VRF ( Virtual Routing and Forwarding ) ã¨ã¯â—†ã€€VRFã¨ã¯ VRF（Virtual Routing and Forwarding）ã¯ã€1ã¤ã®ãƒ«ãƒ¼ã‚¿ä¸Šã§ç‹¬ç«‹ã—ãŸè¤‡æ•°ã®ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ãƒ†ãƒ¼ãƒ–ルをä¿æŒ ã§ãる技術ã§ã™ã€‚VRFã«ã‚ˆã‚Šã€1å°ã®ãƒ«ãƒ¼ã‚¿ä¸Šã§ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã”ã¨ã«ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ãƒ†ãƒ¼ãƒ–ルをä¿æŒã™ã‚‹ã“ã¨ãŒ ã§ãã‚‹ãŸã‚ã€ä¾‹ãˆã°ã‚«ã‚¹ã‚¿ãƒžãƒ¼ã”ã¨ã«ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ãƒ†ãƒ¼ãƒ–ルをä¿æŒã§ãã¾ã™ã€‚VRFã®æŠ€è¡“を実装ã•ã›ã‚‹ã“ã¨ã§ã€ IP-VPNã®ã‚ˆã†ãªWANサービスを実ç¾ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚IP-VPNã§ã¯ã€MPLSã®æŠ€è¡“ãŒä½¿ç”¨ã•ã‚Œã¦ã„ã¾ã™ã¨ 説明ã—ã¾ã—ãŸãŒã€ãã®ä»–ã«ã‚‚今回紹介ã™ã‚‹VRFã®æŠ€è¡“ãŒä½¿ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚ ◆　VRF - åŸºæœ¬æ§‹æˆ IP-VPNã«ãŠã„ã¦VRFã®è¨å®šã¯PEルータã§å®Ÿè£…ã•ã‚Œã¾ã™ã€‚ã“ã®PEルータã¯ã€MPLS網ã®LERã«ã‚ãŸã‚‹ãƒ«ãƒ¼ã‚¿ã§ã™ã€‚ IP-VPNã§ã‚«ã‚¹ã‚¿ãƒžãƒ¼ã‹ã‚‰é€ä¿¡ã•ã‚Œã¦ãã‚‹IPパケットã«ã¯ã€ãƒ©ãƒ™ãƒ«ä»˜ã‘もタグ付ã‘ã‚‚ãªã„IPパケットã§ã‚ã‚‹ãŸã‚〠PE
特集：MPLS技術ã¨ãã®æœ€æ–°å‹•å‘を知る - Part.1
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