配置 TWAMP 客户端和 TWAMP 服务器,在 TWAMP 服务器不可用后自动重新连接
在网络故障或配置更改期间,您可以自动运行 TWAMP 客户端,无需任何手动干预。如果 TWAMP 客户端与 TWAMP 服务器之间存在网络中断或连接丢失,则所有受影响的 TWAMP TCP 控制连接和 UDP 测试会话将丢失。在每个测试间隔下,TWAMP 客户端都会继续发送控制数据包,以重新与 TWAMP 服务器建立连接,直到成功。网络故障期间将维护所有统计信息。
此过程仅适用于 Junos OS。要配置 TWAMP 客户端:
- 配置接口。
[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
- 配置机箱。
[edit chassis] user@router1# set fpc 2 pic 2 inline-services bandwidth 1g
- 配置服务。
[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
要配置 TWAMP 服务器:
配置接口。
[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
配置机箱。
[edit chassis] user@router1# set fpc 1 pic 1 inline-services bandwidth 1g
配置服务。
[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
当可访问 TWAMP 服务器时,Junos OS 的输出如下所示。Connected
Is TWAMP-Server-Status
和 Number-Of-Retries-With-TWAMP-Server
is 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
使用命令 deactivate interfaces si-1/1/0 unit 30
停用服务器后,Junos OS 的输出如下所示。Is TWAMP-Server-Status
Not Connected
和 Number-Of-Retries-With-TWAMP-Server
is 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
使用 activate interfaces si-1/1/0 unit 30
命令激活服务器后,Junos OS 的输出如下所示。Is TWAMP-Server-Status
Connected
和 Number-Of-Retries-With-TWAMP-Server
is 是 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