Once you have enabled cisco IP sla udp echo and would like to check it

  ip sla 55555
  udp-echo 10.15.15.15 35000 control disable
  ip sla schedule 55555 life forever start-time now

and would like to check it

  nping -c100 -udp -p 35000 -g 35000 --data '0x00010000abcdabcdabcdabcdabcdabcd' 192.168.44.99

  Starting Nping 0.7.40 ( https://nmap.org/nping ) at 2017-04-12 21:07 EDT
  SENT (0.0332s) UDP 10.15.15.15:35000 > 192.168.44.99:35000 ttl=64 id=31096 iplen=44 
  RCVD (0.2180s) UDP 192.168.44.99:35000 > 10.15.15.15:35000 ttl=244 id=40587 iplen=44 
  SENT (1.0339s) UDP 10.15.15.15:35000 > 192.168.44.99:35000 ttl=64 id=31096 iplen=44 
  RCVD (1.2380s) UDP 192.168.44.99:35000 > 10.15.15.15:35000 ttl=244 id=40589 iplen=44 
  SENT (2.0349s) UDP 10.15.15.15:35000 > 192.168.44.99:35000 ttl=64 id=31096 iplen=44 
  ^C 
  Max rtt: N/A | Min rtt: N/A | Avg rtt: N/A
  Raw packets sent: 3 (132B) | Rcvd: 2 (92B) | Lost: 1 (33.33%)

IPs must be NOT NATed.


Installing Debian via IPv6

Fri 05 August 2016 by someone

Installing Debian via stateless IPv6 configured interfaces

read more