{"id":477048,"date":"2023-08-09T09:06:26","date_gmt":"2023-08-09T09:06:26","guid":{"rendered":""},"modified":"2023-09-05T11:13:55","modified_gmt":"2023-09-05T11:13:55","slug":"eigrp","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/eigrp\/","title":{"rendered":"EIGRP"},"content":{"rendered":"<p>Giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn c\u1ed5ng n\u1ed9i b\u1ed9 n\u00e2ng cao (EIGRP) l\u00e0 giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn vect\u01a1 kho\u1ea3ng c\u00e1ch \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng m\u00e1y t\u00ednh \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn hi\u1ec7u qu\u1ea3 c\u00e1c g\u00f3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Cisco Systems, EIGRP l\u00e0 m\u1ed9t giao th\u1ee9c ti\u00ean ti\u1ebfn v\u00e0 ph\u1ee9c t\u1ea1p cung c\u1ea5p kh\u1ea3 n\u0103ng h\u1ed9i t\u1ee5, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng c\u00f3 v\u00f2ng l\u1eb7p nhanh ch\u00f3ng. N\u00f3 thu\u1ed9c danh m\u1ee5c giao th\u1ee9c c\u1ed5ng n\u1ed9i b\u1ed9 (IGP), \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng t\u1ef1 tr\u1ecb (AS).<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a EIGRP v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>EIGRP l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c Cisco gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 1992 d\u01b0\u1edbi d\u1ea1ng giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n. Vi\u1ec7c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn EIGRP l\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb t\u00e0i li\u1ec7u c\u1ee7a Cisco v\u00e0o kho\u1ea3ng gi\u1eefa nh\u1eefng n\u0103m 1990. L\u00e0 phi\u00ean b\u1ea3n k\u1ebf th\u1eeba c\u1ee7a Giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn c\u1ed5ng n\u1ed9i b\u1ed9 (IGRP), EIGRP \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c h\u1ea1n ch\u1ebf c\u1ee7a IGRP v\u00e0 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t h\u01a1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 EIGRP: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>EIGRP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t giao th\u1ee9c vect\u01a1 kho\u1ea3ng c\u00e1ch ti\u00ean ti\u1ebfn, k\u1ebft h\u1ee3p c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 giao th\u1ee9c vect\u01a1 kho\u1ea3ng c\u00e1ch v\u00e0 tr\u1ea1ng th\u00e1i li\u00ean k\u1ebft. N\u00f3 s\u1eed d\u1ee5ng Thu\u1eadt to\u00e1n c\u1eadp nh\u1eadt khu\u1ebfch t\u00e1n (DUAL) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u. DUAL \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng c\u00f3 v\u00f2ng l\u1eb7p trong khi v\u1eabn duy tr\u00ec nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn \u0111\u00edch \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ef1 ph\u00f2ng.<\/p>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c giao th\u1ee9c vect\u01a1 kho\u1ea3ng c\u00e1ch truy\u1ec1n th\u1ed1ng ph\u00e1t \u0111\u1ecbnh k\u1ef3 to\u00e0n b\u1ed9 b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a ch\u00fang, EIGRP ch\u1ec9 g\u1eedi c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt gia t\u0103ng khi c\u00f3 thay \u0111\u1ed5i trong c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng. H\u00e0nh vi n\u00e0y l\u00e0m gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 b\u1ea3o t\u1ed3n b\u0103ng th\u00f4ng, gi\u00fap EIGRP hi\u1ec7u qu\u1ea3 h\u01a1n c\u00e1c giao th\u1ee9c vect\u01a1 kho\u1ea3ng c\u00e1ch th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>EIGRP s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 s\u1ed1 li\u1ec7u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, bao g\u1ed3m b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, \u0111\u1ed9 tin c\u1eady, t\u1ea3i v\u00e0 MTU (\u0110\u01a1n v\u1ecb truy\u1ec1n t\u1ed1i \u0111a). C\u00e1c s\u1ed1 li\u1ec7u n\u00e0y cho ph\u00e9p EIGRP \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng th\u1eddi gian th\u1ef1c.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a EIGRP: EIGRP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>EIGRP ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean giao th\u1ee9c truy\u1ec1n t\u1ea3i \u0111\u00e1ng tin c\u1eady, ch\u1eb3ng h\u1ea1n nh\u01b0 TCP (Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n t\u1ea3i) ho\u1eb7c giao th\u1ee9c \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, Giao th\u1ee9c truy\u1ec1n t\u1ea3i \u0111\u00e1ng tin c\u1eady (RTP). Vi\u1ec7c v\u1eadn chuy\u1ec3n \u0111\u00e1ng tin c\u1eady n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c g\u00f3i EIGRP \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i ch\u00ednh x\u00e1c v\u00e0 theo tr\u00ecnh t\u1ef1.