Скачать презентацию Optimizing Net Scaler for Enterprise Applications Dave Hawkins Скачать презентацию Optimizing Net Scaler for Enterprise Applications Dave Hawkins

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Optimizing Net. Scaler for Enterprise Applications Dave Hawkins, TRM May 11, 2010 Optimizing Net. Scaler for Enterprise Applications Dave Hawkins, TRM May 11, 2010

Topics • Generic Optimization Features • Standard Net. Scaler Optimization & Configuration • App. Topics • Generic Optimization Features • Standard Net. Scaler Optimization & Configuration • App. Expert Templates • Specific Application Examples • Troubleshooting Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features Net. Scaler Optimization Features

Net. Scaler Optimization Features • SSL Offload • Content Compression • Content Caching • Net. Scaler Optimization Features • SSL Offload • Content Compression • Content Caching • Connection reuse • Net. Scaler Push • Responder Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – SSL Offload Compression Caching Connection Reuse • Reduce Server Net. Scaler Optimization Features – SSL Offload Compression Caching Connection Reuse • Reduce Server Load • Higher TPS • Central Certificate Management • Central Cipher Management Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Compression SSL Offload Compression Caching Connection Reuse • Faster Net. Scaler Optimization Features – Compression SSL Offload Compression Caching Connection Reuse • Faster response • Fewer bytes on-wire • Better response for lowbandwidth clients • Policy-based rules Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Caching SSL Offload Compression Caching Connection Reuse • Reduce Net. Scaler Optimization Features – Caching SSL Offload Compression Caching Connection Reuse • Reduce server load • Faster response • Policy-based controls Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Connection Reuse SSL Offload Compression Caching Connection Reuse • Net. Scaler Optimization Features – Connection Reuse SSL Offload Compression Caching Connection Reuse • Reduce server load • Faster server response Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Net. Scaler Push • Web 1. 0: Request-Response Request Net. Scaler Optimization Features – Net. Scaler Push • Web 1. 0: Request-Response Request model • Web 2. 0: Request-Response model • Requires long-lived sessions Update with dynamic updates Update Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Net. Scaler Push • Alleviate long-lived Request Response Update Net. Scaler Optimization Features – Net. Scaler Push • Alleviate long-lived Request Response Update Response Request Update Request Response Update Response Request TCP connections between clients & servers • Push single update to multiple clients • *MPP REST based Citrix Confidential - Do Not Distribute

Net. Scaler Optimization Features – Responder GET /etc/db/creditcards. xml Request Response ZZZzzzzzz. . . Net. Scaler Optimization Features – Responder GET /etc/db/creditcards. xml Request Response ZZZzzzzzz. . . • Policy-based configuration • Reduce server load • Reset, Redirect, or Respond-With Citrix Confidential - Do Not Distribute

Standard Configuration and Optimization Performance Standard Configuration and Optimization Performance

Standard HTTP Load Balancing “Sharepoint” SSL+HTTP Load Balancing Configuration Doc. Size Baseline 987 k. Standard HTTP Load Balancing “Sharepoint” SSL+HTTP Load Balancing Configuration Doc. Size Baseline 987 k. B. doc 16. 34 s 5. 29 MB. doc 89. 86 s 1. 75 MB. pdf 28. 62 s 5. 10 MB. pdf 80. 28 s SSL Handling on Servers *Times based on 1. 5 mbps connection with 0. 7% packet loss. Source: Citrix Application Optimization for MOSS 2007 Performance Assessment - http: //support. citrix. com/article/ctx 120235 Citrix Confidential - Do Not Distribute

SSL-Offloaded HTTP Load Balancing SSL-Offload + Compression Load Balancing Configuration Doc. Size Baseline SSL SSL-Offloaded HTTP Load Balancing SSL-Offload + Compression Load Balancing Configuration Doc. Size Baseline SSL Offload + Compress 987 k. B. doc 16. 34 s 12. 29 s SSL Handling on Net. Scaler Static/Dynamic content 5. 29 MB. doc 89. 86 s 56. 20 s compressed 1. 75 MB. pdf 28. 62 s 18. 87 s 5. 10 MB. pdf 80. 28 s 70. 36 s Servers configured as plaintext HTTP Source: Citrix Application Optimization for MOSS 2007 Performance Assessment - http: //support. citrix. com/article/ctx 120235 Citrix Confidential - Do Not Distribute

