æåã® XNUMX ã€ã®èšäºã§ã¯ãèªååã®åé¡ãæèµ·ãããã®ãã¬ãŒã ã¯ãŒã¯ãæŠèª¬ããŸãããXNUMX çªç®ã®èšäºã§ã¯ããµãŒãã¹ã®æ§æãèªååããããã®æåã®ã¢ãããŒããšããŠãããã¯ãŒã¯ä»®æ³åã«æ»ããŸããã
次ã«ãç©çãããã¯ãŒã¯ã®å³ãæããŸãã
ããŒã¿ã»ã³ã¿ãŒ ãããã¯ãŒã¯ã®ã»ããã¢ããã«æ
£ããŠããªãå Žåã¯ã次ããå§ããããšã匷ããå§ãããŸãã
ãã¹ãŠã®åé¡:
-
0.ADSMã ããŒããŒãã äŒç» -
1.ADSMã ããŒã XNUMX (ãŒã以é)ã ãããã¯ãŒã¯ä»®æ³å -
2.ADSMã ããŒãXNUMXã ãããã¯ãŒã¯èšèš
ãã®ã·ãªãŒãºã§èª¬æããå®è·µæ¹æ³ã¯ãããããã¿ã€ããããããèŠæš¡ãããŸããŸãªãã³ããŒã®ãããã¯ãŒã¯ã«é©çšã§ããå¿
èŠããããŸã (ããã§ãªãå ŽåããããŸã)ã ãã ãããããã®ã¢ãããŒãã®å¿çšäŸãæ®éçã«èª¬æããããšã¯äžå¯èœã§ãã ãããã£ãŠãDC ãããã¯ãŒã¯ã®ææ°ã®ã¢ãŒããã¯ãã£ã«çŠç¹ãåœãŠãŸãã
MPLS L3VPN 㧠DCI ãå®è¡ããŸãã
ãªãŒããŒã¬ã€ ãããã¯ãŒã¯ã¯ããã¹ãããã®ç©çãããã¯ãŒã¯äžã§å®è¡ãããŸã (ããã«ã¯ãOpenStack ã® VXLAN ãã¿ã³ã°ã¹ãã³ ãã¡ããªãã¯ããŸãã¯ãããã¯ãŒã¯ããã®åºæ¬ç㪠IP æ¥ç¶ã®ã¿ãå¿ èŠãšãããã®ä»ã®ãã®ãèããããŸã)ã
ãã®å Žåãåãæ¹æ³ã§æ§æãããæ©åšãå€æ°ãããããèªååã®æ¯èŒçåçŽãªã·ããªãªãåŸãããŸãã
ç空äžã§çç¶ DC ãéžæããŸãã
- ã©ãã§ã XNUMX ã€ã®ãã¶ã€ã³ ããŒãžã§ã³ã
- XNUMX ã€ã®ãã³ããŒã XNUMX ã€ã®ãããã¯ãŒã¯ ãã¬ãŒã³ã圢æããŸãã
- XNUMX ã€ã® DC ã¯ããµã€ã«å ¥ã£ã XNUMX ã€ã®ãšã³ããŠè±ã®ãããªå¥ã® DC ãšäŒŒãŠããŸãã
ããŒãžå 容
- ç©çããããžãŒ
- ã«ãŒãã£ã³ã°
- IPãã©ã³
- ã©ã
- ãŸãšã
- 䟿å©ãªãªã³ã¯é
ããšãã°ããµãŒãã¹ ãããã€ã㌠LAN_DC ãããšã¬ããŒã¿ãŒã®è©°ãŸãã§ã®çåã«é¢ãããã¬ãŒãã³ã° ãããªãäž»å¬ããŠã¿ãŸãããã
倧éœåžã§ã¯ãããéåžžã«äººæ°ããããããå€æ°ã®ç©çãã·ã³ãå¿ èŠã«ãªããŸãã
ãŸããç§ãæããããã¯ãŒã¯ã«ã€ããŠãããã説æããŸãã 次ã«ããããã©ãçšã«ç°¡ç¥åããŸãã
ç©çããããžãŒ
ã©ãã
LAN_DC ã«ã¯ 6 ã€ã® DC ããããŸãã
- ãã·ã¢ (RU):
- ã¢ã¹ã¯ã¯ (MSK)
- ã«ã¶ã³ïŒkzn)
- ã¹ãã€ã³ (SP):
- ãã«ã»ãã (bcn)
- ãã©ã¬ (MLG)
- äžåœ ïŒCN):
- äžæµ· (SHA)
- è¥¿å® (ã§ãã)
DC å (DC å )
ãã¹ãŠã® DC ã«ã¯ãClos ããããžã«åºã¥ããåäžã®å
éšæ¥ç¶ãããã¯ãŒã¯ããããŸãã
Clos ãããã¯ãŒã¯ã¯ã©ã®ãããªçš®é¡ã®ãã®ã§ããªãå¥ã®ãããã¯ãŒã¯ã«ããã®ã
å DC ã«ã¯ãã·ã³ãåãã 10 åã®ã©ãã¯ãããã次ã®ããã«çªå·ãä»ããããŸãã A, B, C ãªã©ãªã©ã
åã©ãã¯ã«ã¯ 30 å°ã®ãã·ã³ããããŸãã 圌ãã¯ç§ãã¡ã«èå³ãæããªãã ããã
ãŸããåã©ãã¯ã«ã¯ãã¹ãŠã®ãã·ã³ãæ¥ç¶ãããã¹ã€ããããããŸã - ãã㯠ããããªãã©ãã¯ã¹ã€ãã - ToR ãããã¯ãClos å·¥å Žã«é¢ããŠèšãã°ãããã次ã®ããã«åŒã³ãŸãã è.
