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BGP connection flapping -...

BGP connection flapping - StateChangeReason=VPNv4 NLRI Parsed Error

Created: Oct 24, 2018 17:10:46Latest reply: Nov 5, 2018 08:42:57 761 5 0 0 0
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Hello.

S5710-EI
Software Version V200R005C00SPC500

I need to connect my S5710-EI to Route Reflector (Cisco) via MP-BGP. Connection state up in  "Estabished" but immediatly turn down to state "Idle".

Logs massege on S5710-EI tell me:

Oct 18 2018 22:19:51+05:00 Chernushka-US-R2 %BGP/3/STATE_CHG_UPDOWN(l)[60]:The status of the peer 172ublic, StateChangeReason=VPNv4 NLRI Parsed Error)



Complete code error - Update Messege Error (code 3), Optional attribute error (subcode 9).

But I do not understand what attribute is wrong.

Could you help me?

P.S. Wireshark dump, configurations and log masseges in add.
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Skay
Created Nov 5, 2018 08:42:57

hi Evgen , i checked your provide logs and configuration , but seem the debugging information not completed . i cannot found any related error code for this neighbor 172.22.182.191 Down BGP Notification received .if we don't know the really error code for this issue , it's hard to locate the root cause .

Error Subcode 9 possible reason is error optional attribute , please check both device optional attribute whether configured the same .

if both device optional attribute configured the same ,i suggest you contact to local office or TAC support center . create SR ticket ask for support . and get the latest bgp debugging information and shared to us .
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Jessica_Tian
Jessica_Tian Created Oct 25, 2018 01:36:38

from the logs, i see this warnning : Oct 18 09:07:48.255 ***: %BGP-5-ADJCHANGE: neighbor 172.22.182.191 Down Peer closed the session. the peer close this session . have you check the peer ?

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Hawasli
Hawasli Created Oct 25, 2018 10:29:27

i believe the problem from the peer
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Mysterious.color
Mysterious.color Created Oct 25, 2018 21:56:56

can you provide more information?
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Skay
Skay Created Nov 2, 2018 08:10:04

Suggest you ask for support from TAC support center
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6#
Skay
Skay Created Nov 5, 2018 08:42:57

hi Evgen , i checked your provide logs and configuration , but seem the debugging information not completed . i cannot found any related error code for this neighbor 172.22.182.191 Down BGP Notification received .if we don't know the really error code for this issue , it's hard to locate the root cause .

Error Subcode 9 possible reason is error optional attribute , please check both device optional attribute whether configured the same .

if both device optional attribute configured the same ,i suggest you contact to local office or TAC support center . create SR ticket ask for support . and get the latest bgp debugging information and shared to us .
View more
  • x
  • convention：
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