מודולריות רשת היא הנוהג של תכנון רשתות כמו פלחות מקושרות, בנויות מטרה ולא מבנים מונוליטיים. כל מודול משרת פונקציה מסוימת, הגדיר גבולות, ומתחבר למודולים סמוכים באמצעות ממשקים ממושמעים היטב. גישה זו הופכת את עיצוב הרשת מאמנות למשמעת הנדסית חוזרת.
הכוח של המודולריות הוא ביכולתו ליצורתבניות צפויותזה יכול להיות מיושם באופן עקבי על כל טביעת הרגל של תשתיות הארגון - בין אם זה משתרע על עשרות אלפי אתרים קטנים, אלפי אתרים בינוניים, או מאות קמפוסים ארגוניים גדולים.
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ארגונים לעתים רחוקות נשארים סטטיים. עיצוב מודולרי חייב להתאים:
ללא מודולריות, כל אתר הופך פתית שלג ייחודית הדורשת תיעוד מותאם אישית, הכשרה מיוחדת ופתרון בעיות חד פעמי. עם מודולריות, מהנדס שמבין את התבנית יכול לעבוד ביעילות בכל אתר.
האינטרנט Edge הוא המקום שבו הארגון שלך פוגש את העולם החיצון. מודול זה מכיל:
@startuml Internet Edge Module
!define ICONURL https://raw.githubusercontent.com/Roemer/plantuml-office/master/office2014
skinparam backgroundColor #FEFEFE
skinparam handwritten false
nwdiag {
internet [shape = cloud, description = "Internet"];
network ISP_Transit {
address = "VLAN 10-12"
color = "#FFE4E1"
description = "ISP/MPLS Transit"
internet;
ISP_A [description = "ISP-A\nCircuit"];
ISP_B [description = "ISP-B\nCircuit"];
MPLS [description = "MPLS\nCircuit"];
}
network Edge_Router_Segment {
address = "VLAN 10,11,12"
color = "#E6E6FA"
description = "Edge Router Aggregation"
ISP_A;
ISP_B;
MPLS;
Edge_Router [description = "Edge Router\n(BGP Peering)"];
}
network FW_Outside {
address = "VLAN 100"
color = "#FFFACD"
description = "Firewall Outside"
Edge_Router;
FW_Primary [description = "Firewall\nPrimary"];
FW_Secondary [description = "Firewall\nSecondary"];
}
network FW_HA_Sync {
address = "VLAN 101"
color = "#F0FFF0"
description = "HA Sync Link"
FW_Primary;
FW_Secondary;
}
network FW_Inside {
address = "VLAN 102"
color = "#E0FFFF"
description = "To Internal Edge"
FW_Primary;
FW_Secondary;
}
}
@enduml
עקרונות עיצוב מרכזיים:
עבור אתרים בינוניים וגדולים, ה- Internal Edge מספק שכבת ggregation עבור שירותים הדורשים חשיפה מבוקרת או לשמש נקודות מעבר בין אזורי אבטחה.