å·¥å Žå
šäœå³ã
ç§ãã¡ã¯åœŒãã«é»è©±ããŸã XXX-èYã©ã XXX - XNUMX æåã®ç¥èª DCãããã³ Y - ã·ãªã¢ã«ãã³ããŒã äŸãã°ã kzn-ãªãŒã11.
ç§ã®èšäºã§ã¯ãLeaf ãš ToR ãšããçšèªã軜èã«å矩èªãšããŠäœ¿çšããããšãèš±å¯ããŸãã ããããããã§ã¯ãªãããšãèŠããŠãããªããã°ãªããŸããã
ToR ã¯ããã·ã³ãæ¥ç¶ãããã©ãã¯ã«èšçœ®ãããã¹ã€ããã§ãã
ãªãŒãã¯ãç©çãããã¯ãŒã¯å ã®ããã€ã¹ã®åœ¹å²ããŸã㯠Cloes ããããžãŒã®èŠ³ç¹ããèŠã第 XNUMX ã¬ãã«ã®ã¹ã€ããã§ãã
ã€ãŸããLeaf != ToR ã§ãã
ããšãã°ãLeaf 㯠EndofRaw ã¹ã€ããã«ãªãå¯èœæ§ããããŸãã
ãã ãããã®èšäºã®æ çµã¿å ã§ã¯ãããããå矩èªãšããŠæ±ããŸãã
å ToR ã¹ã€ããã¯ãXNUMX ã€ã®äžäœã¬ãã«ã®éçŽã¹ã€ããã«é çªã«æ¥ç¶ãããŸãã èæ€ã DC å ã® XNUMX ã€ã®ã©ãã¯ãã¹ãã€ã³ã«å²ãåœãŠãããŸãã åæ§ã«ååãä»ããŸãã XXX-èæ€Y.
åãã©ãã¯ã«ã¯ãMPLS ãæèŒãã DC-2 ã«ãŒã¿ãŒéã®æ¥ç¶çšã®ãããã¯ãŒã¯æ©åšãå«ãŸããŸãã ããããæŠããŠããããã¯åã ToR ã§ãã ã€ãŸããSpine ã¹ã€ããã®èŠ³ç¹ããã¯ãæ¥ç¶ããããã·ã³ãŸã㯠DCI çšã®ã«ãŒã¿ãŒã«ããéåžžã® ToR ã¯éèŠã§ã¯ãããŸããããŸã£ããã®åé²ã§ãã
ãã®ãããªç¹æ®ãª ToR ã¯æ¬¡ã®ããã«åŒã°ããŸãã ãšããžãªãŒãã ç§ãã¡ã¯åœŒãã«é»è©±ããŸã XXX-çžY.
