DHCP Relay Agent 필요성 일반적으로 DHCP Message는 Broadcast로 송신되기 때문에 Client와 DHCP Server는 같은 Net이어야 함 - 이와 같은 문제를 해결하기 위해 DHCP Relay Agent라는 개발됨 DHCP Message의 Broadcast Packet을 Unicast로 변경해 Forwarding함 DHCP Relay Agent 동작 과정 - IP 할당 DHCP Relay Agent는 DHCP Message의 Broadcast Packet을 Unicast로 변경함 - 이때 DHCP Message의 Relay Agent IP(=Gateway IP) 필드에 자신의 주소를 기록함 DHCP Server는 D-IP를 Relay Agent IP로 설정해 DHCP Offer와 DHCP Ack를 Unicast로 전송함 - Unicast를 수신한 DHCP Relay Agent는 Message의 Broadcast Flag 값에 따라 D-IP를 Cl...
![[DHCP] DHCP Relay Agent 동작 과정](https://mblogthumb-phinf.pstatic.net/MjAyMjA4MDRfMTIz/MDAxNjU5NTc5OTIyOTc5.0rwo-2peweSBg0VsjGtnpLN85EFLWlbl4ME9CUhh2rAg.i1mXHG-cgAjZ8m4EcYEka_aOwPKiDn7EZBT2ESJj7pog.PNG.choiyoonjun111/image.png?type=w2)
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Ack
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DHCP동작과정
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Discover
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DynamicHostConfigurationProtocol
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Offer
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RelayAgent
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RelayAgent동작과정
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RelayAgent필요성
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Release
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DHCPRequest
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DHCPRelease
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DHCP
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DHCPAck
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DHCPDiscover
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DHCPMessage
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DHCPOffer
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DHCPRelayAgent
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DHCPRelayAgent동작과정
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DHCPRelayAgent필요성
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Request
원문 링크 : [DHCP] DHCP Relay Agent 동작 과정
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