Configurar o cliente TWAMP e o servidor TWAMP para se reconectar automaticamente após a indisponibilidade do servidor TWAMP
Você pode executar o cliente TWAMP automaticamente sem qualquer intervenção manual durante falhas de rede ou alterações de configuração. Em caso de interrupção de rede ou perda de conexão entre um cliente TWAMP e um servidor TWAMP, todas as conexões de controle TWAMP TCP afetadas e sessões de teste de UDP são perdidas. Em cada intervalo de teste, o cliente TWAMP continua a enviar os pacotes de controle para restabelecer a conectividade com o servidor TWAMP até que seja bem-sucedido. Todas as estatísticas serão mantidas durante essa falha de rede.
Este procedimento é apenas para o Junos OS. Para configurar o cliente TWAMP:
- Configure as interfaces.
[edit interfaces] user@router1# set si-2/2/0 unit 0 family inet user@router1# set si-2/2/0 unit 10 rpm twamp-client user@router1# set si-2/2/0 unit 10 family inet address 192.168.20.1/32
- Configure o chassi.
[edit chassis] user@router1# set fpc 2 pic 2 inline-services bandwidth 1g
- Configure os serviços.
[edit services] user@router1# set rpm twamp client control-connection c1 destination-interface si-2/2/0.10 user@router1# set rpm twamp client control-connection c1 persistent-results user@router1# set rpm twamp client control-connection c1 history-size 500 user@router1# set rpm twamp client control-connection c1 routing instance IN user@router1# set rpm twamp client control-connection c1 target-address 192.0.2.2 user@router1# set rpm twamp client control-connection c1 tcp-keepidle 20 user@router1# set rpm twamp client control-connection c1 tcp-keepintvl 4 user@router1# set rpm twamp client control-connection c1 tcp-keepcnt 10 user@router1# set rpm twamp client control-connection c1 test-interval 4 user@router1# set rpm twamp client control-connection c1 traps control-connection-closed user@router1# set rpm twamp client control-connection c1 test-session t1 target-address 192.0.2.2 user@router1# set rpm twamp client control-connection c1 test-session t1 data-fill-with-zeros user@router1# set rpm twamp client control-connection c1 test-session t1 data-size 1400 user@router1# set rpm twamp client control-connection c1 test-session t1 probe-count 20 user@router1# set rpm twamp client control-connection c1 test-session t1 probe-interval 1 user@router1# set rpm twamp client control-connection c1 test-session t2 target-address 192.0.2.2 user@router1# set rpm twamp client control-connection c1 test-session t1 data-fill-with-zeros user@router1# set rpm twamp client control-connection c1 test-session t1 data-size 1400 user@router1# set rpm twamp client control-connection c1 test-session t1 probe-count 20 user@router1# set rpm twamp client control-connection c1 test-session t1 probe-interval 1 user@router1# set rpm twamp client control-connection c1 test-session t1 thresholds total-loss 10 user@router1# set rpm twamp client control-connection c1 test-session t1 thresholds jitter-gress 20 user@router1# set rpm twamp client control-connection c1 test-session t2 target-address 192.0.3.1 user@router1# set rpm twamp client control-connection c1 test-session t2 data-fill-with-zeros user@router1# set rpm twamp client control-connection c1 test-session t2 data-size 1400 user@router1# set rpm twamp client control-connection c1 test-session t2 probe-count 15 user@router1# set rpm twamp client control-connection c1 test-session t2 probe-interval 1 user@router1# set rpm twamp client control-connection c1 test-session t2 thresholds total-loss 10 user@router1# set rpm twamp client control-connection c1 test-session t2 thresholds jitter-gress 20
Para configurar o servidor TWAMP:
Configure as interfaces.
[edit interfaces] user@router1# set si-1/1/0 unit 30 family inet user@router1# set si-1/1/0 unit 30 rpm twamp-server user@router1# set si-1/1/0 unit 30 family inet address 192.02.2/24
Configure o chassi.