ãã®ããã«ãªããŸãã
äžã®å³ã§ã¯ãå®éã«ãšããžãšãªãŒããåãã¬ãã«ã«é
眮ããŸããã
å°æ¥ã®èªèã容æã«ããããã«ãç§ã¯åŒãç¶ãã¹ãã€ã³ã®äžã«ãšããžãæç»ããŸãããã¹ãã€ã³ã«ã¯ã€ã³ããªãžã§ã³ã¹ããªããéåžžã®ãªãŒããšãšããžãªãŒãã䜿çšããå Žåã«ã¯éãããªãããšã«çæããŠãã ããïŒãã ããããã§ã¯ãã¥ã¢ã³ã¹ããããããããŸããïŒ ããããäžè¬çã«ããã¯çå®ã§ãïŒã
ãšããžãªãŒãã䜿çšããå·¥å Žã®ã¹ããŒã ã
ãªãŒããã¹ãã€ã³ããšããžã®äžäœäžäœãã¢ã³ããŒã¬ã€ ãããã¯ãŒã¯ãŸãã¯ãã¡ã¯ããªãŒã圢æããŸãã
ãã§ã«å®çŸ©ãããããã¯ãŒã¯ ãã¡ã¯ããªã®ã¿ã¹ã¯ (ã¢ã³ããŒã¬ã€ãåç
§)
ããšãã°ãã¢ãžã¥ã©ãŒ ãããã¯ãŒã¯ ããã¯ã¹å
ã®ã¹ã€ããã³ã° ãã¡ã¯ããªãšåãããã«ããããã¯ãŒã¯ããã¡ã¯ããªãšåŒã°ããã®ã¯ãã®ããã§ãã詳现ã«ã€ããŠã¯ã次ã®èšäºãåç
§ããŠãã ããã
äžè¬ã«ããã®ãããªããããžãŒã¯ãã¡ã¯ããªãŒãšåŒã°ããŸããããã¯ããã¡ããªãã¯ã翻蚳ã§ãã¡ããªãã¯ãæå³ããããã§ãã ããã«åæããã®ã¯é£ãã:
å·¥å Žã¯å®å šã«L3ã§ãã VLAN ããããŒããã£ã¹ãããããŸãããLAN_DC ã«ã¯çŽ æŽãããããã°ã©ããŒãããŸãã圌ã㯠L3 ãã©ãã€ã ã§åäœããã¢ããªã±ãŒã·ã§ã³ã®æžãæ¹ãç¥ã£ãŠãããä»®æ³ãã·ã³ã¯ IP ã¢ãã¬ã¹ãä¿æããã©ã€ã ãã€ã°ã¬ãŒã·ã§ã³ãå¿ èŠãšããŸããã
ãããŠããäžåºŠããªãå·¥å ŽãšãªãL3ãå¥ã®å Žæã«ããã®ããšãã質åãžã®çãã§ãã
DCI - ããŒã¿ã»ã³ã¿ãŒçžäºæ¥ç¶ (DC é)
DCI 㯠Edge-Leaf ã䜿çšããŠçµç¹ãããŸããã€ãŸãããããã¯é«ééè·¯ãžã®åºå£ãã€ã³ãã§ãã
ç°¡åã«ããããã«ãDC ã¯çŽæ¥ãªã³ã¯ã«ãã£ãŠçžäºã«æ¥ç¶ãããŠãããšä»®å®ããŸãã
å€éšæ¥ç¶ã¯èæ
®ããé€å€ããŸãããã
ã³ã³ããŒãã³ããåé€ãããã³ã«ããããã¯ãŒã¯ãå€§å¹ ã«ç°¡çŽ åãããŠããããšãèªèããŠããŸãã ãããŠãæœè±¡çãªãããã¯ãŒã¯ãèªååãããšããã¹ãŠãããŸããããŸãããå®éã®ãããã¯ãŒã¯ã§ã¯æŸèæãå¿ èŠã«ãªããŸãã
ããã¯æ¬åœã§ãã ããã§ãããã®ã·ãªãŒãºã®ãã€ã³ãã¯ãæ³åäžã®åé¡ãè±éçã«è§£æ±ºããããšã§ã¯ãªããã¢ãããŒããèããŠåãçµãããšã§ãã
Edge-Leafs ã§ã¯ãã¢ã³ããŒã¬ã€ã¯ VPN ã«é 眮ãããMPLS ããã¯ããŒã³ (åãçŽæ¥ãªã³ã¯) ãä»ããŠéä¿¡ãããŸãã
ãããååŸããæäžäœã®å³ã§ãã
ã«ãŒãã£ã³ã°
DC å
ã®ã«ãŒãã£ã³ã°ã«ã¯ BGP ã䜿çšããŸãã
MPLS ãã©ã³ã¯ OSPF+LDP äžã
DCI ã®å Žåãã€ãŸããã¢ã³ããŒã°ã©ãŠã³ãã§ã®æ¥ç¶ã®çµç¹å - MPLS äžã® BGP L3VPNã
äžè¬çãªã«ãŒãã£ã³ã°ã¹ããŒã
å·¥å Žã«ã¯ OSPF ãŸã㯠ISIS (ãã·ã¢é£éŠã§çŠæ¢ãããŠããã«ãŒãã£ã³ã° ãããã³ã«) ã¯ãããŸããã
ããã¯ãèªåæ€åºãæçãã¹ã®èšç®ã¯è¡ãããããããã³ã«ãè¿é£ãããªã·ãŒã®èšå®ã¯æå (å®éã«ã¯èªåã§ããããã§ã¯èªååã«ã€ããŠè©±ããŠããŸã) ã®ã¿ã§ããããšãæå³ããŸãã
DC å
ã® BGP ã«ãŒãã£ã³ã° ã¹ããŒã
ãªã BGP ãªã®ã?