@startuml Internal Edge Module
skinparam backgroundColor #FEFEFE
nwdiag {
network From_Internet_Edge {
address = "VLAN 102"
color = "#E0FFFF"
description = "From Firewall Inside"
IntEdge_A [description = "Internal Edge\nSwitch A"];
IntEdge_B [description = "Internal Edge\nSwitch B"];
}
network MCLAG_Peer {
address = "Peer-Link"
color = "#DDA0DD"
description = "MCLAG/vPC Peer"
IntEdge_A;
IntEdge_B;
}
network WLC_Mgmt {
address = "VLAN 200 - 10.x.200.0/24"
color = "#FFE4B5"
description = "WLC Management"
IntEdge_A;
IntEdge_B;
WLC [description = "Wireless LAN\nController"];
}
network Proxy_Farm {
address = "VLAN 201 - 10.x.201.0/24"
color = "#FFDAB9"
description = "Proxy Services"
IntEdge_A;
IntEdge_B;
Proxy [description = "Web Proxy\nServers"];
}
network VPN_Services {
address = "VLAN 202 - 10.x.202.0/24"
color = "#E6E6FA"
description = "VPN Termination"
IntEdge_A;
IntEdge_B;
VPN [description = "VPN\nConcentrator"];
}
network Infrastructure {
address = "VLAN 204 - 10.x.204.0/24"
color = "#F0FFF0"
description = "Infrastructure Services"
IntEdge_A;
IntEdge_B;
DNS_DHCP [description = "DNS/DHCP\nServers"];
}
network To_Core {
address = "VLAN 205"
color = "#B0E0E6"
description = "Core Transit"
IntEdge_A;
IntEdge_B;
}
}
@enduml
שירותים בדרך כלל ב- Internal Edge:
הליבה היא עמוד השדרה המהיר המקשר בין כל המודולים האחרים. זה צריך להיות מותאם עבור:
@startuml Core Module
skinparam backgroundColor #FEFEFE
nwdiag {
network From_Internal_Edge {
address = "L3 Routed"
color = "#B0E0E6"
description = "From Internal Edge"
Core_A [description = "Core Switch A\n100G Backbone"];
Core_B [description = "Core Switch B\n100G Backbone"];
}
network Core_Interconnect {
address = "100G+ ISL"
color = "#FFB6C1"
description = "High-Speed Interconnect\nOSPF/IS-IS/BGP"
Core_A;
Core_B;
}
network To_Distribution_1 {
address = "L3 P2P"
color = "#98FB98"
description = "Building A"
Core_A;
Core_B;
Dist_1 [description = "Distribution 1\n(L3 Adjacent)"];
}
network To_Distribution_2 {
address = "L3 P2P"
color = "#DDA0DD"
description = "Building B"
Core_A;
Core_B;
Dist_2 [description = "Distribution 2\n(MCLAG)"];
}
network To_Distribution_3 {
address = "L3 P2P"
color = "#FFDAB9"
description = "Building C"
Core_A;
Core_B;
Dist_3 [description = "Distribution 3\n(MCLAG)"];
}
network To_DC_Border {
address = "L3 Routed"
color = "#87CEEB"
description = "Datacenter"
Core_A;
Core_B;
Border_Leaf [description = "Border Leaf\n(DC Fabric)"];
}
}
@enduml
עקרונות עיצוב:
שכבת ההפצה מצטברת מתגי Access ואכיפת מדיניות. זה המקום שבו אפשרויות עיצוב רשת יש את הווריאציות ביותר בהתבסס על דרישות האתר.
בעיצוב זה, שכבות ההפצה והגישה הםL3לכל מתג גישה יש תת-רשת IP משלה ודרכים ישירות להפצה.
@startuml Distribution Variation 1 - L3 Adjacent
skinparam backgroundColor #FEFEFE
nwdiag {
network From_Core {
address = "L3 ECMP"
color = "#B0E0E6"
description = "From Core Layer"
Dist_A [description = "Distribution A\n(L3 Router)"];
Dist_B [description = "Distribution B\n(L3 Router)"];
}
network Dist_iBGP {
address = "iBGP Peering"
color = "#DDA0DD"
description = "ECMP/iBGP"
Dist_A;
Dist_B;
}
network P2P_Access_1 {
address = "10.x.2.0/30"
color = "#98FB98"
description = "L3 Point-to-Point"
Dist_A;
Dist_B;
Access_1 [description = "Access SW-1\n(L3 Gateway)"];
}
network P2P_Access_2 {
address = "10.x.2.8/30"
color = "#FFE4B5"
description = "L3 Point-to-Point"
Dist_A;
Dist_B;
Access_2 [description = "Access SW-2\n(L3 Gateway)"];
}
network P2P_Access_3 {
address = "10.x.2.16/30"
color = "#FFDAB9"
description = "L3 Point-to-Point"
Dist_A;
Dist_B;
Access_3 [description = "Access SW-3\n(L3 Gateway)"];
}
network User_VLAN_1 {
address = "10.x.32.0/24"
color = "#F0FFF0"
description = "Users - SW1"
Access_1;
Laptop_1 [description = "Laptops"];
Phone_1 [description = "Phones"];
}
network User_VLAN_2 {
address = "10.x.33.0/24"
color = "#FFF0F5"
description = "Users - SW2"
Access_2;
Laptop_2 [description = "Laptops"];
Camera_2 [description = "Cameras"];
}
network User_VLAN_3 {
address = "10.x.34.0/24"
color = "#F5FFFA"
description = "Users - SW3"
Access_3;
Laptop_3 [description = "Workstations"];
Camera_3 [description = "Cameras"];
}
}
@enduml
המונחים:
קישור | Subnet ---------- הפצה ל Core | 10.x.1.0/30, 10.x.1.4/30 Dist-A to Access-1 | 10.x.2.0/30 Dist-B to Access-1 | 10.x.2.4/30 Access-1 User VLAN | 10.x.32.0/24 Access-2 User VLAN | 10.x.33.0/24
יתרונות:
שיקולים:
עיצוב זה משתמשMulti-Chassis Link Aggregation (MCLAG)הפצה עםLACPלגימני גישה שנשאו VLAN.
