[c-nsp] ME3600 BFD flapping
jure brkljacic
zblajhani at gmail.com
Wed Aug 27 08:18:18 EDT 2014
information about BFD drops
ROUTER1
IPV4 IPV6 IPV4-M IPV6-M MPLS_PW MPLS_TP_LSP
Invalid TTL 0 0 0 0 0 0
BFD Not Configured 0 0 0 0 0 0
No BFD Adjacency 285 0 0 0 0 0
Invalid Header Bits 0 0 0 0 0 0
Invalid Discriminator 0 0 0 0 0 0
Session AdminDown 96 0 0 0 0 0
Authen invalid BFD ver 0 0 0 0 0 0
Authen invalid len 0 0 0 0 0 0
Authen invalid seq 0 0 0 0 0 0
Authen failed 0 0 0 0 0 0
ROUTER2
IPV4 IPV6 IPV4-M IPV6-M MPLS_PW MPLS_TP_LSP
Invalid TTL 0 0 0 0 0 0
BFD Not Configured 0 0 0 0 0 0
No BFD Adjacency 283 0 0 0 0 0
Invalid Header Bits 0 0 0 0 0 0
Invalid Discriminator 0 0 0 0 0 0
Session AdminDown 61 0 0 0 0 0
Authen invalid BFD ver 0 0 0 0 0 0
Authen invalid len 0 0 0 0 0 0
Authen invalid seq 0 0 0 0 0 0
Authen failed 0 0 0 0 0 0
ROUTER3
IPV4 IPV6 IPV4-M IPV6-M MPLS_PW MPLS_TP_LSP
Invalid TTL 0 0 0 0 0 0
BFD Not Configured 0 0 0 0 0 0
No BFD Adjacency 276 0 0 0 0 0
Invalid Header Bits 0 0 0 0 0 0
Invalid Discriminator 0 0 0 0 0 0
Session AdminDown 13 0 0 0 0 0
Authen invalid BFD ver 0 0 0 0 0 0
Authen invalid len 0 0 0 0 0 0
Authen invalid seq 0 0 0 0 0 0
Authen failed 0 0 0 0 0 0
ROUTER4
IPV4 IPV6 IPV4-M IPV6-M MPLS_PW MPLS_TP_LSP
Invalid TTL 0 0 0 0 0 0
BFD Not Configured 0 0 0 0 0 0
No BFD Adjacency 300 0 0 0 0 0
Invalid Header Bits 0 0 0 0 0 0
Invalid Discriminator 0 0 0 0 0 0
Session AdminDown 19 0 0 0 0 0
Authen invalid BFD ver 0 0 0 0 0 0
Authen invalid len 0 0 0 0 0 0
Authen invalid seq 0 0 0 0 0 0
Authen failed 0 0 0 0 0 0
On Wed, Aug 27, 2014 at 1:06 PM, jure brkljacic <zblajhani at gmail.com> wrote:
> 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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