MSDP peers U/DOWN twice on daily basis , running on CAT 6500 switch

[kingvoice]

Hello  Expert !

   I have nine MSDP sites connected as a mesh  topology, facing issue  diconnection  twice  every " . What will be the cause ? How to resolve this issue?

KV

[Vasilii Mikhailovskii]

Hello.

Could you share log message for the disconnect?

MSDP connection could go down in case of any connectivity issue between the boxes (with msdp originator ip-addresses) - check if tcp connection is stable, prefix does not flap and no issue[s] on WAN links.