[edit chassis] user@router1# set fpc 1 pic 1 inline-services bandwidth 1g
Configure os serviços.
[edit services] user@router1# set rpm twamp server tcp-keepidle 200 user@router1# set rpm twamp server tcp-keepintvl 20 user@router1# set rpm twamp server tcp-keepcnt 210 user@router1# set rpm twamp server authentication-mode none user@router1# set rpm twamp server server-inactivity-timeout 5 user@router1# set rpm twamp server reflector-inactivity-timeout 15 user@router1# set rpm twamp server max-connection-duration 0 user@router1# set rpm twamp server maximum-sessions 100 user@router1# set rpm twamp server maximum-sessions-per-connection 50 user@router1# set rpm twamp server maximum-connections 500 user@router1# set rpm twamp server maximum-connections-per-client 500 user@router1# set rpm twamp server port 862 user@router1# set rpm twamp server client-list Client1 address 192.168.20.1/24
Quando o servidor TWAMP é alcançável, a saída para o Junos OS é a seguinte. O TWAMP-Server-Status é Connected e o Number-Of-Retries-With-TWAMP-Server 1
user@router1> show services rpm twamp client probe-results | no-more
Jan 11 11:43:42
Owner: c1, Test: t1
server-address: 192.0.2.2, server-port: 862, Client address: 192.168.20.1, Client port: 58991
TWAMP-Server-Status: Connected, Number-Of-Retries-With-TWAMP-Server: 1
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 20 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:43:41 2019
Probe rcvd/timeout time: Fri Jan 11 11:43:41 2019
Rtt: 57 usec, Egress jitter: 1 usec, Ingress jitter: -1 usec, Round trip jitter: 0 usec
Egress interarrival jitter: 43 usec, Ingress interarrival jitter: 43 usec, Round trip interarrival jitter: 1 usec
Results over current test:
.......
........
Owner: c1, Test: t2
server-address: 192.0.2.2, server-port: 862, Client address: 192.168.20.1, Client port: 58991
TWAMP-Server-Status: Connected, Number-Of-Retries-With-TWAMP-Server: 1
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 15 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:43:36 2019
Probe rcvd/timeout time: Fri Jan 11 11:43:36 2019
Rtt: 58 usec, Egress jitter: 1 usec, Ingress jitter: -1 usec, Round trip jitter: 0 usec
Egress interarrival jitter: 28 usec, Ingress interarrival jitter: 28 usec, Round trip interarrival jitter: 0 usec
Results over current test:
Probes sent: 15, Probes received: 15, Loss percentage: 0.000000
Measurement: Round trip time
Samples: 15, Minimum: 57 usec, Maximum: 59 usec, Average: 58 usec, Peak to peak: 2 usec, Stddev: 1 usec, Sum: 866 usec
Measurement: Positive egress jitter
........
