APV¤£¶È¬O¤@¥xServer Load Balance¥~¡A¤]¬O¤@¥xLink Load Balance¡A
¥i¥H¶i¦æInbound»POutboundªº½u¸ô­t¸ü¥­¿Å½Õ°t¡C

¦bOutboundªº³¡¤À¡A
°£¤F¥i³z¹Lpriority¨Ó°Ï¤À½u¸ôÀu¥ýÅv¥~¡A
¤]¥i¥H¦b¬Û¦Ppriorityªº±¡ªp¤U¡A¨Ì¤£¦Pªºweight(Åv­«)¨Ó½Õ°t½u¸ô¬y¶q¤ñ¨Ò¡A
§ó¥i¥H¨Ì¤£¦Pªº¨Ó·½/¥Øªº¡A³]©weroute¨Ó«ü©w¸ô¥Ñ¡C
¬O¤@¥x¦h¥\¯à«¬ªº­t¸ü¥­¿Å³]³Æ¡C


¥H¤U¬°ÂùWANªº¥Ü½dÀô¹Ò¡A§Ú­Ì³v¤@¨Ó³]©wOutbound LLB¡C

°t¸mIP¤ÎDefault Route
§Ú­Ìµ¹Port1°t¤W¤º³¡IP 10.10.1.104/24
Port3°t¤W½u¸ô1ªºIP 172.17.1.1/16
Port4°t¤W½u¸ô2ªºIP 172.18.1.1/16

ip address port1 10.10.1.104 255.255.255.0
ip address port3 172.17.1.1 255.255.0.0
ip address port4 172.17.1.1 255.255.0.0
ip route default 172.17.0.254

°t¸mÃì¸ô
³]©w¤¶­±¦bADVANCED LOAD BALANCE \ Link Load Balance \ OutBound Settings¤¤¶i¦æ¡C
²Ä¤@¨B¥ý¤À§O¹ï¨â­ÓWAN°t¸m¨ä¹ïÀ³¤§Ãì¸ô¡C








³z¹Licmp¹ïÃì¸ô°µhealth check¡A¦b­n³]©wcheckªºLink Route¤W³sÂI·Æ¹«¨â¤U¡C



µM«á«ö¤U ADD ·s¼W¸ÓLinkªºcheck¡C








±Ò¥Îhealth check»P³]©w½u¸ô½ü´`¤èªk


Weighted Round Robinªº Weighted ¬O«üÅv­«¡A³o¼Ë§Ú­Ì­è¤~¦b½u¸ô¤W°t¸mªºÅv­« (100/50) ´N·|®³¨Ó°Ñ¦Ò¡C


¬°¯S®í»Ý¨D³]©wERoute
¯S®í¤º¹ï¥~ªº»Ý¨D¸ô¥Ñ¡A§Ú­Ì¥i³z¹LERoute¨Ó³]©w¡A
³]©w­¶­±¦bSYSTEM CONFIGURATION / Basic Networking / Routing / RTS/IPFLOW/ERoutes¤¤¡C

³]°²¤º³¡IP 10.10.1.12¬OÁ`¦r½ú¤H¤h¡A§Ú­Ì­n°w¹ï¥L´£¨Ñ¸ûí©wªº¹ï¥~½u¸ô(¨Ò¦pISP2)¡A
¨º»ò§Ú­Ì¥i¥H°w¹ï¨Ó·½10.10.1.12¡A¥Øªº0.0.0.0/0¡AÅý¥L©¹ISP2°e¡C







¦pªG§Ú­Ì·Q°w¹ï¸û­«­nªº¥~³¡ºô¬q163.12.0.0/16±Ä¥Î¸ûí©wªº¹ï¥~½u¸ô(¨Ò¦pISP2)¡A
¨º»ò§Ú­Ì¥i¥H°w¹ï¨Ó·½0.0.0.0/0¡A¥Øªº163.12.0.0/16¡AÅý¥L©¹ISP2°e¡C





¦pªG§Ú­Ì¤£§Æ±æ¥H½u¸ôÅv­«¨Ó°µ¤À°t¡A¦Ó¬O¤@«ß©¹ISP1°e¡A
¨º§Ú­Ì¥i¥H³]¤@­ÓÀu¥ýÅvµy§C¤@ÂIISP1ªºdefault eroute¡C





¦b³]©weroute®É¡A­nª`·N¥H¤U´XÂI¡C

1. eroute¦WºÙ¤£¥i­«ÂСC
   
2. ºô¬q­«Å|®É¡A­n¥H¤£¦P¤§Àu¥ýÅv¿ù¶}¡A§_«h·|¥X²{overlapªº¿ù»~¦ÓµLªk¼g¤J¡C
   
3. IPºô¬q»P¤lºô¸ô¾B¸n­n¥¿½T¡A§_«h·|«Ø¥ß¥¢±Ñ¡C
   
4. erouteªºpriority­È¡A­n³]©w¦b1001¡ã1999¶¡¡A1999³Ì°ª¡C
   
5. link routeªºpriority¹w³]­È¬O2¡Aeroute¤§©Ò¥H¦³®ÄªG¡A¬O¦]¬°erouteªºpriority­È»·¤j©ólink route¡C
   APV¦UÃþ¸ô¥Ñ¹w³]priority¦Cªí¦p¤U¡G
   