ãã®ãããã¯ã«ã€ããŠã¯ã
ãããŠãç§ã®èšäºã«ã¯ããã«ç¹åããã»ã¯ã·ã§ã³å
šäœããããŸãã ããªããã©ãã«é£ããŠè¡ããŸãã
ããããããã§ããèŠããã«ããããã¯ãŒã¯ ããã€ã¹ã®æ°ãæ°åã«ãåã¶å€§èŠæš¡ãªããŒã¿ ã»ã³ã¿ãŒã®ãããã¯ãŒã¯ã«é©ãã IGP ã¯ãããŸããã
ããã«ãã©ãã§ã BGP ã䜿çšãããšãè€æ°ã®ç°ãªããããã³ã«ã®ãµããŒããšãããã®éã®åæã«æéãç¡é§ã«ããããšããªããªããŸãã
å®éãç§ãã¡ã®å·¥å Žã§ã¯ãæ¥éã«æé·ããå¯èœæ§ãé«ãã¯ãããŸããããç®ã«ã¯OSPFã§ååã§ãã ãããã¯å®éã«ã¯ãã¡ã¬ã¹ã±ãŒã©ãŒãšã¯ã©ãŠãã®å·šäººã®åé¡ã§ãã ããããããã€ãã®ãªãªãŒã¹ã§ãããå¿ èŠã«ãªãããã§ãŒãã«ã»ã©ããããéºããããã« BGP ã䜿çšããããšãæ³åããŠã¿ãŸãããã
ã«ãŒãã£ã³ã°ããªã·ãŒ
ãªãŒã ã¹ã€ããã§ã¯ãã¢ã³ããŒã¬ã€ ãããã¯ãŒã¯ ã€ã³ã¿ãŒãã§ã€ã¹ãã BGP ã«ãã¬ãã£ãã¯ã¹ãã€ã³ããŒãããŸãã
ã®é㧠BGP ã»ãã·ã§ã³ã確ç«ããŸãã å ãªãŒããšã¹ãã€ã³ã®ãã¢ããããã®ã¢ã³ããŒã¬ã€ ãã¬ãã£ãã¯ã¹ããããã¯ãŒã¯äžã§ãã¡ãã¡ã«ã¢ããŠã³ã¹ãããŸãã
ToRe ã«ã€ã³ããŒãããä»æ§ã XNUMX ã€ã®ããŒã¿ã»ã³ã¿ãŒå
ã§é
åžããŸãã Edge-Leafs ã§ã¯ãããããéçŽããŠãªã¢ãŒã DC ã«ã¢ããŠã³ã¹ããTOR ã«éä¿¡ããŸãã ã€ãŸããå ToR ã¯ãåã DC å
ã®å¥ã® ToR ã«å°éããæ¹æ³ãšãå¥ã® DC å
ã® ToR ã«å°éããããã®ãšã³ã㪠ãã€ã³ããã©ãã«ããã®ããæ£ç¢ºã«ç¥ã£ãŠããŸãã
DCI ã§ã¯ãã«ãŒã㯠VPNv4 ãšããŠéä¿¡ãããŸãã ãããè¡ãã«ã¯ããšããž ãªãŒãäžã§ãã¡ã¯ããªãžã®ã€ã³ã¿ãŒãã§ã€ã¹ã VRF ã«é 眮ãããŸã (ããã UNDERLAY ãšåŒã³ãŸã)ããšããž ãªãŒãäžã®ã¹ãã€ã³ãæã€è¿å㯠VRF å ãããã³ VPNv4 ã®ãšããž ãªãŒãéã«ç«ã¡äžãããŸãã家æã
ãŸããã¹ãã€ã³ããåãåã£ãã«ãŒããã¹ãã€ã³ã«æ»ãã«ãŒããåã¢ããŠã³ã¹ããããšãçŠæ¢ããŸãã