Measurement: Round trip time
Samples: 105, Minimum: 57 usec, Maximum: 59 usec, Average: 58 usec, Peak to peak: 2 usec, Stddev: 1 usec, Sum: 6062 usec
Measurement: Positive egress jitter
Samples: 77, Minimum: 0 usec, Maximum: 398 usec, Average: 12 usec, Peak to peak: 398 usec, Stddev: 63 usec, Sum: 925 usec
Measurement: Negative egress jitter
Samples: 18, Minimum: 16 usec, Maximum: 431 usec, Average: 69 usec, Peak to peak: 415 usec, Stddev: 91 usec, Sum: 1248 usec
Measurement: Positive ingress jitter
Samples: 19, Minimum: 0 usec, Maximum: 431 usec, Average: 66 usec, Peak to peak: 431 usec, Stddev: 90 usec, Sum: 1249 usec
Measurement: Negative ingress jitter
Samples: 76, Minimum: 1 usec, Maximum: 397 usec, Average: 12 usec, Peak to peak: 396 usec, Stddev: 63 usec, Sum: 922 usec
Measurement: Positive round trip jitter
Samples: 79, Minimum: 0 usec, Maximum: 1 usec, Average: 0 usec, Peak to peak: 1 usec, Stddev: 0 usec, Sum: 26 usec
Measurement: Negative round trip jitter
Samples: 25, Minimum: 1 usec, Maximum: 1 usec, Average: 1 usec, Peak to peak: 0 usec, Stddev: 0 usec, Sum: 25 usec
Depois que o servidor é desativado usando o comando deactivate interfaces si-1/1/0 unit 30 , a saída é a seguinte para o Junos OS. O TWAMP-Server-Status é Not Connected e o Number-Of-Retries-With-TWAMP-Server é 12:
user@router1> show services rpm twamp client probe-results control-connection c1 | no-more
Jan 11 11:48:24
Owner: c1, Test: t1
server-address: 192.0.2.2, server-port: 862, Client address: 192.168.20.1, Client port: 58991
TWAMP-Server-Status: Not Connected, Number-Of-Retries-With-TWAMP-Server: 12
Reflector address: 192.0.2.2, Reflector port: 14779, Sender address: 192.168.20.1, sender-port: 14779
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 20 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:45:38 2019
Probe rcvd/timeout time: Fri Jan 11 11:45:38 2019
Rtt: 55 usec, Egress jitter: -17 usec, Ingress jitter: 18 usec, Round trip jitter: 1 usec
Egress interarrival jitter: 37 usec, Ingress interarrival jitter: 37 usec, Round trip interarrival jitter: 0 usec
Results over current test:
Probes sent: 10, Probes received: 10, Loss percentage: 0.000000
Measurement: Round trip time
.........
Samples: 17, Minimum: 0 usec, Maximum: 3 usec, Average: 0 usec, Peak to peak: 3 usec, Stddev: 1 usec, Sum: 4 usec
Measurement: Negative round trip jitter
Samples: 3, Minimum: 1 usec, Maximum: 3 usec, Average: 2 usec, Peak to peak: 2 usec, Stddev: 1 usec, Sum: 5 usec
Results over all tests:
Probes sent: 210, Probes received: 210, Loss percentage: 0.000000
........
TWAMP-Server-Status: Not Connected, Number-Of-Retries-With-TWAMP-Server: 12
Reflector address: 192.0.2.2, Reflector port: 14778, Sender address: 192.168.20.1, sender-port: 14778
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 15 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:45:38 2019
Probe rcvd/timeout time: Fri Jan 11 11:45:38 2019
Rtt: 58 usec, Egress jitter: -18 usec, Ingress jitter: 19 usec, Round trip jitter: 0 usec
..........
Results over all tests:
Probes sent: 160, Probes received: 160, Loss percentage: 0.000000
Measurement: Round trip time
Samples: 160, Minimum: 57 usec, Maximum: 59 usec, Average: 58 usec, Peak to peak: 2 usec, Stddev: 1 usec, Sum: 9232 usec
Measurement: Positive egress jitter
Samples: 119, Minimum: 0 usec, Maximum: 398 usec, Average: 12 usec, Peak to peak: 398 usec, Stddev: 62 usec, Sum: 1398 usec
Measurement: Negative egress jitter
Samples: 27, Minimum: 16 usec, Maximum: 431 usec, Average: 64 usec, Peak to peak: 415 usec, Stddev: 76 usec, Sum: 1723 usec
Measurement: Positive ingress jitter
Samples: 28, Minimum: 0 usec, Maximum: 431 usec, Average: 62 usec, Peak to peak: 431 usec, Stddev: 76 usec, Sum: 1727 usec
Measurement: Negative ingress jitter
Samples: 118, Minimum: 1 usec, Maximum: 397 usec, Average: 12 usec, Peak to peak: 396 usec, Stddev: 62 usec, Sum: 1400 usec
Measurement: Positive round trip jitter
Samples: 120, Minimum: 0 usec, Maximum: 1 usec, Average: 0 usec, Peak to peak: 1 usec, Stddev: 0 usec, Sum: 39 usec
Measurement: Negative round trip jitter
Samples: 39, Minimum: 1 usec, Maximum: 1 usec, Average: 1 usec, Peak to peak: 0 usec, Stddev: 0 usec, Sum: 39 usec
Depois de ativar o servidor usando o activate interfaces si-1/1/0 unit 30 comando, a saída é a seguinte para o Junos OS. O TWAMP-Server-Status é Connected e o Number-Of-Retries-With-TWAMP-Server é 12.