<\/p>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh trong c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a EIGRP bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Kh\u00e1m ph\u00e1 h\u00e0ng x\u00f3m<\/strong>: B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn EIGRP thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 h\u00e0ng x\u00f3m v\u1edbi c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00e1c trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 tr\u1ecb. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c trao \u0111\u1ed5i c\u00e1c g\u00f3i Hello v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c v\u00f9ng l\u00e2n c\u1eadn.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3ng c\u1ea5u tr\u00fac li\u00ean k\u1ebft<\/strong>: M\u1ed7i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn EIGRP duy tr\u00ec m\u1ed9t b\u1ea3ng c\u1ea5u tr\u00fac li\u00ean k\u1ebft ch\u1ee9a th\u00f4ng tin v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m \u0111\u1ebfn c\u00f3 th\u1ec3 truy c\u1eadp trong m\u1ea1ng. B\u1ea3ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1eddng \u0111i t\u1ed1t nh\u1ea5t t\u1edbi t\u1eebng \u0111\u00edch.<\/p>\n<\/li>\n<li>\n<p><strong>C\u01a1 s\u1edf th\u00f4ng tin \u0111\u1ecbnh tuy\u1ebfn (RIB)<\/strong>: RIB l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng t\u1ed1t nh\u1ea5t \u0111\u1ebfn t\u1eebng \u0111\u00edch, \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb b\u1ea3ng c\u1ea5u tr\u00fac li\u00ean k\u1ebft.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e1y tr\u1ea1ng th\u00e1i h\u1eefu h\u1ea1n DUAL<\/strong>: DUAL ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u00ednh to\u00e1n \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t v\u00e0 duy tr\u00ec c\u00e1c \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng c\u00f3 v\u00f2ng l\u1eb7p. N\u00f3 gi\u00fap EIGRP ph\u1ee5c h\u1ed3i sau c\u00e1c l\u1ed7i li\u00ean k\u1ebft v\u00e0 t\u00ecm \u0111\u01b0\u1eddng d\u1eabn thay th\u1ebf m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a EIGRP<\/h2>\n<p>EIGRP t\u1ef1 h\u00e0o c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn n\u00f3 kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn kh\u00e1c:<\/p>\n<ol>\n<li>\n<p><strong>H\u1ed9i t\u1ee5 nhanh<\/strong>: Thu\u1eadt to\u00e1n DUAL c\u1ee7a EIGRP cho ph\u00e9p h\u1ed9i t\u1ee5 nhanh ch\u00f3ng trong tr\u01b0\u1eddng h\u1ee3p c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng thay \u0111\u1ed5i. N\u00f3 gi\u1ea3m thi\u1ec3u th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ed9i t\u1ee5 l\u1ea1i v\u00e0 th\u00edch \u1ee9ng v\u1edbi c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng m\u1edbi, t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: EIGRP c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng tr\u00ean nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u1eafc ngh\u1ebdn m\u1ea1ng v\u00e0 s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng s\u1eb5n c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00f3m t\u1eaft tuy\u1ebfn \u0111\u01b0\u1eddng<\/strong>: EIGRP h\u1ed7 tr\u1ee3 t\u00f3m t\u1eaft tuy\u1ebfn \u0111\u01b0\u1eddng, cho ph\u00e9p c\u00e1c m\u1ea1ng \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ed7 tr\u1ee3 VLSM<\/strong>: EIGRP t\u01b0\u01a1ng th\u00edch v\u1edbi M\u1eb7t n\u1ea1 m\u1ea1ng con c\u00f3 \u0111\u1ed9 d\u00e0i thay \u0111\u1ed5i (VLSM), cho ph\u00e9p \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 linh ho\u1ea1t h\u01a1n v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IP.<\/p>\n<\/li>\n<li>\n<p><strong>X\u00e1c th\u1ef1c<\/strong>: EIGRP cung c\u1ea5p c\u00e1c c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c an to\u00e0n gi\u1eefa c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o th\u00f4ng tin \u0111\u1ecbnh tuy\u1ebfn.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i EIGRP<\/h2>\n<p>EIGRP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh hai lo\u1ea1i:<\/p>\n<ol>\n<li>\n<p><strong>EIGRP c\u1ed5 \u0111i\u1ec3n<\/strong>: \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n c\u1ee7a EIGRP ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 tr\u1ecb duy nh\u1ea5t (AS).<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ea1ng di\u1ec7n r\u1ed9ng (WAN) EIGRP<\/strong>: Phi\u00ean b\u1ea3n n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng l\u1edbn tr\u1ea3i r\u1ed9ng tr\u00ean nhi\u1ec1u AS. N\u00f3 cho ph\u00e9p \u0111\u1ecbnh tuy\u1ebfn hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 tr\u1ecb kh\u00e1c nhau.