Leaf ãš Spine ã§ã¯ãã«ãŒãããã¯ã¯ã€ã³ããŒããããŸããã ãããã¯ã«ãŒã¿ãŒ ID ã決å®ããããã«ã®ã¿å¿
èŠã§ãã
ããããEdge-Leafs ã§ã¯ãããã Global BGP ã«ã€ã³ããŒãããŸãã ã«ãŒããã㯠ã¢ãã¬ã¹éã§ãEdge-Leaf 㯠IPv4 VPN ãã¡ããªã§çžäºã« BGP ã»ãã·ã§ã³ã確ç«ããŸãã
EDGE ããã€ã¹éã«ã¯ OSPF+LDP ããã¯ããŒã³ãååšããŸãã ãã¹ãŠã XNUMX ã€ã®ãŸãŒã³å ã«ãããŸãã 極ããŠã·ã³ãã«ãªæ§æã
ã«ãŒãã£ã³ã°ãæœããç»åã§ãã
BGP ASN
ãšããžãªãŒãASN
Edge-Leaf ã§ã¯ããã¹ãŠã® DC ã« 65535 ã€ã® ASN ãååšããŸãã Edge-Leaf éã« iBGP ãååšããããšãéèŠã§ãããeBGP ã®åŸ®åŠãªéãã«åãããªãããã«ããŸãã XNUMX ãšããŸããå®éã«ã¯ãããã¯ãããªã㯠AS ã®çªå·ã§ããå¯èœæ§ããããŸãã
èæ€ASN
Spine ã§ã¯ãDC ããšã« 64512 ã€ã® ASN ããããŸãã ããã§ã¯ããã©ã€ããŒã AS ã®ç¯å²ã®æåã®çªå· (64513ãXNUMX ãªã©) ããå§ããŸãããã
DC 㧠ASN ã䜿çšããçç±
ãã®è³ªåã XNUMX ã€ã«åããŠã¿ãŸãããã
- XNUMX ã€ã® DC ã®ãã¹ãŠã®ã¹ãã€ã³ã§ ASN ãåããªã®ã¯ãªãã§ãã?
- DC ããšã«ç°ãªãã®ã¯ãªãã§ãã?
XNUMX ã€ã® DC ã®ãã¹ãŠã®ã¹ãã€ã³ã«åã ASN ãããã®ã¯ãªãã§ãã?
Edge-Leaf äžã® Underlay ã«ãŒãã® AS-Path ã¯æ¬¡ã®ããã«ãªããŸãã
[leafX_ASN, spine_ASN, edge_ASN]
ããã Spine ã«ã¢ããã¿ã€ãºããããšãããšããã® AS (Spine_AS) ããã§ã«ãªã¹ãã«å«ãŸããŠãããããSpine ã¯ãããç Žæ£ããŸãã
ãã ããDC å ã§ã¯ããšããžã«äžæããã¢ã³ããŒã¬ã€ ã«ãŒããäžéã§ããªãããšã«å®å šã«æºè¶³ããŠããŸãã DC å ã®ãã¹ãéã®ãã¹ãŠã®éä¿¡ã¯ãã¹ãã€ã³ ã¬ãã«å ã§çºçããå¿ èŠããããŸãã
ãã®å Žåãä»ã® DC ã®éçŽã«ãŒãã¯ããããã®å Žåã§ã ToR ã«ç°¡åã«å°éããŸããAS ãã¹ã«ã¯ãAS ãšããž ãªãŒãã®æ°ã§ãã ASN 65535 ã®ã¿ãäœæãããŸãã
DC ããšã«ç°ãªãã®ã¯ãªãã§ãã?