המונחים Terminologyסיסקו מכנה את ערוץ ה- vPC (Virtual Port Channel), Arista משתמשת ב-MLAG, ג'וניפר משתמשת ב- MC-LAG, ו-HPE/Aruba משתמשת ב- VSX. התנהגות פונקציונלית דומה על ידי ספקים.
@startuml Distribution Variation 2 - MCLAG
skinparam backgroundColor #FEFEFE
nwdiag {
network From_Core {
address = "L3 Routed Uplinks"
color = "#B0E0E6"
description = "From Core Layer"
Dist_A [description = "Distribution A\n(MCLAG Member)"];
Dist_B [description = "Distribution B\n(MCLAG Member)"];
}
network MCLAG_Peer_Link {
address = "Peer-Link"
color = "#FFB6C1"
description = "MCLAG/vPC Peer-Link"
Dist_A;
Dist_B;
}
network LACP_To_Access {
address = "Po1 - LACP Trunk"
color = "#DDA0DD"
description = "VLANs 100,110,120 Trunked"
Dist_A;
Dist_B;
Access_1 [description = "Access SW-1\n(L2 Switch)"];
}
network Data_VLAN {
address = "VLAN 100 - 10.x.32.0/24"
color = "#98FB98"
description = "Data VLAN"
Access_1;
Laptops [description = "Laptops\nWorkstations"];
}
network Voice_VLAN {
address = "VLAN 110 - 10.x.64.0/24"
color = "#FFE4B5"
description = "Voice VLAN"
Access_1;
Phones [description = "IP Phones"];
}
network Security_VLAN {
address = "VLAN 120 - 10.x.96.0/24"
color = "#FFDAB9"
description = "Security VLAN"
Access_1;
Cameras [description = "Cameras\nBadge Readers"];
}
}
@enduml
SVI Placement (VRRP VIP on Distribution Pair):
VLAN Trunk Configuration:
פורט-צ'נל | VLANs ...---------------------------------------- פו1 (MCLAG) | 100,110,120 | Access-1 פו2 (MCLAG) | 100,110,120,130 | Access-2 פו3 (MCLAG) | 100,110 | Access-3 Native VLAN | 999 (לא בשימוש)
יתרונות MCLAG:
שיקולים:
בסביבות מרכזי נתונים, שכבת ההפצה הופכת להיותBorder Leafמחבר את הבד עמוד השדרה/לף לשאר רשת הארגון.
