0 tNetTask 0.20% 0.12% 0.09%
25c48c0 tXbdService 0.00% 0.13% 0.03%
27b7190 ipnetd 0.40% 0.16% 0.14%
2c6fcd0 osapiTimer 1.40% 1.40% 1.40%
2db82b0 bcmL2X.0 0.40% 0.40% 0.40%
2dc8ca0 bcmCNTR.0 0.20% 0.25% 0.27%
2de1d28 bcmTX 0.20% 0.14% 0.14%
2f7a3c8 bcmL2X.1 0.80% 0.82% 0.81%
2fe8e58 bcmCNTR.1 0.40% 0.27% 0.26%
3cdb510 bcmL2X.2 0.80% 0.81% 0.83%
3d489d8 bcmCNTR.2 0.20% 0.16% 0.16%
3f1e950 bcmL2X.3 0.80% 0.86% 0.94%
3f8d290 bcmCNTR.3 0.20% 0.16% 0.12%
4161950 bcmL2X.4 0.80% 0.81% 0.81%
41cfa58 bcmCNTR.4 0.40% 0.27% 0.26%
42a1a18 bcmRX 16.80% 16.81% 17.49%
47fb770 MAC Send Task 0.60% 0.60% 0.60%
480cc68 MAC Age Task 2.00% 0.70% 0.81%
5a54aa8 bcmLINK.0 2.00% 2.07% 2.08%
5c68d48 bcmLINK.1 1.20% 1.08% 1.09%
5c6e268 bcmLINK.2 0.20% 0.20% 0.20%
5c74ff8 bcmLINK.3 0.20% 0.20% 0.20%
5c7a518 bcmLINK.4 0.80% 0.72% 0.74%
745d670 SysIdleTask 0.00% 0.02% 0.38%
7fc7558 tEmWeb 0.20% 0.06% 0.48%
806da30 hapiRxTask 13.00% 11.66% 12.47%
8379f58 hapiL2AddrMacSyncTask 0.00% 0.06% 0.06%
8c60168 hapiRtAsyncTask 0.00% 0.00% 0.04%
8f8e770 macaTask 0.00% 0.05% 0.05%
8ffdff0 EDB BXS Req 0.00% 6.71% 1.66%
901f4e8 EDB BXS Resp 0.00% 0.00% 0.01%
9110190 SNMPTask 0.00% 2.26% 1.83%
9155388 RMONTask 0.00% 0.82% 0.72%
9c792c8 dot1s_timer_task 1.40% 1.35% 1.39%
a2a0900 dot3ad_timer_task 0.00% 0.02% 0.03%
a502fc8 ipMapForwardingTask 49.60% 43.65% 46.65%
a675938 VRRPdaemon 0.60% 0.57% 0.55%
a865388 ARP Timer 0.80% 0.43% 0.35%
b75b1f8 tcdpSendTask 0.40% 0.06% 0.03%
cb62b40 sshd[0] 0.00% 0.00% 0.26%

This happens once the router module is used.

We have a lot of secondaries defined an I have disabled ICMP redirects already
on that interface, but it doesn't help.

I have also tried removing access-lists from the interfaces, to no avail.

There's not that much traffic going through that device (certainly << 1Gb/s)

This G3's router is the VRRP master of a group of 4 routers.

For the rest there is not much special about it, except that when I do a show
config, it starts showing, but then the connection is dropped...

Bye.


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[Jason Parker]

IGMP traffic

Set up IGMPsnooping if you have a querier on te network
Call into the GTAC and someone can assist you

Jason Parker

Escalation Lead Support Engineer

Enterasys Networks

9 Northeastern Boulevard <x-apple-data-detectors://1>
Salem, NH 03079 <x-apple-data-detectors://1>

Thank you for choosing Enterasys

“There is nothing more important than our customers.”



On Feb 13, 2013, at 12:06 PM, Marki <tsp+***@iip.lu> wrote:

Hi,

our G3's CPU (G3G124-24) is almost at 100% all the time...