çè«çã«ã¯ãã«ãŒãããã¯ãšäžéšã®ãµãŒãã¹ä»®æ³ãã·ã³ã DC éã§ãã©ãã°ããå¿ èŠãããå ŽåããããŸãã
ããšãã°ããã¹ãäžã§ Route Reflector ãå®è¡ãããã
AS-Path ã¯æ¬¡ã®ããã«ãªããŸãã
[VNF_ASN, leafX_DC1_ASN, spine_DC1_ASN, edge_ASN, spine_DC2_ASN, leafY_DC2_ASN]
ãŸããã©ãã«ãéè€ãã ASN ããã£ãŠã¯ãªããŸããã
ã€ãŸããSpine_DC1 ãš Spine_DC2 ã¯ãleafX_DC1 ãš LeafY_DC2 ãšåæ§ã«ãç°ãªã£ãŠããªããã°ãªããŸãããããããŸãã«ç§ãã¡ãåãçµãã§ããããšã§ãã
ãããããåç¥ããšæããŸãããã«ãŒãé²æ¢ã¡ã«ããºã (Cisco ã®allowas-in) ã«ãããããããéè€ãã ASN ãæã€ã«ãŒããåãå ¥ããããšãå¯èœã«ãããããã³ã°ãååšããŸãã ãããŠãããã¯åæ³çãªçšéãããããŸãã ããããããã¯ãããã¯ãŒã¯ã®å®å®æ§ã«æœåšçãªã®ã£ããããããŸãã ãããŠç§èªèº«ãäœåºŠãããã«é¥ããŸããã
ãããŠãå±éºãªãã®ã䜿çšããªãæ©äŒãããã°ãããã掻çšããŸãã
ãªãŒãASN
ãããã¯ãŒã¯å
šäœã®åãªãŒã ã¹ã€ããã«åå¥ã® ASN ãååšããŸãã
ããã¯ãã«ãŒãã®ãªã AS ãã¹ãããã¯ããŒã¯ã®ãªã BGP æ§æãšããäžèšã®çç±ã«ããè¡ãããŸãã
ãªãŒãéã®ã«ãŒããã¹ã ãŒãºã«ééããã«ã¯ãAS ãã¹ã¯æ¬¡ã®ããã«ãªã£ãŠããå¿
èŠããããŸãã
[leafX_ASN, spine_ASN, leafY_ASN]
ããã§ãleafX_ASN ãš LeafY_ASN ã¯ç°ãªãæ¹ãããã§ãããã
ããã¯ãDC éã® VNF ã«ãŒãããã¯ã®ã¢ããŠã³ã¹ã®ç¶æ³ã«ãå¿
èŠã§ãã
[VNF_ASN, leafX_DC1_ASN, spine_DC1_ASN, edge_ASN, spine_DC2_ASN, leafY_DC2_ASN]
4 ãã€ãã® ASN ã䜿çšããã¹ãã€ã³ã® ASN ãšãªãŒã ã¹ã€ããçªå·ã«åºã¥ããŠæ¬¡ã®ããã«çæããŸãã ã¹ãã€ã³_ASN.0000X.
ãã¡ãã¯ASNã®åçã§ãã
IPãã©ã³
åºæ¬çã«ã次ã®æ¥ç¶ã«ã¢ãã¬ã¹ãå²ãåœãŠãå¿ èŠããããŸãã
- ToR ãšãã·ã³éã®ã¢ã³ããŒã¬ã€ ãããã¯ãŒã¯ ã¢ãã¬ã¹ã ã©ã®ãã·ã³ãä»ã®ãã·ã³ãšéä¿¡ã§ããããã«ããããã¯ãããã¯ãŒã¯å šäœå ã§äžæã§ããå¿ èŠããããŸãã çŽ æŽããããã£ããæ 10/8ã åã©ãã¯ã«ã¯äºåãæ〠/26 ããããŸãã DC ããšã« /19ããªãŒãžã§ã³ããšã« /17 ãå²ãåœãŠãŸãã
- Leaf/Tor ãš Spine éã®ãªã³ã¯ ã¢ãã¬ã¹ã
ããããã¢ã«ãŽãªãºã çã«å²ãåœãŠãããã€ãŸããæ¥ç¶ããå¿ èŠãããããã€ã¹ã®ååããèšç®ããŠå²ãåœãŠãããšèããŠããŸãã
ãã®ãŸãŸã«ããŠãããŸã...169.254.0.0/16ã
ããªãã¡ 169.254.00X.Y/31ã©ã X - ã¹ãã€ã³çªå·ã Y â P2P ãããã¯ãŒã¯ /31ã
ããã«ãããDC å ã§æ倧 128 åã®ã©ãã¯ãšæ倧 10 åã®ã¹ãã€ã³ãèµ·åã§ããããã«ãªããŸãã ãªã³ã¯ ã¢ãã¬ã¹ã¯ DC ãã DC ãžç¹°ãè¿ãããšãã§ããŸã (ãããŠããããããšã«ãªããŸã)ã - ãµããããäžã§ã¹ãã€ã³-ãšããž-ãªãŒã ãžã£ã³ã¯ã·ã§ã³ãæ§æããŸã 169.254.10X.Y/31ããŸã£ããåãã§ã X - ã¹ãã€ã³çªå·ã Y â P2P ãããã¯ãŒã¯ /31ã
- Edge-Leaf ãã MPLS ããã¯ããŒã³ãžã®ãªã³ã¯ ã¢ãã¬ã¹ã ããã§ã¯ç¶æ³ãå€å°ç°ãªããŸãããã¹ãŠã®éšåã XNUMX ã€ã®ãã€ã«æ¥ç¶ãããŠãããããåãã¢ãã¬ã¹ã®åå©çšã¯æ©èœããŸããã次ã®ç©ºããµãããããéžæããå¿ èŠããããŸãã ãããã£ãŠãåºæ¬ãšããŠèããŠã¿ãŸããã 192.168.0.0/16 ãããŠç§ãã¡ã¯ããããç¡æã®ãã®ãããéããŸãã
- ã«ãŒãããã¯ã¢ãã¬ã¹ã ç§ãã¡ã¯åœŒãã®ããã«å
šç¯å²ãæäŸããŸã 172.16.0.0/12.