@startuml Distribution Variation 3 - Border Leaf Datacenter
skinparam backgroundColor #FEFEFE
nwdiag {
network Enterprise_Core {
address = "L3 Routed (eBGP/OSPF)"
color = "#B0E0E6"
description = "From Enterprise Core"
Border_A [description = "Border Leaf A\nVXLAN Gateway"];
Border_B [description = "Border Leaf B\nVXLAN Gateway"];
}
network Border_EVPN {
address = "VXLAN EVPN"
color = "#DDA0DD"
description = "EVPN Type-5 Routes"
Border_A;
Border_B;
Spine_1 [description = "Spine 1"];
Spine_2 [description = "Spine 2"];
}
network Spine_Fabric {
address = "eBGP Underlay"
color = "#FFB6C1"
description = "Spine Layer"
Spine_1;
Spine_2;
}
network Leaf_Tier_1 {
address = "VTEP"
color = "#98FB98"
description = "Compute Rack 1"
Spine_1;
Spine_2;
Leaf_1 [description = "Leaf 1"];
Leaf_2 [description = "Leaf 2"];
}
network Leaf_Tier_2 {
address = "VTEP"
color = "#FFE4B5"
description = "Storage/Services"
Spine_1;
Spine_2;
Leaf_3 [description = "Leaf 3"];
Leaf_4 [description = "Leaf 4"];
}
network Server_Rack_1 {
address = "VNI 10001"
color = "#F0FFF0"
description = "Compute Servers"
Leaf_1;
Leaf_2;
Servers_1 [description = "Rack Servers\nVMs/Containers"];
}
network Storage_Network {
address = "VNI 10002"
color = "#FFDAB9"
description = "Storage Arrays"
Leaf_3;
Storage [description = "SAN/NAS\nStorage"];
}
network Voice_Services {
address = "VNI 10003"
color = "#E6E6FA"
description = "UC Systems"
Leaf_4;
PBX [description = "PBX/UC\nSystems"];
}
}
@enduml
פרטים נוספים:
המונחים: Function ---------- |המונחיםEBGP (ASN לכל מתג) או OSPF |OverlayVXLAN עם מטוס בקרת VPN |Border LeafVXLAN-to-VLAN Gateway, מסלולים חיצוניים, Inter-VRF routing |תגית: Leaf Workloadsאחסון, קול / מדע, תשתיות
יתרונות:
שיקולים:
שכבת Access היא המקום שבו מכשירים הקצה מתחברים. ללא קשר לטופולוגיה הפצה, מתגי הגישה מספקים:
@startuml Access Layer Module
skinparam backgroundColor #FEFEFE
nwdiag {
network Distribution_Uplink {
address = "L3 or LACP Trunk"
color = "#B0E0E6"
description = "Uplinks to Distribution"
Access_SW [description = "48-Port Access Switch\nPoE+ Capable"];
}
network Data_VLAN {
address = "VLAN 100 - Ports 1-8, 25-32"
color = "#98FB98"
description = "Data VLAN"
Access_SW;
Laptops [description = "Laptops\nWorkstations"];
}
network Voice_VLAN {
address = "VLAN 110 - Ports 9-16"
color = "#FFE4B5"
description = "Voice VLAN"
Access_SW;
Phones [description = "IP Phones"];
}
network Camera_VLAN {
address = "VLAN 120 - Ports 17-24"
color = "#FFDAB9"
description = "Security VLAN"
Access_SW;
Cameras [description = "IP Cameras"];
}
network Wireless_VLAN {
address = "VLAN 130 - Ports 33-40"
color = "#DDA0DD"
description = "Wireless AP VLAN"
Access_SW;
APs [description = "Wireless APs"];
}
network Mgmt_VLAN {
address = "VLAN 999 - Ports 41-44"
color = "#F0FFF0"
description = "Management VLAN"
Access_SW;
}
}
@enduml
תכונות אבטחה שכבתיות:
הנה איך כל המודולים מתחברים ליצירת רשת ארגונית מלאה:
@startuml Complete Modular Network Topology
skinparam backgroundColor #FEFEFE
title Complete Enterprise Modular Network
nwdiag {
internet [shape = cloud, description = "Internet/WAN"];
network Internet_Edge {
address = "Module 1"
color = "#FFE4E1"
description = "INTERNET EDGE MODULE"
internet;
ISP_A [description = "ISP-A"];
ISP_B [description = "ISP-B"];
MPLS [description = "MPLS"];
Edge_RTR [description = "Edge Router"];
FW_A [description = "FW-A"];
FW_B [description = "FW-B"];
}
network Internal_Edge {
address = "Module 2"
color = "#E6E6FA"
description = "INTERNAL EDGE / DMZ MODULE"