SSL-Offload + Cmp +Caching HTTP Load Balancing SSL offload + Compression + Integrated Caching. SSL-Offload + Cmp +Caching HTTP Load Balancing SSL offload + Compression + Integrated Caching. Load Balancing Configuration Doc. Size Baseline SSL Offload + Compress Caching 987 k. B. doc 16. 34 s 12. 29 s 8. 62 s 5. 29 MB. doc 89. 86 s 56. 20 s 42. 78 s 1. 75 MB. pdf 28. 62 s 18. 87 s 14. 51 s 5. 10 MB. pdf 80. 28 s 70. 36 s 60 s SSL Handling on Net. Scaler + Compression with Integrated Caching *Cache object max. limit set to 10 MB Source: Citrix Application Optimization for MOSS 2007 Performance Assessment - http: //support. citrix. com/article/ctx 120235 Citrix Confidential - Do Not Distribute

Sharepoint Optimizations • Specific doc types require different handling. aspx, . doc, . css, Sharepoint Optimizations • Specific doc types require different handling. aspx, . doc, . css, etc. • Separate caching policies and content-groups for doc types • Configured max. object size per content-group: Scripts, Images: 4 MB Documents (. doc, . pdf): 10 MB • Documents have specific expiry times: 360 Ksec HTTP. REQ. METHOD. EQ(GET) && HTTP. REQ. URL. PATH. EQ("/_layouts/download. aspx") HTTP. REQ. METHOD. CONTAINS("LOCK") Citrix Confidential - Do Not Distribute

Sharepoint Optimizations • Compression policy – all requests for items not already compressed (except Sharepoint Optimizations • Compression policy – all requests for items not already compressed (except image services). gz, . tgz • Configure servers for “Load Balanced URL” • Responder module redirect HTTP to SSL Citrix Confidential - Do Not Distribute

Advanced Optimization Advanced Optimization

App. Expert Templates Citrix Confidential - Do Not Distribute App. Expert Templates Citrix Confidential - Do Not Distribute

App. Expert Templates • Built around standard configuration • Time-tested for stability • Performance-tested App. Expert Templates • Built around standard configuration • Time-tested for stability • Performance-tested for maximum benefit • Rapid deployment with minimal configuration • Free! Citrix Confidential - Do Not Distribute

Example: Sharepoint App. Expert Template • Detailed deployment guide • 10 Application Services templates Example: Sharepoint App. Expert Template • Detailed deployment guide • 10 Application Services templates • Includes compression, caching, responder policies • Includes caching selectors for parameterized caching • Available at http: //community. citrix. com/display/ns/Microsoft+Sharepoint+App. Expert+Template Citrix Confidential - Do Not Distribute

Advanced Optimization: Caching • Use Content-Group settings to optimize for min/max content size, or Advanced Optimization: Caching • Use Content-Group settings to optimize for min/max content size, or overall number of hits. • Use parameterization to optimize cache retrieval or invalidation. • Prioritize NO_CACHE policies before CACHE policies • Use multiple Content-Groups to allow for specific cache-clearing Citrix Confidential - Do Not Distribute

Advanced Optimization: Compression • Select Optimal compression level (gzip level 5 -6 for best Advanced Optimization: Compression • Select Optimal compression level (gzip level 5 -6 for best size / performance) Citrix Confidential - Do Not Distribute

Advanced Optimization: SSL Offload • In end-to-end, use low-level ciphers in NS-to-service communication • Advanced Optimization: SSL Offload • In end-to-end, use low-level ciphers in NS-to-service communication • Cipher selection depends on clientneeds, and security considerations. • Can be combined with IC and Compression for maximum impact Citrix Confidential - Do Not Distribute

