[c-nsp] ME3600 BFD flapping
jure brkljacic
zblajhani at gmail.com
Wed Aug 27 07:06:15 EDT 2014
Hi,
Please find the required information
router_2#show platform aspdma all_counters 0
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
0 15 1578 1638 0 0 0 0
0 0
1 130894480 9053793470 9577371390 0 0 0 0
0 0
3 20844 4660953 4744329 0 0 0 0
0 0
6 526414 70518175 72623831 0 0 0 0
0 0
8 80236 4816184 5137128 0 0 0 0
0 0
12 408 111832 113464 0 0 0 0
0 41
17 8 816 848 0 0 0 0
0 0
26 17900495 2222454012 2294055992 0 0 0 0
0 1320
27 178 18308 19020 0 0 0 0
0 0
28 1326543 99865500 105171672 0 0 0 0
0 114
29 17646 1260973 1331557 0 0 0 0
0 75
TxQ Pkts Bytes ixBytes Tx_error
---------------------------------------------------
0 120157115 8190077496 8670705956 0
1 76 5122 5426 0
router_2#show platform aspdma all_counters 0
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
0 15 1578 1638 0 0 0 0
0 0
1 130894886 9053821544 9577401088 0 0 0 0
0 0
3 20844 4660953 4744329 0 0 0 0
0 0
6 526415 70518299 72623959 0 0 0 0
0 0
8 80236 4816184 5137128 0 0 0 0
0 0
12 408 111832 113464 0 0 0 0
0 41
17 8 816 848 0 0 0 0
0 0
26 17900538 2222459286 2294061438 0 0 0 0
0 1320
27 178 18308 19020 0 0 0 0
0 0
28 1326550 99866013 105172213 0 0 0 0
0 114
29 17646 1260973 1331557 0 0 0 0
0 75
TxQ Pkts Bytes ixBytes Tx_error
---------------------------------------------------
0 120157485 8190102532 8670732472 0
1 76 5122 5426 0
router_2#show platform aspdma all_counters 0
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
0 15 1578 1638 0 0 0 0
0 0
1 130895174 9053841476 9577422172 0 0 0 0
0 0
3 20844 4660953 4744329 0 0 0 0
0 0
6 526417 70518547 72624215 0 0 0 0
0 0
8 80236 4816184 5137128 0 0 0 0
0 0
12 408 111832 113464 0 0 0 0
0 41
17 8 816 848 0 0 0 0
0 0
26 17900575 2222463888 2294066188 0 0 0 0
0 1320
27 178 18308 19020 0 0 0 0
0 0
28 1326553 99866233 105172445 0 0 0 0
0 114
29 17646 1260973 1331557 0 0 0 0
0 75
TxQ Pkts Bytes ixBytes Tx_error
router_2#show platform aspdma all_counters 1
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
TxQ Pkts Bytes ixBytes Tx_error
---------------------------------------------------
0 17533102 1323820661 1393953069 0
1 20944 6463501 6547277 0
router_2#show platform aspdma all_counters 1
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
TxQ Pkts Bytes ixBytes Tx_error
---------------------------------------------------
0 17533160 1323824751 1393957391 0
1 20944 6463501 6547277 0
router_2#show platform aspdma all_counters 1
RxQ Pkts Bytes ixBytes buffail refltry reflfail
jmbfail Rx_err Jumbo
------------------------------------------------------------------------------------------------
TxQ Pkts Bytes ixBytes Tx_error
---------------------------------------------------
0 17533192 1323827157 1393959925 0
1 20944 6463501 6547277 0
router_2#show platform qos policer cpu 1 0
########### Stats for CPU queue 1 ##########
Internal Qnum: 18177
Policer conform: 130906793 (packets) 9054645150 (bytes)
Policer exceed: 0 (packets) 0 (bytes)
RM Drops: 0 (packets) 0 (bytes)
#############################################
router_2#show platform qos policer cpu 1 0
########### Stats for CPU queue 1 ##########
Internal Qnum: 18177
Policer conform: 130907229 (packets) 9054675294 (bytes)
Policer exceed: 0 (packets) 0 (bytes)
RM Drops: 0 (packets) 0 (bytes)
#############################################
router_2#show platform qos policer cpu 1 0
########### Stats for CPU queue 1 ##########
Internal Qnum: 18177
Policer conform: 130907665 (packets) 9054705452 (bytes)
Policer exceed: 0 (packets) 0 (bytes)
RM Drops: 0 (packets) 0 (bytes)
#############################################
On Wed, Aug 27, 2014 at 9:44 AM, Vitkovský Adam <adam.vitkovsky at swan.sk>
wrote:
> Hi Jure,
>
> 35 is a lot of BFD sessions and on ME3600X BFD is handled by CPU.
>
> You can check the CPU queues BFD uses queue 1:
> Take these two or three times in a row:
> show platform aspdma all_counters 0
> or
> show platform aspdma all_counters 1
> and
> show platform qos policer cpu 1 0
>
> Then you can check for BGD drops:
> show bfd drops
>
> Or you can check if there are some interface discard counters incrementing:
> show interfaces counters errors
>
>
> Oh and in order to take the above cmds you might need to enable service
> internal
> conf t
> service internal
> exit
>
>
> adam
>
> > -----Original Message-----
> > From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> > jure brkljacic
> > Sent: Tuesday, August 26, 2014 1:50 PM
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] ME3600 BFD flapping
> >
> > Hi,
> >
> > We have a huge problems with BFD flapping on ME3600.It`s random event on
> > two 3600 connected to the "same" end system.
> >
> > a.) First we thought that interface output drops causing BFD
> flapping.Than
> > we configure a
> > a output queue policy to eliminate interface output drops. BFD
> flapping
> > still there :(
> >
> > Code running:me360x-universalk9-mz.153-3.S3
> > Number of BFD sessions: ~35
> > timers:150 multiplier 3
> > CPU:~10%
> >
> > Any help will be greatly appreciated.
> > _______________________________________________
> > cisco-nsp mailing list cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
>
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