FW_A;
FW_B;
IntEdge_A [description = "IntEdge-A"];
IntEdge_B [description = "IntEdge-B"];
WLC [description = "WLC"];
Proxy [description = "Proxy"];
VPN [description = "VPN"];
DNS [description = "DNS/DHCP"];
}
network Core {
address = "Module 3"
color = "#B0E0E6"
description = "CORE MODULE"
IntEdge_A;
IntEdge_B;
Core_A [description = "Core-A"];
Core_B [description = "Core-B"];
}
network Distribution_L3 {
address = "Variation 1"
color = "#98FB98"
description = "DIST - L3 Adjacent\n(Building A)"
Core_A;
Core_B;
Dist_1A [description = "Dist-1A"];
Dist_1B [description = "Dist-1B"];
Access_L3 [description = "Access\n(L3)"];
}
network Distribution_MCLAG {
address = "Variation 2"
color = "#DDA0DD"
description = "DIST - MCLAG\n(Building B)"
Core_A;
Core_B;
Dist_2A [description = "Dist-2A"];
Dist_2B [description = "Dist-2B"];
Access_L2 [description = "Access\n(L2)"];
}
network Datacenter {
address = "Variation 3"
color = "#FFE4B5"
description = "DATACENTER\n(Spine/Leaf)"
Core_A;
Core_B;
Border_Leaf [description = "Border\nLeaf"];
Spine [description = "Spine"];
Leaf [description = "Leaf"];
Servers [description = "Servers\nStorage\nPBX"];
}
network Campus_Users {
address = "End Devices"
color = "#F0FFF0"
description = "Campus Users"
Access_L3;
Access_L2;
Users [description = "Laptops\nPhones\nCameras"];
}
}
@enduml
כאשר רשתות צומחות לכלול אזורי אבטחה מרובים, יחידות עסקיות או גבולות עמידה,VRF (Virtual Routing and Forwarding)מספק בידוד שולחן. עם זאת, הרחבת VRFs באמצעות מספר tiers מוסיפה מורכבות:
Schema subnet מעוצב היטב עושה דפוסים לזיהוי, צמצום שגיאות עומס קוגניטיבי ותצורה.
אתר Allocation:10.0.0.0/13 (ניהול אתר אלפא) - 524,286 מארחים
@startuml VRF Subnet Schema
skinparam backgroundColor #FEFEFE
title Large Site VRF Allocation Schema (10.0.0.0/13)
nwdiag {
network Corporate_VRF {
address = "VRF: CORPORATE\n10.0.0.0/17"
color = "#98FB98"
description = "Production Users"
Corp_Transit [description = "Transit\n10.0.0.0/23"];
Corp_Users [description = "Users\n10.0.32.0/19"];
Corp_Voice [description = "Voice\n10.0.64.0/19"];
Corp_Wireless [description = "Wireless\n10.0.96.0/19"];
Corp_Server [description = "Servers\n10.0.112.0/20"];
}
network Guest_VRF {
address = "VRF: GUEST\n10.1.0.0/17"
color = "#FFE4B5"
description = "Visitor Network"
Guest_Transit [description = "Transit\n10.1.0.0/23"];
Guest_Users [description = "Users\n10.1.32.0/19"];
}
network Security_VRF {
address = "VRF: SECURITY\n10.2.0.0/17"
color = "#FFDAB9"
description = "Physical Security"
Sec_Transit [description = "Transit\n10.2.0.0/23"];
Sec_Camera [description = "Cameras\n10.2.32.0/19"];
Sec_Badge [description = "Badge Readers\n10.2.64.0/19"];
Sec_NVR [description = "NVR/VMS\n10.2.96.0/20"];
}
network IOT_VRF {
address = "VRF: IOT\n10.3.0.0/17"
color = "#E6E6FA"
description = "Manufacturing OT"
IOT_Transit [description = "Transit\n10.3.0.0/23"];
IOT_PLC [description = "PLCs\n10.3.32.0/19"];
IOT_HMI [description = "HMIs\n10.3.64.0/19"];
IOT_SCADA [description = "SCADA\n10.3.96.0/20"];
}
}
@enduml
העברת מידע (10.0.0/23 - 510 IPable):
תגית: Link Description ------------------- 10.0.0/30 | FW-Inside 10.0.0.4/30 | FW-Inside 10.0.8/30 | Internal-Edge-A 10.0.0.12/30 | Internal-Edge-A 10.0.0.16/30 | Internal-Edge-B 10.0.20/30 | Internal-Edge-B 10.0.24/30 | Core-A 10.0.28/30 | Core-A 10.0.0.32/30 | Core-B 10.0.0.36/30 | Core-B 10.0.0.40/30 | הפצה-A 10.0.0.44/30 | הפצה-B (Pattern ממשיך)
הערה:/31 subnets (RFC 3021) ניתן להשתמש גם עבור קישורים נקודה לנקודה, שמירה על שטח כתובת.