Advanced Optimization: Network Optimizations • SACK and Window Scaling ues sp Re on • Advanced Optimization: Network Optimizations • SACK and Window Scaling ues sp Re on • PMTUD – Path MTU Discovery Req • TCP Buffering for slow clients t • Nagle’s Algorithm for small packets se • USIP (Use Source-IP) & DSR when available =~ 50% Network Savings Request Citrix Confidential - Do Not Distribute

Advanced Troubleshooting Advanced Troubleshooting

NSCONMSG • Primary tool for detailed analysis • Net. Scaler logs all statistics every NSCONMSG • Primary tool for detailed analysis • Net. Scaler logs all statistics every 7 seconds • Uses logs from /var/nslog • Logfiles are gzipped (use zcat) • Some stats now available via GUI (System > Diagnostics) Citrix Confidential - Do Not Distribute

NSCONMSG – General Format nsconmsg –K <file> -s <options> -g <grep> -d <operation> (zcat NSCONMSG – General Format nsconmsg –K -s -g -d (zcat | nsconmsg –K pipe – or gunzip them) -s options include: -d options include: • Start date or time • Maximum values • Rate counts • Add timestamps • Debugging levels • *csv format! • Stats – view raw statistics • Memstats – view memory-only stastics • Event – view system events (svc failures) • Auditedcmd – view cmds run on the system • Devcr – view device creation/removal Format: -s option=value ie, -s disptime=1 Example: -d memstats Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Scenario: Testing reports problems with SSL VIP earlier. What happened? Displaying NSCONMSG – Examples Scenario: Testing reports problems with SSL VIP earlier. What happened? Displaying current counter value information Net. Scaler V 20 Performance Data Net. Scaler NS 9. 1: Build 101. 5. cl, Date: Jan 19 2010, 07: 12: 11 nsconmsg –K newnslog –g ssl_err –d stats Current logfile Grep for ‘ssl_err’ View initial statistics reltime: mili second between two records Fri Feb 5 10: 31 2010 Index reltime counter-value symbol-name&device-no 0 0 0 ssl_err_ssl 3_badversion 1 0 0 ssl_err_cavium_random_seed_failed 2 0 0 ssl_err_ubsec_card_reset 3 0 0 ssl_err_ssl 3_send_server_hello 4 0 0 ssl_err_ssl 3_send_server_certificate 5 0 0 ssl_err_ssl 3_send_server_key_exchange 6 0 0 ssl_err_ssl 3_send_certificate_request 7 0 0 ssl_err_ssl 3_send_server_done 8 0 0 ssl_err_ssl 3_check_client_hello_A_OR_get_client_cert 9 0 0 ssl_err_ssl 3_get_client_certificate 10 0 0 ssl_err_ssl 3_get_client_key_exchange_card 11 0 0 ssl_err_ssl 3_check_client_hello_B_OR_get_client_key. Ex 12 0 0 ssl_err_ssl 3_get_client_key_exchange 13 0 0 ssl_err_ssl 3_get_change_cipher_spec 14 0 0 ssl_err_ssl 3_get_cert_verify 15 0 0 ssl_err_ssl 3_get_finished 16 0 0 ssl_err_ssl 3_setup_key_block Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Scenario: Testing reports problems with SSL VIP earlier. What happened? View NSCONMSG – Examples Scenario: Testing reports problems with SSL VIP earlier. What happened? View timestamps nsconmsg –K newnslog –s disptime=1 –g ssl_err_ssl 3 –d current View historic statistics Index rtime totalcount-val 108 0 78 109 14000 11 110 7000 79 111 0 79 112 28000 81 113 0 81 114 7000 83 115 0 83 116 14000 93 117 0 93 118 7000 96 119 0 96 120 112000 97 121 0 97 122 7000 98 123 0 98 124 7000 104 125 0 104 126 70025 105 127 0 105 128 7000 107 129 0 107 delta rate/sec 1 2 1 1 2 2 10 10 3 3 1 1 6 6 1 1 2 2 0 0 0 0 1 1 0 0 0 symbol-name&device-no&time ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 01: 06 ssl_error_cvm_bad_record Fri Feb 5 12: 01: 20 2010 ssl_err_ssl 3_badversion Fri Feb 5 12: 01: 27 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 01: 27 ssl_err_ssl 3_badversion Fri Feb 5 12: 01: 55 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 01: 55 ssl_err_ssl 3_badversion Fri Feb 5 12: 02 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 02 ssl_err_ssl 3_badversion Fri Feb 5 12: 02: 16 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 02: 16 ssl_err_ssl 3_badversion Fri Feb 5 12: 02: 23 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 02: 23 ssl_err_ssl 3_badversion Fri Feb 5 12: 04: 15 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 04: 15 ssl_err_ssl 3_badversion Fri Feb 5 12: 04: 22 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 04: 22 ssl_err_ssl 3_badversion Fri Feb 5 12: 04: 29 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 04: 29 ssl_err_ssl 3_badversion Fri Feb 5 12: 05: 45 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 05: 45 ssl_err_ssl 3_badversion Fri Feb 5 12: 05: 52 2010 ssl_err_ssl 3_get_client_hello Fri Feb 5 12: 05: 52 Citrix Confidential - Do Not Distribute 2010 2010 2010

