Inter-VLAN Configuration(Juniper vQFX)

1. Inter-VLAN Configuration 구성도

1) Inter-VLAN Configuration 구성도

• 본 글은 단순히 vQFX Configuration을 입력하고 동작을 확인하는 목적 
• 동작에 대한 설명은 '동작 과정' 글이나' vMX Configuration' 글을 참고

 

2) 테스트 장비

• Emulator : EVE-NG
• OS : Juniper vQFX 19.4R1.10

 

 

2. Inter-VLAN Configuration

1) Inter-VLAN Configuration

< R1 : Sub-Interface 설정 >
set interfaces xe-0/0/0 description SW1
set interfaces xe-0/0/0 vlan-tagging
set interfaces xe-0/0/0 unit 10 vlan-id 10
set interfaces xe-0/0/0 unit 10 family inet address 10.0.0.1/24
set interfaces xe-0/0/0 unit 20 vlan-id 20
set interfaces xe-0/0/0 unit 20 family inet address 20.0.0.1/24

< SW1 : VLAN 10 생성 >
set vlans VLAN10 description VLAN10
set vlans VLAN10 vlan-id 10

< SW1 : VLAN 20 생성 >
set vlans VLAN20 description VLAN20
set vlans VLAN20 vlan-id 20

< SW1 : ge-0/0/0 Trunk Mode 설정 >
set interfaces xe-0/0/0 description R1
set interfaces xe-0/0/0 unit 0 family ethernet-switching interface-mode trunk
set interfaces xe-0/0/0 unit 0 family ethernet-switching vlan members VLAN10
set interfaces xe-0/0/0 unit 0 family ethernet-switching vlan members VLAN20

< SW1 : ge-0/0/1 Access Mode 설정 >
set interfaces xe-0/0/1 description PC1
set interfaces xe-0/0/1 unit 0 family ethernet-switching interface-mode access
set interfaces xe-0/0/1 unit 0 family ethernet-switching vlan members VLAN10

< SW1 : ge-0/0/2 Access Mode 설정 >
set interfaces xe-0/0/2 description PC2
set interfaces xe-0/0/2 unit 0 family ethernet-switching interface-mode access
set interfaces xe-0/0/2 unit 0 family ethernet-switching vlan members VLAN20

root@R1> show route table inet.0 

inet.0: 6 destinations, 6 routes (6 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

10.0.0.0/24        *[Direct/0] 00:58:32
                    >  via xe-0/0/0.10
10.0.0.1/32        *[Local/0] 00:58:32
                       Local via xe-0/0/0.10
20.0.0.0/24        *[Direct/0] 00:58:32
                    >  via xe-0/0/0.20
20.0.0.1/32        *[Local/0] 00:58:32
                       Local via xe-0/0/0.20
169.254.0.0/24     *[Direct/0] 10:46:26
                    >  via em1.0
169.254.0.2/32     *[Local/0] 10:46:26
                       Local via em1.0

root@SW1> show ethernet-switching interface 
Routing Instance Name : default-switch
Logical Interface flags (DL - disable learning, AD - packet action drop,
                         LH - MAC limit hit, DN - interface down,
                         MMAS - Mac-move action shutdown,  AS - Autostate-exclude enabled,
                         SCTL - shutdown by Storm-control, MI - MAC+IP limit hit)

Logical         Vlan                   TAG   MAC    MAC+IP STP         Logical          Tagging
interface       members                      limit  limit  state       interface flags
xe-0/0/2.0                                   8192   8192                                untagged 
                VLAN20                 20    1024   1024   Forwarding                   untagged 
Routing Instance Name : default-switch
Logical Interface flags (DL - disable learning, AD - packet action drop,
                         LH - MAC limit hit, DN - interface down,
                         MMAS - Mac-move action shutdown,  AS - Autostate-exclude enabled,
                         SCTL - shutdown by Storm-control, MI - MAC+IP limit hit)
                                        
Logical         Vlan                   TAG   MAC    MAC+IP STP         Logical          Tagging
interface       members                      limit  limit  state       interface flags
xe-0/0/0.0                                   8192   8192                                tagged   
                VLAN10                 10    1024   1024   Forwarding                   tagged   
                VLAN20                 20    1024   1024   Forwarding                   tagged   
Routing Instance Name : default-switch
Logical Interface flags (DL - disable learning, AD - packet action drop,
                         LH - MAC limit hit, DN - interface down,
                         MMAS - Mac-move action shutdown,  AS - Autostate-exclude enabled,
                         SCTL - shutdown by Storm-control, MI - MAC+IP limit hit)

Logical         Vlan                   TAG   MAC    MAC+IP STP         Logical          Tagging
interface       members                      limit  limit  state       interface flags
xe-0/0/1.0                                   8192   8192                                untagged 
                VLAN10                 10    1024   1024   Forwarding                   untagged

root@SW1> show vlans 

Routing instance        VLAN name             Tag          Interfaces
default-switch          VLAN10                10       
                                                           xe-0/0/0.0*
                                                           xe-0/0/1.0*
default-switch          VLAN20                20       
                                                           xe-0/0/0.0*
                                                           xe-0/0/2.0*
default-switch          default               1

• 'vlan-tagging' 명령이 없으면 'unit 0'만 생성 가능

 

2) Inter-VLAN 통신 확인