כאשר תבניות תת-נט עקביות ב- VRFs:
מה אתה יודע / What You Can Infer --------------------------------------- קישור המעבר בתאגיד משתמש 10.0.0.40/30; המקבילה לאורחים היא 10.1.0.40/30 משתמשי Access-SW-5 נמצאים ב-10.0.36.0/24 | מצלמות אבטחה באותו מתג הן 10.2.36.0/24 Site Alpha הוא 10.0.0.0.0/13 | אתר Beta יכול להיות 10.8.0.0/13
זה מאפשר למהנדסים:
@startuml Small Site Template
skinparam backgroundColor #FEFEFE
title Small Site Template (< 50 users)
nwdiag {
internet [shape = cloud];
network WAN {
color = "#FFE4E1"
description = "ISP/MPLS Circuit"
internet;
UTM [description = "UTM/SD-WAN\nAppliance\n(Router+FW+VPN+WLC)"];
}
network LAN {
address = "10.100.x.0/24"
color = "#98FB98"
description = "Single Subnet"
UTM;
Access [description = "Access Switch\n(or UTM ports)"];
}
network Endpoints {
color = "#F0FFF0"
description = "End Devices"
Access;
AP [description = "WiFi AP"];
Users [description = "Users"];
Phones [description = "Phones"];
}
}
@enduml
הערות עיצוב אתר קטן:
@startuml Medium Site Template
skinparam backgroundColor #FEFEFE
title Medium Site Template (50-500 users)
nwdiag {
internet [shape = cloud];
network WAN_Edge {
color = "#FFE4E1"
description = "Internet Edge"
internet;
ISP_A [description = "ISP-A"];
ISP_B [description = "ISP-B/MPLS"];
Edge_RTR [description = "Edge Router"];
}
network Firewall_Tier {
color = "#FFDAB9"
description = "Firewall HA Pair"
Edge_RTR;
FW_A [description = "FW-A"];
FW_B [description = "FW-B"];
}
network Distribution {
address = "10.50.x.0/21"
color = "#DDA0DD"
description = "MCLAG Distribution\n(Dist/Core Combined)"
FW_A;
FW_B;
Dist_A [description = "Dist-A"];
Dist_B [description = "Dist-B"];
}
network Access_Tier {
color = "#98FB98"
description = "Access Switches (LACP)"
Dist_A;
Dist_B;
Acc1 [description = "Acc1"];
Acc2 [description = "Acc2"];
Acc3 [description = "Acc3"];
Acc4 [description = "Acc4"];
Acc5 [description = "Acc5"];
}
network Users {
color = "#F0FFF0"
description = "End Devices"
Acc1;
Acc2;
Acc3;
Acc4;
Acc5;
Endpoints [description = "Laptops/Phones\nCameras/APs"];
}
}
@enduml
הערות עיצוב אתר בינוני:
@startuml Large Site Template
skinparam backgroundColor #FEFEFE
title Large Site Template (500+ users)
nwdiag {
internet [shape = cloud];
network Internet_Edge {
color = "#FFE4E1"
description = "INTERNET EDGE MODULE"
internet;
ISP_A [description = "ISP-A"];
ISP_B [description = "ISP-B"];
MPLS [description = "MPLS"];
Edge_RTR [description = "Edge-RTR"];
FW_A [description = "FW-A"];
FW_B [description = "FW-B"];
}
network Internal_Edge {
color = "#E6E6FA"
description = "INTERNAL EDGE MODULE"
FW_A;
FW_B;
IntEdge_A [description = "IntEdge-A"];
IntEdge_B [description = "IntEdge-B"];
WLC [description = "WLC"];
Proxy [description = "Proxy"];
VPN [description = "VPN"];