Screen clipping taken: 3/24/2010, 1: 59 PM NSCONMSG – Examples Scenario: Testing reports Screen clipping taken: 3/24/2010, 1: 59 PM NSCONMSG – Examples Scenario: Testing reports problems with SSL VIP earlier. What happened? Output to csv nsconmsg –K newnslog -s csv=1 –g ssl_err_ssl 3_badversion –d current > sslv 3. csv Grep specific counter Write to file 25 ssl_err_ssl 3_badversion 20 15 ssl_err_ssl 3_badversion 10 5 0 'ssl_err_ssl 3_badversion' Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Scenario: Intermittent dropped sessions – what’s going on? nsconmsg –K newnslog NSCONMSG – Examples Scenario: Intermittent dropped sessions – what’s going on? nsconmsg –K newnslog –g tcp_err –d current reltime: mili second between two records Fri Feb 5 Index rtime totalcount-val delta rate/sec 1256 0 9 1 0 1257 0 26 1 0 1258 0 60 4 0 1259 0 140 1 0 1260 0 112 1 0 1261 0 448 18 2 1262 0 556 19 2 1263 0 785 22 3 1264 0 102 33 4 1265 0 83 1 0 1266 0 772 21 3 1267 0 4 1 0 1268 0 776 22 3 10: 55: 31 2010 symbol-name&device-no tcp_err_rst_pass_pnd_data tcp_err_rst_pass_pnd_get tcp_err_rst_pass_srvr tcp_err_oo_range_ack tcp_err_srvr_retransmit tcp_err_clnt_retransmit tcp_err_full_retransmit tcp_err_clnt_out_of_order tcp_err_srvr_out_of_order tcp_err_orphan_ack_keepalive tcp_err_hole_client tcp_err_hole_server tcp_err_hole_detected Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Scenario: Intermittent dropped sessions – what’s going on? nsconmsg –K newnslog NSCONMSG – Examples Scenario: Intermittent dropped sessions – what’s going on? nsconmsg –K newnslog –g tcp_err_ooo –d current reltime: mili second between two records Fri Feb 5 13: 43: 54 2010 Index rtime totalcount-val delta rate/sec symbol-name&device-no 0 11340678 7 7 1 tcp_err_ooo_maxpkt 1 2485190 10 3 0 tcp_err_ooo_maxpkt 2 7001 12 2 0 tcp_err_ooo_maxpkt 3 1470172 13 1 0 tcp_err_ooo_maxpkt 4 252023 15 2 0 tcp_err_ooo_maxpkt 5 392017 24 9 1 tcp_err_ooo_maxpkt 6 357024 26 2 0 tcp_err_ooo_maxpkt 7 252036 33 7 1 tcp_err_ooo_maxpkt 8 539040 35 2 0 tcp_err_ooo_maxpkt 9 1148108 38 3 0 tcp_err_ooo_maxpkt 10 780611 39 1 0 tcp_err_ooo_maxpkt 11 504035 55 16 2 tcp_err_ooo_maxpkt 12 28000 56 1 0 tcp_err_ooo_maxpkt 13 305818 57 