- ãªãŒã - DC ããšã« /25 - åã 128 ã©ãã¯ã ãªãŒãžã§ã³ããšã« /23 ãå²ãåœãŠãŸãã
- ã¹ãã€ã³ - DC ããã /28 - æ倧 16 ã¹ãã€ã³ã ãªãŒãžã§ã³ããšã« /26 ãå²ãåœãŠãŸãããã
- Edge-Leaf - DC ããšã« /29 - æ倧 8 ããã¯ã¹ã ãªãŒãžã§ã³ããšã« /27 ãå²ãåœãŠãŸãããã
DC ã«ååãªå²ãåœãŠç¯å²ããªãå Žå (ãã€ããŒã¹ã±ãŒã©ãŒã§ãããšäž»åŒµããŠãããããå²ãåœãŠãããç¯å²ã¯ååšããªãã§ããã)ãåçŽã«æ¬¡ã®ãããã¯ãéžæããŸãã
ããã¯IPã¢ãã¬ã¹ãèšå®ããç»åã§ãã
ã«ãŒãããã¯:
ãã¬ãã£ãã¯ã¹
ããã€ã¹ã®åœ¹å²
å°å
ÐЊ
172.16.0.0/23
ãšããž
172.16.0.0/27
ru
172.16.0.0/29
MSK
172.16.0.8/29
kzn
172.16.0.32/27
sp
172.16.0.32/29
bcn
172.16.0.40/29
MLG
172.16.0.64/27
cn
172.16.0.64/29
SHA
172.16.0.72/29
ã§ãã
172.16.2.0/23
èæ€
172.16.2.0/26
ru
172.16.2.0/28
MSK
172.16.2.16/28
kzn
172.16.2.64/26
sp
172.16.2.64/28
bcn
172.16.2.80/28
MLG
172.16.2.128/26
cn
172.16.2.128/28
SHA
172.16.2.144/28
ã§ãã
172.16.8.0/21
èã£ã±
172.16.8.0/23
ru
172.16.8.0/25
MSK
172.16.8.128/25
kzn
172.16.10.0/23
sp
172.16.10.0/25
bcn
172.16.10.128/25
MLG
172.16.12.0/23
cn
172.16.12.0/25
SHA
172.16.12.128/25
ã§ãã
ã¢ã³ããŒã¬ã€ïŒ
ãã¬ãã£ãã¯ã¹
å°å
ÐЊ
10.0.0.0/17
ru
10.0.0.0/19
MSK
10.0.32.0/19
kzn
10.0.128.0/17
sp
10.0.128.0/19
bcn
10.0.160.0/19
MLG
10.1.0.0/17
cn
10.1.0.0/19
SHA
10.1.32.0/19
ã§ãã
ã©ã
ãã³ããŒã¯XNUMX瀟ã XNUMX ã€ã®ãããã¯ãŒã¯ã ADSMã
ãžã¥ãããŒ+ã¢ãªã¹ã¿ã ãŠãã³ãã¥ã å€ãè¯ãã€ãã
ãã©ãã®ä»®æ³ãµãŒããŒã®ãªãœãŒã¹éã¯ãŸã éãããŠãããããç·Žç¿ã§ã¯éçãŸã§ç°¡çŽ åãããããã¯ãŒã¯ã䜿çšããŸãã
XNUMX ã€ã®ããŒã¿ã»ã³ã¿ãŒ: ã«ã¶ã³ãšãã«ã»ããã
- ãããã XNUMX ã€ã®ã¹ãã€ã³: ãžã¥ãããŒãšã¢ãªã¹ã¿ã