DNS [description = "DNS"];
}
network Core {
color = "#B0E0E6"
description = "CORE MODULE"
IntEdge_A;
IntEdge_B;
Core_A [description = "Core-A"];
Core_B [description = "Core-B"];
}
network Dist_Var1 {
color = "#98FB98"
description = "L3 Adjacent"
Core_A;
Core_B;
Dist_1 [description = "Dist-1"];
Access_1 [description = "Access"];
}
network Dist_Var2 {
color = "#DDA0DD"
description = "MCLAG Trunk"
Core_A;
Core_B;
Dist_2 [description = "Dist-2"];
Access_2 [description = "Access"];
}
network Dist_Var3 {
color = "#FFE4B5"
description = "MCLAG Trunk"
Core_A;
Core_B;
Dist_3 [description = "Dist-3"];
Access_3 [description = "Access"];
}
network Datacenter {
color = "#87CEEB"
description = "SPINE/LEAF DC"
Core_A;
Core_B;
Border [description = "Border-Leaf"];
Spine [description = "Spine"];
Leaf [description = "Leaf"];
Servers [description = "Servers"];
}
}
@enduml
Site Design Notes:
כאשר מגזרים חייבים להרחיב באמצעות מספר tiers, כל גבול L3 מוסיף תצורה overhead:
@startuml Multi-VRF Path Through Tiers
skinparam backgroundColor #FEFEFE
title Multi-VRF Traffic Path: Camera to NVR
nwdiag {
network Camera_Segment {
address = "VLAN 120\n10.2.36.0/24"
color = "#FFDAB9"
description = "VRF: SECURITY"
Camera [description = "Camera"];
Access_SW [description = "Access-SW\nSub-int: 10.2.0.40/30"];
}
network Access_to_Dist {
address = "10.2.0.40/30"
color = "#DDA0DD"
description = "VRF: SECURITY"
Access_SW;
Distribution [description = "Distribution\nSub-int: 10.2.0.24/30"];
}
network Dist_to_Core {
address = "10.2.0.24/30"
color = "#B0E0E6"
description = "VRF: SECURITY"
Distribution;
Core [description = "Core\nSub-int: 10.2.0.8/30"];
}
network Core_to_IntEdge {
address = "10.2.0.8/30"
color = "#E6E6FA"
description = "VRF: SECURITY"
Core;
Internal_Edge [description = "Internal-Edge\nSub-int: 10.2.0.0/30"];
}
network IntEdge_to_FW {
address = "10.2.0.0/30"
color = "#FFE4E1"
description = "VRF: SECURITY"
Internal_Edge;
Firewall [description = "Firewall\nInter-VRF Policy"];
}
network DC_Path {
address = "VXLAN/EVPN"
color = "#87CEEB"
description = "Datacenter Fabric"
Firewall;
Border_Leaf [description = "Border-Leaf"];
Spine [description = "Spine"];
Leaf [description = "Leaf"];
NVR [description = "NVR"];
}
}
@enduml
המונחים:
המטרה של עיצוב רשת מודולרי היא ליצורדפוס חוזרזה מאפשר:
סולם | אתרים | תבנית ---------- קטן | 10,000+ | Collapsed UTM + מתג יחיד /24 לכל אתר | Medium | 1000+ | Edge + MCLAG הפצה + גישה / 21 לכל אתר גדול | 100+ | מודולרי מלא (Edge, Internal Edge, Core, גרסאות הפצה, DC הבד), / 13/15 לכל אתר
על ידי הקמת דפוסים אלה ויישום אותם באופן עקבי, ארגונים יכולים לבנות רשתות בקנה מידה של משרד סניף יחיד לארגון גלובלי - כל זאת תוך שמירה על פשטות תפעולית ונוחות אבטחה.
גרסה 2.0 | Published 2026-02-02-02 | עדכון עם דיאגרמות PlantUML Nwdiag