³]©w¤º¹ï¥~ªºNAT
§Ú­Ì­n¤À§O¹ï¤º³¡client³z¹L¤£¦P½u¸ô¥X¥h°µ¦U¦ÛªºNATÂà´«¡C
NATªº³]©w­n¦bSYSTEM CONFIGURATION / NAT / NAT¤¤¨Ó¶i¦æ¡C








¨ä¥¦
±Ò¥Îipflow¡A¥i¥HÅý¤º³¡¹ï¥~¦P¤@flow¡A«O«ù¦P¤@½u¸ô¥~¥X¡C
±Ò¥Îrts¡A¥i¥HÅý¥~³¡ªA°È¦^¶Ç®É¡A±Ä¥Î»P­ìµo°_ªA°È¬Û¦P¤§½u¸ô¡C

³o¨â¶µ»Ý¦bSYSTEM CONFIGURATION / Basic Networking / Routing / RTS/IPFLOW/ERoutes ¤¤¶i¦æ³]©w¡C



ClientºÝ³]©w

IP 10.10.1.XX
Mask 255.255.255.0
GW 10.10.1.104

´ú¸Õ
¥i¥Îtracert¶i¦æ¸ô¥Ñ°lÂÜ´ú¸Õ¡C

¤@¯ëuser tracert 8.8.8.8»P163.12.0.1µ²ªG¦p¤U¡C

¥iµo²{¤@¯ëºô¬q¨«172.17.0.254¥~¥X¡F
¦Ó163.12.0.1«h¨«172.18.0.254¥~¥X¡A²Å¦X§Ú­Ì³W¹º¡C

Á`¦r½ú10.10.1.2 tracert 8.8.8.8»P163.12.0.1µ²ªG¦p¤U¡C

¥Ñ©ó§Ú­Ì³W¹º¤F³Ì°ªÀu¥ýÅvµ¹10.10.1.12¨«172.18.0.254¹ï¥~¡A
©Ò¥H¤£½×­þ­ÓIP¬Ò¥H172.18.0.254¥~¥X¡A²Å¦X§Ú­Ì³W¹º¡C



³z¹LCLI«ü¥O¨Ó³]©wOutbound LLB

³]©wLink Route
llb link route "ISP1" 172.17.0.254 100
llb link route "ISP2" 172.18.0.254 50
llb link health checker icmp "ISP1" "172.17.0.254"
llb link health checker icmp "ISP2" "172.18.0.254"
llb link health on
llb method outbound wrr

³]©wERout
ip eroute "er1" 1600 10.10.1.12 255.255.255.255 0 0.0.0.0 0.0.0.0 0 any 172.18.0.254 1
ip eroute "er2" 1550 0.0.0.0 0.0.0.0 0 163.12.0.0 255.255.0.0 0 any 172.18.0.254 1
ip eroute "er3" 1510 0.0.0.0 0.0.0.0 0 0.0.0.0 0.0.0.0 0 any 172.18.0.254 1

³]©wNAT
nat port "172.17.1.1" 10.10.1.0 255.255.255.0 60 172.17.0.254
nat port "172.18.1.1" 10.10.1.0 255.255.255.0 60 172.18.0.254

¨ä¥¦
ip ipflow on
ip rts on

¤W¤å¤¤ªºÃì¸ô°t¸m³]©w¦³¨Ç¿ù»~¡I


³oùتºSource IP¨Ã¤£¬O«ü¤º³¡ºô¸ôIP¡A
¤]¤£¬O«ü·|³z¹L³o±ø½u¸ô³s¥~ªºIPºô¬q¡C

³o­ÓÄæ¦ì¦b­ì¼t¤â¥U¤¤¬O¼ghc_srcip¡A
·N«ä¬O«ü¥i¥Î¨Ó°µ½u¸ôhealth checkªº¦Pºô¬q½u¸ôIP¡A
¶ñ0.0.0.0¬O¤£¹ïªº¡C

³o­Óhc_srcip³Ìª½±µ¡A¤]³Ì¾A¦Xªº¦ÛµM¬O°t¸m¦bAPV¤Wªº½u¸ôIP¡C
¥Ñ½u¸ôIP¨Ó°»´ú¸Ó½u¸ôªºDefault Gateway°µHealth check¬O¦A¾A¦X¤£¹Lªº¡C

¥H¤W¤å½d¨Ò¨Ó»¡¡AÀ³¸Ó¬O172.17.1.1¡C