Bootprom Version : 01.00.52
Firmware Version : 06.42.01.0046

TID Name 5Sec 1Min 5Min
----------------------------------------------------------
25b2fe0 tNetTask 0.20% 0.12% 0.09%
25c48c0 tXbdService 0.00% 0.13% 0.03%
27b7190 ipnetd 0.40% 0.16% 0.14%
2c6fcd0 osapiTimer 1.40% 1.40% 1.40%
2db82b0 bcmL2X.0 0.40% 0.40% 0.40%
2dc8ca0 bcmCNTR.0 0.20% 0.25% 0.27%
2de1d28 bcmTX 0.20% 0.14% 0.14%
2f7a3c8 bcmL2X.1 0.80% 0.82% 0.81%
2fe8e58 bcmCNTR.1 0.40% 0.27% 0.26%
3cdb510 bcmL2X.2 0.80% 0.81% 0.83%
3d489d8 bcmCNTR.2 0.20% 0.16% 0.16%
3f1e950 bcmL2X.3 0.80% 0.86% 0.94%
3f8d290 bcmCNTR.3 0.20% 0.16% 0.12%
4161950 bcmL2X.4 0.80% 0.81% 0.81%
41cfa58 bcmCNTR.4 0.40% 0.27% 0.26%
42a1a18 bcmRX 16.80% 16.81% 17.49%
47fb770 MAC Send Task 0.60% 0.60% 0.60%
480cc68 MAC Age Task 2.00% 0.70% 0.81%
5a54aa8 bcmLINK.0 2.00% 2.07% 2.08%
5c68d48 bcmLINK.1 1.20% 1.08% 1.09%
5c6e268 bcmLINK.2 0.20% 0.20% 0.20%
5c74ff8 bcmLINK.3 0.20% 0.20% 0.20%
5c7a518 bcmLINK.4 0.80% 0.72% 0.74%
745d670 SysIdleTask 0.00% 0.02% 0.38%
7fc7558 tEmWeb 0.20% 0.06% 0.48%
806da30 hapiRxTask 13.00% 11.66% 12.47%
8379f58 hapiL2AddrMacSyncTask 0.00% 0.06% 0.06%
8c60168 hapiRtAsyncTask 0.00% 0.00% 0.04%
8f8e770 macaTask 0.00% 0.05% 0.05%
8ffdff0 EDB BXS Req 0.00% 6.71% 1.66%
901f4e8 EDB BXS Resp 0.00% 0.00% 0.01%
9110190 SNMPTask 0.00% 2.26% 1.83%
9155388 RMONTask 0.00% 0.82% 0.72%
9c792c8 dot1s_timer_task 1.40% 1.35% 1.39%
a2a0900 dot3ad_timer_task 0.00% 0.02% 0.03%
a502fc8 ipMapForwardingTask 49.60% 43.65% 46.65%
a675938 VRRPdaemon 0.60% 0.57% 0.55%
a865388 ARP Timer 0.80% 0.43% 0.35%
b75b1f8 tcdpSendTask 0.40% 0.06% 0.03%
cb62b40 sshd[0] 0.00% 0.00% 0.26%

This happens once the router module is used.

We have a lot of secondaries defined an I have disabled ICMP redirects
already
on that interface, but it doesn't help.

I have also tried removing access-lists from the interfaces, to no avail.

There's not that much traffic going through that device (certainly << 1Gb/s)

This G3's router is the VRRP master of a group of 4 routers.

For the rest there is not much special about it, except that when I do a
show
config, it starts showing, but then the connection is dropped...

Bye.


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[Marki]

Post by Jason Parker
IGMP traffic
Set up IGMPsnooping

Ok, I enabled igmpsnooping on the switch (all ports)

set igmpsnooping adminmode enable
set igmpsnooping interfacemode ge.*.*;tg.*.* enable

and additionally the router

ip igmp
interface vlan 123
ip igmp enable

It didn't help much really....

-> show system utilization
Total CPU Utilization:

Switch CPU 5 sec 1 min 5 min
-------------------------------------------------
1 1 91% 89% 88%

