{"id":912,"date":"2012-08-07T22:08:00","date_gmt":"2012-08-07T14:08:00","guid":{"rendered":"http:\/\/note.systw.net\/note\/?p=912"},"modified":"2023-11-07T22:11:26","modified_gmt":"2023-11-07T14:11:26","slug":"cisco-ip-sla","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/912","title":{"rendered":"Cisco IP SLA"},"content":{"rendered":"\n

IP SLA(IP service-level,IP\u670d\u52d9\u7b49\u7d1a\u5354\u5b9a)<\/strong>
\u53ef\u7e8c\u76e3\u6e2c\u7db2\u8def\u7684\u54c1\u8cea,\u4e26\u5c07\u7d71\u8a08\u7d50\u679c\u5132\u5b58\u5728RTTMON MIB\u88e1\uff0c\u8b93\u5176\u4ed6\u7db2\u7ba1\u7a0b\u5f0f\u80fd\u5f9e\u8a72MIB\u7d71\u8a08\u8cc7\u6599
\u4f7f\u7528operations(\u904b\u4f5c\u5143)\u7684\u6982\u5ff5,\u6bcf\u500boperations\u5b9a\u7fa9\u4e00\u7d44\u4e0d\u540c\u7684\u76e3\u6e2c\u4efb\u52d9
\u88ab\u76e3\u6e2c\u7aef\u53ef\u4ee5\u4e0d\u9700\u4efb\u4f55\u7684\u7279\u6b8a\u8edf\u9ad4\u5c31\u53ef\u4ee5\u6b63\u5e38\u904b\u4f5c<\/p>\n\n\n\n

\u5e38\u7528\u7684\u76e3\u6e2c\u985e\u578b\u5305\u62ec\u4ee5\u4e0b
ICMP (echo, jitter)
RTP (VoIP)
TCP connection (establishes TCP connections)
UDP (echo, jitter)
DNS
DHCP
HTTP
FTP<\/p>\n\n\n\n

\u8a2d\u5b9aIP SLA
(config)# ip sla < sla-id><\/strong>
(config-ip-sla)# < sla-type [paramater]><\/strong>
\u5176\u4e2d< sla-type [paramater]>,\u5e38\u898b\u7684\u6709\u4ee5\u4e0b
icmp-echo < dst> [source-ip < src>|source-interface < int>]
(config)# ip sla schedule < sla-id> [life option][time option][ageout < sec>][recurring]<\/strong>
\u5176\u4e2d
[life option]\u53ef\u4f7f\u7528\u4ee5\u4e0b
\u3000forever \u6c38\u9060\u57f7\u884c
\u3000< sec>\u3000\u57f7\u884c\u5e7e\u79d2\u5f8c\u505c\u6b62
[time option]\u53ef\u4f7f\u7528\u4ee5\u4e0b
\u3000start-time < hh:mm[:ss]> [month day|day month]
\u3000pending
\u3000now\u3000\u7acb\u5373\u57f7\u884c
\u3000after < hh:mm:ss><\/p>\n\n\n\n

\u6307\u5b9a\u983b\u7387
(config-ip-sla)# frequency < sec><\/strong><\/p>\n\n\n\n

ex:
\u4f7f\u7528icmp-echo\u76e3\u6e2c10.1.3.99
(config)# ip sla 11
(config-ip-sla)# icmp-echo 10.1.3.99 source-ip 10.1.1.9
(config-ip-sla)# frequency 60
!
(config)# ip sla schedule 11 start-time now life forever<\/p>\n\n\n\n


