Introduction to HSRP
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Network/VRRP
1. Introduction to HSRP1) Introduction to HSRP처음에는 Cisco 전용 Gateway Redundancy Protocol이었지만 RFC 2281로 표준으로 정의전반적인 개념은 VRRP와 동일 2) HSRP VersionVersionDescriptionVersion 1 (Default)∘ HSRP 그룹 범위 : 0~255 ∘ VMAC Address : 0000.0c07.ACXX  - XX = HSRP Group Number ∘ Hello Packet Address : 224.0.0.2Version 2∘ HSRP 그룹 범위 : 0~4095 ∘ VMAC Address : 0000.0c9f.fXXX  - XXX = HSRP Group Number ∘ Hello Packet A..
VRRP with RPM and Event-option Configuration(Juniper vMX)
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Network/VRRP
1. VRRP with RPM and Event-option Configuration 구성도1) VRRP with RPM and Event-option Configuration 구성도RPM(Real-Time Performance Monitoring)은 Cisco의 IP SLA와 비슷한 역할을 수행Event-Option은 Cisco의 EEM과 비슷한 역할을 수행 2) 테스트 장비Emulator : EVE-NG OS : Juniper vMX 18.2R1.9  2. VRRP with RPM and Event-option Configuration1) VRRP Configuration더보기set bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN10 routing-..
VRRP Load Balancing Configuration(Juniper vMX)
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Network/VRRP
1. VRRP Load Balancing Configuration 구성도1) VRRP Load Balancing Configuration 구성도 2) 테스트 장비Emulator : EVE-NG OS : Juniper vMX 18.2R1.9  2. VRRP Load Balancing Configuration1) VLAN Configurationset bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN20 vlan-id 20set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set inter..
VRRP Basic Configuration(Juniper vMX)
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Network/VRRP
1. VRRP Basic Configuration 구성도1) VRRP Basic Configuration 구성도 2) 테스트 장비Emulator : EVE-NG OS : Juniper vMX 18.2R1.9  2. VRRP Basic Configuration1) VLAN Configurationset bridge-domains VLAN10 vlan-id 10set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set bridge-domains VLAN10 vlan-id 10set interfaces ge-0/0/1 unit 0 famil..
VRRP Route Track 동작 과정
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Network/VRRP
1. VRRP Route Track 동작 과정1) 구성도 및 Configuration더보기set bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN10 routing-interface irb.10set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set interfaces irb unit 10 family inet address 10.0.0.2/24 vrrp-group 10 virtual-address 10.0.0.1set interfaces irb unit 10 family inet a..
VRRP Interface Track 동작 과정
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Network/VRRP
1. VRRP Interface Track 동작 과정1) 구성도 및 Configuration더보기set bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN10 routing-interface irb.10set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set interfaces irb unit 10 family inet address 10.0.0.2/24 vrrp-group 10 virtual-address 10.0.0.1set interfaces irb unit 10 family in..
VRRP Preempt Hold-Time(Delay) 동작 과정
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Network/VRRP
1. VRRP Preempt Hold-Time(Delay) 동작 과정1) 구성도 및 Configuration더보기set interfaces ge-0/0/0 unit 0 family inet address 1.1.2.1/24set interfaces ge-0/0/1 unit 0 family inet address 1.1.3.1/24set interfaces lo0 unit 0 family inet address 1.1.1.1/32set protocols ospf area 0.0.0.0 interface lo0.0set protocols ospf area 0.0.0.0 interface ge-0/0/0.0set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 metri..
VRRP Preempt 동작 과정
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Network/VRRP
1. VRRP(Virtual Router Redundancy Protocol) Preempt 동작 과정1) 구성도 및 Configuration더보기set bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN10 routing-interface irb.10set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set interfaces irb unit 10 family inet address 10.0.0.2/24 vrrp-group 10 virtual-address 10.0.0.1set inte..
VRRP 동작 과정
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Network/VRRP
1. VRRP(Virtual Router Redundancy Protocol) 동작 과정1) 구성도 및 Configuration더보기set bridge-domains VLAN10 vlan-id 10set bridge-domains VLAN10 routing-interface irb.10set interfaces ge-0/0/1 unit 0 family bridge interface-mode trunkset interfaces ge-0/0/1 unit 0 family bridge vlan-id-list 10set interfaces irb unit 10 family inet address 10.0.0.2/24 vrrp-group 10 virtual-address 10.0.0.1set interfaces i..
VRRP Header
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Network/VRRP
1. VRRP Header1) VRRP Header(1) Version RFC 3768에 정의된 VRRP Version 2를 사용  (2) Type VRRPv2에 정의된 VRRP Type을 지정RFC 3768에서 유일하게 'Advertisement'만 정의Type을 알 수 없는 VRRP 패킷은 Discard  (3) Virtual R-ID Virtual Router를 식별하기 위한 값 1~255 사용 가능 (4) Priority VRRP Virtual Router의 우선순위를 지정 값이 클수록 우선순위가 높은 것0~255 내에서 사용 가능0 : Master 선출 과정에 참여하지 않음255 : Owner Router  (5) Count IP Address 해당 VRRP Advertisement에 포함된 I..