Switch:1 CPU:1

TID Name 5Sec 1Min 5Min
----------------------------------------------------------
25b2fe0 tNetTask 0.20% 0.16% 0.07%
27b7190 ipnetd 0.60% 0.42% 0.13%
2c6fcd0 osapiTimer 1.40% 1.40% 1.40%
2db82b0 bcmL2X.0 0.40% 0.40% 0.40%
2dc8ca0 bcmCNTR.0 0.40% 0.27% 0.27%
2de1d28 bcmTX 0.20% 0.17% 0.18%
2f7a3c8 bcmL2X.1 1.00% 0.86% 0.85%
2fe8e58 bcmCNTR.1 0.20% 0.27% 0.27%
3cdb510 bcmL2X.2 0.80% 0.87% 0.89%
3d489d8 bcmCNTR.2 0.20% 0.19% 0.19%
3f1e950 bcmL2X.3 1.00% 1.21% 1.01%
3f8d290 bcmCNTR.3 0.20% 0.14% 0.16%
4161950 bcmL2X.4 0.80% 0.84% 0.88%
41cfa58 bcmCNTR.4 0.20% 0.30% 0.30%
42a1a18 bcmRX 18.40% 17.91% 17.95%
47fb770 MAC Send Task 0.60% 0.60% 0.60%
480cc68 MAC Age Task 0.00% 0.76% 0.63%
5a54aa8 bcmLINK.0 2.20% 2.18% 2.18%
5c68d48 bcmLINK.1 1.20% 1.28% 1.24%
5c6e268 bcmLINK.2 0.20% 0.21% 0.22%
5c74ff8 bcmLINK.3 0.20% 0.20% 0.21%
5c7a518 bcmLINK.4 0.80% 0.80% 0.82%
745d670 SysIdleTask 5.40% 7.35% 8.63%
7fc7558 tEmWeb 0.40% 0.13% 0.03%
806da30 hapiRxTask 13.60% 13.02% 13.07%
8379f58 hapiL2AddrMacSyncTask 0.00% 0.02% 0.04%
8c60168 hapiRtAsyncTask 0.00% 0.02% 0.01%
8f8e770 macaTask 0.20% 0.03% 0.01%
901f4e8 EDB BXS Resp 0.00% 0.03% 0.04%
9110190 SNMPTask 3.40% 2.83% 1.95%
9155388 RMONTask 0.00% 1.15% 1.01%
9c792c8 dot1s_timer_task 1.40% 1.42% 1.41%
9c8a7e8 dot1s_task 0.00% 0.00% 0.00%
a288640 snoopTask 0.00% 0.00% 0.10%
a2a0900 dot3ad_timer_task 0.00% 0.03% 0.03%
a502fc8 ipMapForwardingTask 39.60% 37.26% 38.40%
a675938 VRRPdaemon 0.60% 0.59% 0.59%
a757ec8 tArpCallback 0.00% 0.09% 0.10%
a865388 ARP Timer 0.40% 0.54% 0.58%
b75b1f8 tcdpSendTask 0.00% 0.05% 0.03%
cb629e0 sshd[0] 0.00% 0.00% 0.03%

Storage Utilization:
Type Description Size(Kb) Available (Kb)
---------------------------------------------------------------
RAM RAM device 262140 53839
Flash Images, Config, Other 31484 12296


->show igmpsnooping
Admin Mode Enable
Group Membership Interval 260
Max Response Time 100
Multicast Router Present Expiration Time 0
Interfaces Enabled for IGMP Snooping........... ge.1.1
ge.1.2
ge.1.3
ge.1.4
ge.1.5
ge.1.6
ge.1.7
ge.1.8
ge.1.9
ge.1.10
ge.1.11
ge.1.12
ge.1.13
ge.1.14
ge.1.15
ge.1.16
ge.1.17
ge.1.18
ge.1.19
ge.1.20
ge.1.21
ge.1.22
ge.1.23
ge.1.24
ge.2.1
ge.2.2
ge.2.3
ge.2.4
ge.2.5
ge.2.6
ge.2.7
ge.2.8
ge.2.9
ge.2.10
ge.2.11
ge.2.12
ge.2.13
ge.2.14
ge.2.15
ge.2.16
ge.2.17
ge.2.18
ge.2.19
ge.2.20
ge.2.21
ge.2.22
ge.2.23
ge.2.24
tg.3.1
tg.3.2
tg.3.3
tg.3.4
Multicast Control Frame Count.................. 573
Data Frames Forwarded by the CPU 0

->show igmpsnooping mfdb
MAC Address Type Description Interfaces
----------------------- ------- ---------------- -------------------------
00:0B:01:00:5E:00:01:16 Dynamic Network Assist ge.1.2, tg.3.3
00:0B:01:00:5E:7F:FF:FA Dynamic Network Assist tg.3.3
00:0B:01:00:5E:7F:FF:FD Dynamic Network Assist ge.1.2, ge.1.9, ge.1.18,
ge.2.19, tg.3.3
00:0C:01:00:5E:7F:FF:FA Dynamic Network Assist
00:0D:01:00:5E:07:07:07 Dynamic Network Assist ge.1.17, tg.3.3
00:20:01:00:5E:7F:FF:FA Dynamic Network Assist
00:28:01:00:5E:7F:FF:FD Dynamic Network Assist
00:32:01:00:5E:00:01:16 Dynamic Network Assist tg.3.3
00:32:01:00:5E:00:01:3C Dynamic Network Assist tg.3.3
00:32:01:00:5E:7F:FF:FA Dynamic Network Assist tg.3.3
00:32:01:00:5E:7F:FF:FD Dynamic Network Assist tg.3.3
00:7D:01:00:5E:00:01:16 Dynamic Network Assist
00:7D:01:00:5E:00:01:23 Dynamic Network Assist
00:7D:01:00:5E:7F:FF:FA Dynamic Network Assist
00:7D:01:00:5E:7F:FF:FD Dynamic Network Assist


