1  2019-04-26 15:32:49.715242 IP (tos 0xc0, ttl 255, id 53796, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
   2  2019-04-26 15:32:49.725449 IP (tos 0xc0, ttl 255, id 24067, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
   3  2019-04-26 15:32:49.771212 IP (tos 0xc0, ttl 255, id 42520, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
   4  2019-04-26 15:32:49.963242 IP (tos 0xc0, ttl 255, id 53821, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
   5  2019-04-26 15:32:50.077458 IP (tos 0xc0, ttl 255, id 24116, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
   6  2019-04-26 15:32:50.123245 IP (tos 0xc0, ttl 255, id 42545, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
   7  2019-04-26 15:32:50.251236 IP (tos 0xc0, ttl 255, id 53849, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
   8  2019-04-26 15:32:50.429453 IP (tos 0xc0, ttl 255, id 24181, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
   9  2019-04-26 15:32:50.443240 IP (tos 0xc0, ttl 255, id 42625, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  10  2019-04-26 15:32:50.495231 IP (tos 0xc0, ttl 255, id 53880, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  11  2019-04-26 15:32:50.763252 IP (tos 0xc0, ttl 255, id 53916, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  12  2019-04-26 15:32:50.781440 IP (tos 0xc0, ttl 255, id 24228, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  13  2019-04-26 15:32:50.795209 IP (tos 0xc0, ttl 255, id 42645, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  14  2019-04-26 15:32:51.055254 IP (tos 0xc0, ttl 255, id 53938, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  15  2019-04-26 15:32:51.169437 IP (tos 0xc0, ttl 255, id 24241, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  16  2019-04-26 15:32:51.179235 IP (tos 0xc0, ttl 255, id 42685, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  17  2019-04-26 15:32:51.263249 IP (tos 0xc0, ttl 255, id 53987, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  18  2019-04-26 15:32:51.517455 IP (tos 0xc0, ttl 255, id 24294, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  19  2019-04-26 15:32:51.531253 IP (tos 0xc0, ttl 255, id 42759, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  20  2019-04-26 15:32:51.563242 IP (tos 0xc0, ttl 255, id 54018, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  21  2019-04-26 15:32:51.815238 IP (tos 0xc0, ttl 255, id 54063, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  22  2019-04-26 15:32:51.851228 IP (tos 0xc0, ttl 255, id 42801, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  23  2019-04-26 15:32:51.901437 IP (tos 0xc0, ttl 255, id 24357, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  24  2019-04-26 15:32:52.055249 IP (tos 0xc0, ttl 255, id 54069, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  25  2019-04-26 15:32:52.171267 IP (tos 0xc0, ttl 255, id 42809, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  26  2019-04-26 15:32:52.221449 IP (tos 0xc0, ttl 255, id 24379, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  27  2019-04-26 15:32:52.363241 IP (tos 0xc0, ttl 255, id 54140, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  28  2019-04-26 15:32:52.523246 IP (tos 0xc0, ttl 255, id 42894, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  29  2019-04-26 15:32:52.541447 IP (tos 0xc0, ttl 255, id 24387, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  30  2019-04-26 15:32:52.623226 IP (tos 0xc0, ttl 255, id 54156, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  31  2019-04-26 15:32:52.893448 IP (tos 0xc0, ttl 255, id 24420, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  32  2019-04-26 15:32:52.907208 IP (tos 0xc0, ttl 255, id 42968, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  33  2019-04-26 15:32:52.939217 IP (tos 0xc0, ttl 255, id 54161, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  34  2019-04-26 15:32:53.175261 IP (tos 0xc0, ttl 255, id 54189, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  35  2019-04-26 15:32:53.245445 IP (tos 0xc0, ttl 255, id 24444, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  36  2019-04-26 15:32:53.259218 IP (tos 0xc0, ttl 255, id 43041, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  37  2019-04-26 15:32:53.455241 IP (tos 0xc0, ttl 255, id 54223, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  38  2019-04-26 15:32:53.565443 IP (tos 0xc0, ttl 255, id 24471, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.12.51993 > 101.0.0.1.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (1200 ms Detection time), BFD Length: 24
       My Discriminator: 0x89860b19, Your Discriminator: 0x457f7451
         Desired min Tx Interval:     400 ms
         Required min Rx Interval:    400 ms
         Required min Echo Interval:  400 ms
  39  2019-04-26 15:32:53.611260 IP (tos 0xc0, ttl 255, id 43060, offset 0, flags [none], proto UDP (17), length 52)
   101.0.0.1.62545 > 101.0.0.12.4784: BFDv1, length: 24
       Multihop, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x457f7451, Your Discriminator: 0x89860b19
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms
  40  2019-04-26 15:32:53.739250 IP (tos 0xc0, ttl 255, id 54269, offset 0, flags [none], proto UDP (17), length 52)
   161.1.12.1.60409 > 161.1.12.12.3784: BFDv1, length: 24
       Control, State Up, Flags: [none], Diagnostic: No Diagnostic (0x00)
       Detection Timer Multiplier: 3 (900 ms Detection time), BFD Length: 24
       My Discriminator: 0x7429abf9, Your Discriminator: 0xd43a40c1
         Desired min Tx Interval:     300 ms
         Required min Rx Interval:    300 ms
         Required min Echo Interval:  300 ms