user@router1> show services rpm twamp client probe-results control-connection c1 | no-more
Jan 11 11:48:50
Owner: c1, Test: t1
server-address: 192.0.2.2, server-port: 862, Client address: 192.168.20.1, Client port: 58991
TWAMP-Server-Status: Connected, Number-Of-Retries-With-TWAMP-Server: 12
Reflector address: 192.0.2.2, Reflector port: 14963, Sender address: 192.168.20.1, sender-port: 14963
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 20 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:48:50 2019
Probe rcvd/timeout time: Fri Jan 11 11:48:50 2019
.....
Results over all tests:
Probes sent: 218, Probes received: 218, Loss percentage: 0.000000
Measurement: Round trip time
Samples: 218, Minimum: 54 usec, Maximum: 59 usec, Average: 56 usec, Peak to peak: 5 usec, Stddev: 1 usec, Sum: 12160 usec
......
Owner: c1, Test: t2
server-address: 192.0.2.2, server-port: 862, Client address: 192.168.20.1, Client port: 58991
TWAMP-Server-Status: Connected, Number-Of-Retries-With-TWAMP-Server: 12
Reflector address: 192.0.2.2, Reflector port: 14962, Sender address: 192.168.20.1, sender-port: 14962
Routing Instance Name: IN
Destination interface name: si-2/2/0.10
Test size: 15 probes
Probe results:
Response received
Probe sent time: Fri Jan 11 11:48:50 2019
Probe rcvd/timeout time: Fri Jan 11 11:48:50 2019
Rtt: 57 usec, Egress jitter: 2 usec, Ingress jitter: -3 usec,
......
Results over all tests:
Probes sent: 168, Probes received: 168, Loss percentage: 0.000000
Measurement: Round trip time
Samples: 168, Minimum: 57 usec, Maximum: 59 usec, Average: 58 usec, Peak to peak: 2 usec, Stddev: 1 usec, Sum: 9691 usec
Measurement: Positive egress jitter
Samples: 124, Minimum: 0 usec, Maximum: 398 usec, Average: 11 usec, Peak to peak: 398 usec, Stddev: 61 usec, Sum: 1406 usec
Measurement: Negative egress jitter
Samples: 29, Minimum: 16 usec, Maximum: 431 usec, Average: 62 usec, Peak to peak: 415 usec, Stddev: 74 usec, Sum: 1806 usec
Measurement: Positive ingress jitter
Samples: 30, Minimum: 0 usec, Maximum: 431 usec, Average: 60 usec, Peak to peak: 431 usec, Stddev: 74 usec, Sum: 1811 usec
Measurement: Negative ingress jitter
Samples: 123, Minimum: 1 usec, Maximum: 397 usec, Average: 11 usec, Peak to peak: 396 usec, Stddev: 61 usec, Sum: 1410 usec
Measurement: Positive round trip jitter
Samples: 125, Minimum: 0 usec, Maximum: 1 usec, Average: 0 usec, Peak to peak: 1 usec, Stddev: 0 usec, Sum: 42 usec
Measurement: Negative round trip jitter
Samples: 42, Minimum: 1 usec, Maximum: 1 usec, Average: 1 usec, Peak to peak: 0 usec, Stddev: 0 usec, Sum: 42 usec