In fact all our G3's are at 20%-30% CPU even if nothing or not much is happening
on them. Wondering if that's normal.


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[Jason Parker]

Marki,

Did you also enable it on the router (config) as well as all VLANs?

Btw
This (bcmRX) is normally received traffic (could be broadcasts
etc.)but there are other things as well.
Could you send me your configuration- I prefer show support (
directly-> ***@enterasys.com) and I will review it?
One thing to look at is to run the
show igmpsnooping mfdb every few minutes and compare them and if you
see several of the addresses or the ports change within a short time
then the querier may not be set up correctly (This is where a
trace(wireshark is free) is good to collect on any open port.

I would capture a trace and see if something is flooding or you have
many broadcasts

Please feel free to open a case and ask the GTAC person to reach out
to me for assistance and make me co-owner of the ticket

Take care and good luck
Jason Parker
Engineer Support
Enterasys Networks
Email: ***@enterasys.com

There is "Nothing" more important than our customers

Post by Marki

Post by Jason Parker
IGMP traffic
Set up IGMPsnooping

Ok, I enabled igmpsnooping on the switch (all ports)
set igmpsnooping adminmode enable
set igmpsnooping interfacemode ge.*.*;tg.*.* enable
and additionally the router
ip igmp
interface vlan 123
ip igmp enable
It didn't help much really....
-> show system utilization
Switch CPU 5 sec 1 min 5 min
-------------------------------------------------
1 1 91% 89% 88%
Switch:1 CPU:1
TID Name 5Sec 1Min 5Min
----------------------------------------------------------
25b2fe0 tNetTask 0.20% 0.16% 0.07%
27b7190 ipnetd 0.60% 0.42% 0.13%
2c6fcd0 osapiTimer 1.40% 1.40% 1.40%
2db82b0 bcmL2X.0 0.40% 0.40% 0.40%
2dc8ca0 bcmCNTR.0 0.40% 0.27% 0.27%
2de1d28 bcmTX 0.20% 0.17% 0.18%
2f7a3c8 bcmL2X.1 1.00% 0.86% 0.85%
2fe8e58 bcmCNTR.1 0.20% 0.27% 0.27%
3cdb510 bcmL2X.2 0.80% 0.87% 0.89%
3d489d8 bcmCNTR.2 0.20% 0.19% 0.19%
3f1e950 bcmL2X.3 1.00% 1.21% 1.01%
3f8d290 bcmCNTR.3 0.20% 0.14% 0.16%
4161950 bcmL2X.4 0.80% 0.84% 0.88%
41cfa58 bcmCNTR.4 0.20% 0.30% 0.30%
42a1a18 bcmRX 18.40% 17.91% 17.95%
47fb770 MAC Send Task 0.60% 0.60% 0.60%
480cc68 MAC Age Task 0.00% 0.76% 0.63%
5a54aa8 bcmLINK.0 2.20% 2.18% 2.18%
5c68d48 bcmLINK.1 1.20% 1.28% 1.24%
5c6e268 bcmLINK.2 0.20% 0.21% 0.22%
5c74ff8 bcmLINK.3 0.20% 0.20% 0.21%
5c7a518 bcmLINK.4 0.80% 0.80% 0.82%
745d670 SysIdleTask 5.40% 7.35% 8.63%
7fc7558 tEmWeb 0.40% 0.13% 0.03%
806da30 hapiRxTask 13.60% 13.02% 13.07%
8379f58 hapiL2AddrMacSyncTask 0.00% 0.02% 0.04%
8c60168 hapiRtAsyncTask 0.00% 0.02% 0.01%
8f8e770 macaTask 0.20% 0.03% 0.01%
901f4e8 EDB BXS Resp 0.00% 0.03% 0.04%
9110190 SNMPTask 3.40% 2.83% 1.95%
9155388 RMONTask 0.00% 1.15% 1.01%
9c792c8 dot1s_timer_task 1.40% 1.42% 1.41%
9c8a7e8 dot1s_task 0.00% 0.00% 0.00%
a288640 snoopTask 0.00% 0.00% 0.10%
a2a0900 dot3ad_timer_task 0.00% 0.03% 0.03%