# show ip sla configuration<\/strong>
IP SLAs Infrastructure Engine-II
Entry number: 11 \/\/\u904b\u4f5c\u5143\u4ee3\u78bc\u70ba11
Owner:
Tag:
Type of operation to perform: echo
Target address\/Source address: 10.1.3.99\/10.1.1.9 \/\/\u76e3\u6e2c\u7684\u76ee\u6a19\u4f4d\u7f6e
Type Of Service parameter: 0x0
Request size (ARR data portion): 28
Operation timeout (milliseconds): 5000
Verify data: No
Vrf Name:
Schedule:
\u3000Operation frequency (seconds): 60 (not considered if randomly scheduled)\u3000\/\/\u4f5c\u696d\u983b\u7387\u70ba60sec
\u3000Next Scheduled Start Time: Start Time already passed
\u3000Group Scheduled : FALSE
\u3000Randomly Scheduled : FALSE
\u3000Life (seconds): Forever
\u3000Entry Ageout (seconds): never
\u3000Recurring (Starting Everyday): FALSE
\u3000Status of entry (SNMP RowStatus): Active
Threshold (milliseconds): 5000 (not considered if react RTT is configured)
Distribution Statistics:
\u3000Number of statistic hours kept: 2
\u3000Number of statistic distribution buckets kept: 1
\u3000Statistic distribution interval (milliseconds): 20
History Statistics:
\u3000Number of history Lives kept: 0
\u3000Number of history Buckets kept: 15
\u3000History Filter Type: None
Enhanced History:<\/p>\n\n\n\n

\u986f\u793aip sla\u4f86\u6e90\u6240\u6536\u96c6\u5230\u7684\u8cc7\u8a0a
#show ip sla monitor statistics<\/strong>
Round trip time (RTT) Index 1
Latest RTT: 168 ms
Latest operation start time: *16:10:52.453 UTC Sun Mar 4 2012
Latest operation return code: OK
Number of successes: 13
Number of failures: 1
Operation time to live: Forever <\/p>\n\n\n\n

\u986f\u793aip sla\u56de\u61c9\u5668\u6240\u6536\u96c6\u5230\u7684\u8cc7\u8a0a
# show ip sla monitor responder<\/strong>
IP SLA Monitor Responder is: Enabled
Number of control message received: 15 Number of errors: 1
Recent sources:
\u3000192.168.1.11 [00:38:01.807 UTC Fri Mar 2 2012]
\u3000192.168.1.11 [00:37:01.783 UTC Fri Mar 2 2012]
\u3000192.168.1.11 [00:36:01.791 UTC Fri Mar 2 2012]
\u3000192.168.1.11 [00:35:01.791 UTC Fri Mar 2 2012]
\u3000192.168.1.11 [00:34:01.779 UTC Fri Mar 2 2012]
Recent error sources:
\u3000192.168.1.11 [00:24:01.807 UTC Fri Mar 2 2012] RTT_FAIL
tcpConnect Responder:
\u3000IP Address Port
\u300010.1.1.4 <\/p>\n\n\n\n


# show ip sla statistics 11<\/strong>
IPSLAs Latest Operation Statistics
IPSLA operation id: 11\u3000\u3000\u3000\u3000\u3000\u3000\/\/\u904b\u4f5c\u5143\u4ee3\u78bc\u70ba11
\u3000Latest RTT: 8 milliseconds\u3000\u3000\u3000\/\/\u904b\u4f5c\u5143\u6700\u5f8c\u7684\u56de\u50b3\u6642\u9593
Latest operation start time: *19:58:08.395 UTC Mon Sep 14 2009
Latest operation return code: OK\u3000\u3000\/\/\u904b\u4f5c\u5143\u6700\u5f8c\u7684\u56de\u50b3\u4ee3\u78bc\u70baok
Number of successes: 22\u3000\u3000\u3000\/\/22\u90fd\u6709\u6210\u529f\u5f97\u5230\u56de\u61c9
Number of failures: 0
Operation time to live: Forever<\/p>\n","protected":false},"excerpt":{"rendered":"

IP SLA(IP service-level,IP\u670d\u52d9\u7b49\u7d1a …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[32],"tags":[],"class_list":["post-912","post","type-post","status-publish","format-standard","hentry","category-cisco-network"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=912"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/912\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}