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SDWAN tunnel count alert

TechnStuff
Level 1
Level 1

Can we setup an SNMP trap when an SDWAN router is near its maximum tunnel count e.g. C822-1N-4T has a maximum overlay tunnel limit of 2500 tunnels. Does device generate an SNMP trap when it is nearing that limit? 

1 Reply 1

ekhabaro
Cisco Employee
Cisco Employee

well, maybe it could be possible with help of some EEM script similar to this:

event manager applet Monitor_Sessions
 event timer watchdog time 60
 action 1.0 cli command "enable"
 action 2.0 cli command "show sdwan bfd summary | include total"
 action 3.0 regexp "sessions-total\s+(\d+)" "$_cli_result" match total_sessions
 action 4.0 if $_regexp_result eq 1
 action 5.0  if $total_sessions ge 2000
 action 6.0   cli command "send snmp trap 1.3.6.1.4.1.9.9.41.2.0.1"
 action 7.0  end
 action 8.0 end

but you need "if" statement and it is not available currently as of 17.12 version:

(config-applet)# action 5.0 if ?
Possible completions:
<cr>

I would suggest reaching out to TAC via a formal case and ask on plans to implement this and to express interest in this functionality, reach out to your account team as well for the same

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