1 0 tcp_err_ooo_maxpkt 14 589541 62 5 0 tcp_err_ooo_maxpkt 15 49021 69 7 0 tcp_err_ooo_maxpkt Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Checking utilization and memory use in detail nsconmsg –K newnslog –d NSCONMSG – Examples Checking utilization and memory use in detail nsconmsg –K newnslog –d memstats 4 MB_PAGE_CONN_POOL_MEMBERS: Displaying current memory stats information Name -----------------------------------------------------------Cur. Allocd Cur. Free Pg. Allocd Pg. Alloc. Failed -----------------------------------------Total. MEM: 2688046946 Allocated: 258642274(9. 62%) Actual. In. Use: 192482290(7. 16%) Free: 2429404672 NSB 16380 15867 7 (1. 1%) 0 PCB MEMPOOL 6553 Max. Allowd 6552 Cur. Alloc 1 (0. 2%) Err. Lmt. Failed Err. Alloc. Failed Err. Free. Failed 0 NATPCB -----------------------------------------------------------21845 1 (0. 2%) 0 B 64 MEM_CPROXY 65536 134217728 16777216(0. 62%) 65532 1 (0. 2%) 0 0 0 B 128 MEM_PAC Dynamic 0 32768(0. 00%) 0 0 (0. 0%) 0 0 0 B 256 MEM_RESPONDER_CONFIG 0 Dynamic 0 8256(0. 00%) 0 (0. 0%) 0 0 DNSsmall MEM_RW_CONFIG Dynamic 0 330606(0. 01%) 0 0 (0. 0%) 0 0 0 DNSfull MEM_SSL Dynamic 0 5509248(0. 20%) 0 0 (0. 0%) 0 0 0 SPCB MEM_CACONF Dynamic 0 00(0. 00%) 0 (0. 0%) 0 0 0 SSL_SESS MEM_PANNER Dynamic 0 00(0. 00%) 0 (0. 0%) 0 0 0 MEM_PANSTR Dynamic 434(0. 00%) 0 0 0 Other_CONN_POOL_MEMBERS: MEM_PI_RUNTIME Dynamic 0(0. 00%) 0 0 0 Cache. Buf MEM_HINFOBUF Dynamic 1(0. 0%) 0 0(0. 00%) 0 0 0 MEM_PIRL Dynamic 0(0. 00%) 0 0 0 4 MB_PAGE_MISC_POOL_MEMBERS: MEM_PATSET Dynamic 177994(0. 01%) 0 0 0 Name MEM_ASYNC Cur. Allocd Dynamic Cur. Free 0(0. 00%) Pg. Allocd 0 Pg. Alloc. Failed 0 0 -----------------------------------------MEM_WU_MEM Dynamic 5594104(0. 21%) 0 0 0 SINFO MEM_APPSECURE 2048 Dynamic 29886297(1. 11%) 2025 1 (0. 2%) 0 00 0 DEVNAME MEM_PI_CONFIG 174762 Dynamic 174422 63280(0. 00%) 1 (0. 2%) 0 00 0 MEM_AUDITLOG 16384000 333772(0. 01%) 0 0 0 4 MB_PAGE_SSL_POOL_MEMBERS: MEM_POLENG 100663296 106000(0. 00%) 0 0 0 Name MEM_GSLB Cur. Allocd 33554432 Cur. Free 0(0. 00%) Citrix Confidential - Do Not Distribute 0 Pg. Allocd 0 Pg. Alloc. Failed 0 -----------------------------------------MEM_DNS 5242880 0(0. 00%) 0 0 0

NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 –d distrconmsg VIP(1. 1: 636: UP: WEIGHTEDRR): Hits(2506) Pers(OFF) Pers. Hits(0: 0%) Err(0: 0%) Ovrride(0: 0%) S(1. 100: 636: UP) Hits(835: 33%) PHits(0: 0%) Lb. Hits(835: 100%) S(1. 101: 636: UP) Hits(836: 33%) PHits(0: 0%) Lb. Hits(836: 100%) S(1. 102: 636: UP) Hits(835: 33%) PHits(0: 0%) Lb. Hits(835: 100%) VIP(2. 2: 389: UP: WEIGHTEDRR): Hits(6) Pers(OFF) Pers. Hits(0: 0%) Err(0: 0%) Ovrride(0: 0%) S(2. 2. 2. 100: 389: UP) Hits(2: 33%) PHits(0: 0%) Lb. Hits(2: 100%) S(2. 2. 2. 101: 389: UP) Hits(2: 33%) PHits(0: 0%) Lb. Hits(2: 100%) S(2. 2. 2. 102: 389: UP) Hits(2: 33%) PHits(0: 0%) Lb. Hits(2: 100%) VIP(3. 3: 123: UP: WEIGHTEDRR): Hits(180) Pers(SOURCEIP) Pers. Hits(180: 100%) Err(0: 0%) Ovrride(0: 0%) S(3. 3. 3. 100: 123: UP) Hits(42: 23%) PHits(42: 100%) Lb. Hits(0: 0%) S(3. 3. 3. 101: 123: UP) Hits(49: 27%) PHits(49: 100%) Lb. Hits(0: 0%) S(3. 3. 3. 102: 123: UP) Hits(46: 25%) PHits(46: 100%) Lb. Hits(0: 0%) S(3. 3. 3. 103: 123: UP) Hits(43: 23%) PHits(43: 100%) Lb. Hits(0: 0%) VIP(4. 4: 53: UP: WEIGHTEDRR): Hits(9410) Pers(OFF) Pers. Hits(0: 0%) Err(0: 0%) Ovrride(0: 0%) S(4. 4. 4. 100: 53: UP) Hits(4705: 50%) PHits(0: 0%) Lb. Hits(4705: 100%) S(4. 4. 4. 101: 53: UP) Hits(4705: 50%) PHits(0: 0%) Lb. Hits(4705: 100%) VIP(127. 0. 0. 2: 53: DOWN: WEIGHTEDRR): Hits(0) Pers(OFF) Pers. Hits(0: 0%) Err(0: 0%) Ovrride(0: 0%) ---------------------------CPU: 2. 2% MEM: 213817642 UP: 19. 13: 41: 43 since: Sat Mar 20 01: 03: 59 2010 Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 –d oldconmsg current time is Thu Apr 8 14: 45: 28 2010 ---------------------------NATSession : Free(19644)A(21845)In. Use(2201) NATSession: Cur(Tcp[194] Udp[2007] Icmp[0] Other[0]) NATSession: Op/s(Tcp[3] Udp[436] Icmp[1] Other[0]) Session: A: 9187 F: 4604 IUse: 4583 SEs: SIP: 4582 C: 0 SSL: 0 Svr: 1 User. Id: 0 SIPDIP: 0 SO: 0 SSF: Conn (Srvr 0 Clnt 1) U: 0 CM: Conn (Srvr 0 Clnt 1) Sessions PCB 0 NATPCB 0 Z(SIP[68307], C[0], SSL[0] Server[22] SIPDIP[0] SO[0]) Mon: Probes: 24303862, Failed: 3757181 Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con. Lb=3 –d oldconmsg VIP(3. 3: 123: UP: WEIGHTEDRR): Hits(6108723, 4/sec) Mbps(0. 01) Pers(SOURCEIP) Err(0) LConn_Best. Idx: 1024 Pkt(13/sec, 48 bytes) act. Svc(4) Def. Pol(NONE) override(0) Conn: Clt(907, 4/sec, OE[907]) Svr(907) S(3. 3. 3. 100: 123: UP) Hits(1513624, 0/sec, P[1512683, 0/sec]) ATr(210: 210) Mbps(0. 00) BWlmt(0 kbits) Rsp. Time(0. 00 ms) Load(0) LConn_Idx: (C: 0; V: 0, I: 1) Other: Pkt(1/sec, 48 bytes) Wt(1) Wt(Reverse Polarity)(10000) Conn: CSvr(210, 0/sec) MCSvr(249) OE(210) RP(0) SQ(0) Monitor_ping-default_of_serv 1 -123(10. 153. 40. 27: 123) Resp Time : 461 micros S(3. 3. 3. 101: 123: UP) Hits(1512236, 1/sec, P[1511295, 1/sec]) ATr(237: 237) Mbps(0. 00) BWlmt(0 kbits) Rsp. Time(0. 00 ms) Load(0) LConn_Idx: (C: 0; V: 0, I: 1) Other: Pkt(4/sec, 48 bytes) Wt(1) Wt(Reverse Polarity)(10000) Conn: CSvr(237, 1/sec) MCSvr(269) OE(237) RP(0) SQ(0) Monitor_ping-default_of_serv 2 -123(10. 153. 40. 26: 123) Resp Time : 578 micros S(3. 3. 3. 102: 123: UP) Hits(1544960, 0/sec, P[1544019, 0/sec]) ATr(243: 243) Mbps(0. 00) BWlmt(0 kbits) Rsp. Time(0. 00 ms) Load(0) LConn_Idx: (C: 0; V: 0, I: 1) Other: Pkt(2/sec, 48 bytes) Wt(1) Wt(Reverse Polarity)(10000) Conn: CSvr(243, 0/sec) MCSvr(237) OE(243) RP(0) SQ(0) Monitor_ping-default_of_serv 3 -123(10. 153. 38. 27: 123) Resp Time : 553 micros S(3. 3. 3. 103: 123: UP) Hits(1537903, 1/sec, P[1536962, 1/sec]) ATr(217: 217) Mbps(0. 00) BWlmt(0 kbits) Rsp. Time(0. 00 ms) Load(0) LConn_Idx: (C: 0; V: 0, I: 1) Other: Pkt(5/sec, 48 bytes) Wt(1) Wt(Reverse Polarity)(10000) Conn: CSvr(217, 1/sec) MCSvr(260) OE(217) RP(0) SQ(0) Monitor_ping-default_of_serv 4 -123(10. 153. 38. 26: 123) Resp Time : 543 micros Citrix Confidential - Do Not Distribute

NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con? ? NSCONMSG – Examples Checking for distribution and performance nsconmsg –K newnslog –s Con? ? ? =3 –d oldconmsg Con. Debug Con. Lb Con. Mon Con. MEM Con. CSW Con. SSL Con. CMP Con. IC - Debugging - Load Balancing - Monitoring Probes - Memory Management - Content Switching - SSL Offload - Compression - Integrated Caching Citrix Confidential - Do Not Distribute

nstrace. sh • Nstrace supports filtering in 9. x nstrace -size 0 -filter nstrace. sh • Nstrace supports filtering in 9. x nstrace -size 0 -filter "SOURCEIP == 10. 1. 2. 3 && SOURCEPORT == 8080" -link ENABLE Packet-size limit Filters in standard NS policy format Filter on: SOURCEIP SOURCEPORT DESTIP DESTPORT SVCNAME VSVRNAME STATE Booleans supported! Automatically capture linked client/server connections http: //support. citrix. com/article/ctx 121166 Citrix Confidential - Do Not Distribute

Wireshark Just one missing frame… …can cause big headaches. Citrix Confidential - Do Not Wireshark Just one missing frame… …can cause big headaches. Citrix Confidential - Do Not Distribute

Wireshark • nstrace files now officially supported in Wireshark! • Available in latest dev Wireshark • nstrace files now officially supported in Wireshark! • Available in latest dev release (not Stable release) – 1. 3. 4 • Includes ns. pdevno and ns. l_pdevno filtering Citrix Confidential - Do Not Distribute

Before you leave… • Recommended related breakout sessions: • SYN 410 D – Implementing Before you leave… • Recommended related breakout sessions: • SYN 410 D – Implementing Net. Scaler to Optimize Microsoft Exchange hands-on (Wed. 12 th @ 2 PM) • Continue your learning – visit www. citrix. com/Synergy. EDU for more information • Session surveys are available online at www. citrixsummit. com starting Thursday, May 13 • Provide your feedback and pick up your complimentary Starbucks or i. Tunes giftcard at the registration desk • Download presentations starting Friday, May 21, from your My Schedule Tool located in your My Synergy Microsite event account

Questions? Comments? Questions? Comments?