a502fc8 ipMapForwardingTask 39.60% 37.26% 38.40%
a675938 VRRPdaemon 0.60% 0.59% 0.59%
a757ec8 tArpCallback 0.00% 0.09% 0.10%
a865388 ARP Timer 0.40% 0.54% 0.58%
b75b1f8 tcdpSendTask 0.00% 0.05% 0.03%
cb629e0 sshd[0] 0.00% 0.00% 0.03%
Type Description Size(Kb) Available (Kb)
---------------------------------------------------------------
RAM RAM device 262140 53839
Flash Images, Config, Other 31484 12296
->show igmpsnooping
Admin Mode Enable
Group Membership Interval 260
Max Response Time 100
Multicast Router Present Expiration Time 0
Interfaces Enabled for IGMP Snooping........... ge.1.1
ge.1.2
ge.1.3
ge.1.4
ge.1.5
ge.1.6
ge.1.7
ge.1.8
ge.1.9
ge.1.10
ge.1.11
ge.1.12
ge.1.13
ge.1.14
ge.1.15
ge.1.16
ge.1.17
ge.1.18
ge.1.19
ge.1.20
ge.1.21
ge.1.22
ge.1.23
ge.1.24
ge.2.1
ge.2.2
ge.2.3
ge.2.4
ge.2.5
ge.2.6
ge.2.7
ge.2.8
ge.2.9
ge.2.10
ge.2.11
ge.2.12
ge.2.13
ge.2.14
ge.2.15
ge.2.16
ge.2.17
ge.2.18
ge.2.19
ge.2.20
ge.2.21
ge.2.22
ge.2.23
ge.2.24
tg.3.1
tg.3.2
tg.3.3
tg.3.4
Multicast Control Frame Count.................. 573
Data Frames Forwarded by the CPU 0
->show igmpsnooping mfdb
MAC Address Type Description Interfaces
----------------------- ------- ---------------- -------------------------
00:0B:01:00:5E:00:01:16 Dynamic Network Assist ge.1.2, tg.3.3
00:0B:01:00:5E:7F:FF:FA Dynamic Network Assist tg.3.3
00:0B:01:00:5E:7F:FF:FD Dynamic Network Assist ge.1.2, ge.1.9, ge.1.18,
ge.2.19, tg.3.3
00:0C:01:00:5E:7F:FF:FA Dynamic Network Assist
00:0D:01:00:5E:07:07:07 Dynamic Network Assist ge.1.17, tg.3.3
00:20:01:00:5E:7F:FF:FA Dynamic Network Assist
00:28:01:00:5E:7F:FF:FD Dynamic Network Assist
00:32:01:00:5E:00:01:16 Dynamic Network Assist tg.3.3
00:32:01:00:5E:00:01:3C Dynamic Network Assist tg.3.3
00:32:01:00:5E:7F:FF:FA Dynamic Network Assist tg.3.3
00:32:01:00:5E:7F:FF:FD Dynamic Network Assist tg.3.3
00:7D:01:00:5E:00:01:16 Dynamic Network Assist
00:7D:01:00:5E:00:01:23 Dynamic Network Assist
00:7D:01:00:5E:7F:FF:FA Dynamic Network Assist
00:7D:01:00:5E:7F:FF:FD Dynamic Network Assist
In fact all our G3's are at 20%-30% CPU even if nothing or not much is happening
on them. Wondering if that's normal.
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[Marki]

Hmm, I just tried to turn the IGMP stuff off again only to crash the switch (at
least the management part)

MRT: assertion (0) failed at line 1893 file
../../../../src/application/ip_mcast/vendor/igmp2/prefix.c

This seems to be fixed in 6.61.07.0010.

Therefore my question to you guys: since this G3 is still at 06.42.01.xxx (Nov
2010) and it needs to work with other G3s of the same version plus DFEs still at
version 06.12.03.xxx also in the network, to what version can I upgrade the G3
in order to be still compatible to the rest of the network, i.e. in order not to
break more than what will be improved.

What is the best practice concerning interoperability of different firmware
versions?


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