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1.5 MPLS VPNÀ©Õ¹Ó¦ÓÃ

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1.5.1 Èý²ã MPLS VPNÒµÎñ

»ùÓÚIETF RFC 2547bisµÄÈý²ã MPLS VPNÄܹ»ÎªXXXXÌṩһÏî·Ç³£ÎüÒýÈ˵ġ¢»ùÓÚYYYYÏµÍ³ÍøÂçµÄ¶àÖÖÒµÎñ£¬°ïÖúYYYYϵͳϵͳ´Ó·ÓɵÄÄ£Ê½Ç¨ÒÆµ½Ò»ÖÖµ¥Íø¶àÒµÎñµÄģʽ¡£ÔÚVPNģʽÖУ¬VPN·ÓÉÈ«²¿½»ÓɹǸÉÍø½øÐйÜÀí£¬Í¨¹ý½Ó¹ÜÍøÂç·ÓÉ£¬YYYYϵͳϵͳ¿ÉÒÔΪÄÇЩ²»Ô¸Òâ¹ÜÀí¸´ÔÓIP·Óɵĸ÷¼¶µ¥Î»YYYYϵͳÌṩºÏÊʵķþÎñ¡£¶øÔڹǸÉÍøÓë¸÷¼¶µ¥Î»Ö®¼ä£¬Ö»ÐèÅäÖÃÏàͬµÄ·ÓÉЭÒ飺°üÀ¨¾²Ì¬Â·ÓÉ£¬RIPv2£¬ IS-IS£¬ºÍEBGP¡£

1.5.2 ¶þ²ã MPLS VPNÒµÎñ

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1.5.3 »ùÓÚMartiniµÄ¶þ²ãMPLS VPN

Martini²Ý°¸ÊÇ»ùÓÚMPLSµÄ¶þ²ãVPNÊÇÒ»ÖÖµã¶ÔµãµÄ½â¾ö·½°¸¡£¿ÉÒÔÖ§³ÖµÄ¶þ²ã¼¼ÊõÖ÷ÒªÓУºÖ¡Öм̡¢ATM AAL5 CPCSģʽ¡¢ATM͸Ã÷ÐÅԪģʽ¡¢ÒÔÌ«Íø¡¢ÒÔÌ«ÍøVLAN¡¢HDLC¡¢PPP¡¢SONET/SDHÁ´Â··ÂÕæ·þÎñ¡£

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Kompella²Ý°¸µÄ»ùÓÚMPLSµÄ¶þ²ãVPNÒ²ÊÇÒ»ÖÖµã¶ÔµãµÄ½â¾ö·½°¸¡£µ«ºÍMartini·½Ê½Ïà±È£¬KompellaµÄÓÅÊÆÊÇÒýÈëÁËVPNµÄ×Ô¶¯·¢ÏÖ»úÖÆ£¬ÔÚÍøÂç³õʼ»¯Ê±ÐèÒª¶ÔVPNµÄËùÓÐÕ¾µã½øÐÐÅäÖã¬Ò»µ©³õʼ»¯Íê³Éºó£¬Ö»Ðè¶ÔÐÂÌí¼ÓµÄÕ¾µã½øÐÐÅäÖ㬶ø²»±Ø´¥¼°ÒÑÅäÖõÄÕ¾µã¡£KompellaµÄ×Ô¶¯·¢ÏÖ»úÖÆÊ¹ÓÃBGP×÷ΪVC±êÇ©·ÖÅäµÄÐÅÁÕû¸öVPN½¨Á¢µÄ¹ý³Ì³ä·ÖµØ½è¼øÁËL3 MPLS VPNʵÏÖµÄ˼Ïë¡£PEÖ®¼ä½¨Á¢È«Íø×´µÄIBGP»á»°£¬Ï໥½»»»VPN³ÉÔ±ÐÅÏ¢ºÍVPNÄÜÁ¦µÄЭÉÌ¡£

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1.5.5 VPLS

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