- Juniper ãš Arista ã®ããããã« XNUMX ã€ã®ããŒã©ã¹ (ãªãŒã) ããããXNUMX ã€ã®ãã¹ããæ¥ç¶ãããŠããŸã (ããã«ã¯è»œéã® Cisco IOL ã䜿çšããŸã)ã
- Edge-Leaf ããŒãããããã XNUMX 〠(çŸæç¹ã§ã¯ Juniper ã®ã¿)ã
- XNUMX å°ã® Cisco ã¹ã€ããã§ãã¹ãŠãå¶åŸ¡ã§ããŸãã
- ãããã¯ãŒã¯ ããã¯ã¹ã«å ããŠãä»®æ³å¶åŸ¡ãã·ã³ãå®è¡ãããŸãã Ubuntuãå®è¡ããŠããŸãã
ãã¹ãŠã®ããã€ã¹ã«ã¢ã¯ã»ã¹ã§ããIPAM/DCIM ã·ã¹ãã ãå€æ°ã® Python ã¹ã¯ãªãããAnsibleããã®ä»å¿ èŠãªãã®ã¯ãã¹ãŠå®è¡ãããŸãã
ãŸãšã
ãããåãå ¥ãããããã§ããïŒ åèšäºã®äžã«çãçµè«ãæžãã¹ãã§ãã?
ããã§ç§ãã¡ãéžãã ã®ã¯ã
ãããã¯ãŒã¯ã¯ç©ç (ã¢ã³ããŒã¬ã€) ãšä»®æ³ (ãªãŒããŒã¬ã€) ã«åå²ãããŸããã åæã«ããªãŒããŒã¬ã€ã¯ãã¹ãããéå§ããããããã¢ã³ããŒã¬ã€ã®èŠä»¶ãç°¡çŽ åãããŸãã
æ¡åŒµæ§ãšããªã·ãŒã®æè»æ§ãèæ ®ããŠããããã¯ãŒã¯ ãããã¯ãŒã¯ã®ã«ãŒãã£ã³ã° ãããã³ã«ãšã㊠BGP ãéžæããŸããã
DCI ãç·šæããããã®å¥åã®ããŒã (ãšããžãªãŒã) ãçšæããŸãã
ããã¯ããŒã³ã«ã¯OSPF+LDPãæèŒãããŸãã
DCI 㯠MPLS L3VPN ã«åºã¥ããŠå®è£
ãããŸãã
P2P ãªã³ã¯ã®å Žåãããã€ã¹åã«åºã¥ã㊠IP ã¢ãã¬ã¹ãã¢ã«ãŽãªãºã ã§èšç®ãããŸãã
ããã€ã¹ã®åœ¹å²ãšãã®å Žæã«å¿ããŠã«ãŒãããã¯ãé çªã«å²ãåœãŠãŸãã
ã¢ã³ããŒã¬ã€ ãã¬ãã£ãã¯ã¹ - ãªãŒã ã¹ã€ããã®ã¿ãäœçœ®ã«åºã¥ããŠé çªã«åãæ¿ããããŸãã
çŸæç¹ã§ã¯ãŸã æ©åšãèšçœ®ãããŠããªããšä»®å®ããŸãããã
ãããã£ãŠã次ã®ã¹ãããã§ã¯ãããããã·ã¹ãã (IPAMãã€ã³ãã³ããª) ã«è¿œå ããã¢ã¯ã»ã¹ãæŽçããæ§æãçæããŠå±éããŸãã
次ã®èšäºã§ã¯ãDC å ã® IP ã¹ããŒã¹ã®ã€ã³ãã³ããªããã³ç®¡çã·ã¹ãã ã§ãã Netbox ã«ã€ããŠèª¬æããŸãã
ããããšã
- Andrey Glazkov å¥å @glazgoo æ ¡æ£ãšä¿®æ£ãæ åœ
- Alexander Klimenko å¥å @v00lk æ ¡æ£ãšç·šéãæ åœ
- KDPVã®ã¢ã«ãã§ã ã»ãã§ã«ããã€
åºæïŒ habr.com