<\/p>\n<\/li>\n<\/ol>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh c\u1ee7a hai lo\u1ea1i:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>EIGRP c\u1ed5 \u0111i\u1ec3n<\/th>\n<th>WAN EIGRP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>NH\u01af \u0111\u01a1n<\/td>\n<td>Nhi\u1ec1u NH\u01af<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td>Th\u00edch h\u1ee3p cho m\u1ea1ng c\u1ee1 trung b\u00ecnh<\/td>\n<td>Th\u00edch h\u1ee3p cho m\u1ea1ng quy m\u00f4 l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5u h\u00ecnh<\/td>\n<td>T\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n h\u01a1n<\/td>\n<td>Y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh b\u1ed5 sung<\/td>\n<\/tr>\n<tr>\n<td>L\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng d\u1eabn<\/td>\n<td>T\u1eadp trung v\u00e0o c\u00e1c tuy\u1ebfn n\u1ed9i \u0111\u1ecba<\/td>\n<td>X\u1eed l\u00fd c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng li\u00ean AS v\u00e0 b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng EIGRP, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>EIGRP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p do t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a n\u00f3. N\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau, n\u01a1i c\u1ea7n c\u00f3 s\u1ef1 h\u1ed9i t\u1ee5 v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i nhanh.<\/p>\n<p>Tuy nhi\u00ean, m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n c\u00f3 th\u1ec3 ph\u00e1t sinh khi s\u1eed d\u1ee5ng EIGRP:<\/p>\n<ol>\n<li>\n<p><strong>S\u1ef1 b\u1ea5t \u1ed5n c\u1ee7a c\u1ea5u tr\u00fac li\u00ean k\u1ebft<\/strong>: Nh\u1eefng thay \u0111\u1ed5i nhanh ch\u00f3ng trong c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng gi\u00e1n \u0111o\u1ea1n tuy\u1ebfn \u0111\u01b0\u1eddng v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh. Thi\u1ebft k\u1ebf m\u1ea1ng ph\u00f9 h\u1ee3p v\u00e0 t\u00f3m t\u1eaft tuy\u1ebfn \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i chi ph\u00ed kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/strong>: EIGRP kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u tr\u00ean nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn v\u1edbi c\u00e1c chi ph\u00ed kh\u00e1c nhau. S\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh ph\u01b0\u01a1ng sai \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>V\u1ea5n \u0111\u1ec1 x\u00e1c th\u1ef1c<\/strong>: C\u00e0i \u0111\u1eb7t x\u00e1c th\u1ef1c b\u1ecb \u0111\u1ecbnh c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i l\u00e2n c\u1eadn. \u0110\u1ea3m b\u1ea3o c\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c nh\u1ea5t qu\u00e1n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<\/li>\n<li>\n<p><strong>Th\u1eed th\u00e1ch m\u1edf r\u1ed9ng quy m\u00f4<\/strong>: Trong c\u00e1c m\u1ea1ng c\u1ef1c l\u1edbn, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a EIGRP c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed1i lo ng\u1ea1i. Vi\u1ec7c tri\u1ec3n khai c\u00e1c thi\u1ebft k\u1ebf m\u1ea1ng ph\u00e2n c\u1ea5p c\u00f3 th\u1ec3 gi\u00fap qu\u1ea3n l\u00fd kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>H\u00e3y so s\u00e1nh EIGRP v\u1edbi c\u00e1c giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn kh\u00e1c:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>EIGRP<\/th>\n<th>OSPF<\/th>\n<th>X\u00c9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Lo\u1ea1i giao th\u1ee9c<\/td>\n<td>Vector kho\u1ea3ng c\u00e1ch n\u00e2ng cao<\/td>\n<td>Li\u00ean k\u1ebft nh\u00e0 n\u01b0\u1edbc<\/td>\n<td>Kho\u1ea3ng c\u00e1ch-vector<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 h\u1ed9i t\u1ee5<\/td>\n<td>Nhanh<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Ch\u1eadm<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao<\/td>\n<td>Th\u00edch h\u1ee3p cho m\u1ea1ng l\u1edbn<\/td>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ec9 s\u1ed1 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng d\u1eabn<\/td>\n<td>B\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, \u0111\u1ed9 tin c\u1eady, t\u1ea3i, MTU<\/td>\n<td>Chi ph\u00ed, b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, \u0111\u1ed9 tin c\u1eady<\/td>\n<td>S\u1ed1 b\u01b0\u1edbc nh\u1ea3y<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 VLSM<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c th\u1ef1c<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn EIGRP<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, EIGRP c\u00f3 th\u1ec3 s\u1ebd c\u00f3 nh\u1eefng c\u1ea3i ti\u1ebfn v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u01a1n n\u1eefa \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. S\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o:<\/p>\n<ol>\n<li>\n<p><strong>T\u00edch h\u1ee3p IPv6<\/strong>: T\u0103ng c\u01b0\u1eddng EIGRP \u0111\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 IPv6 khi vi\u1ec7c \u00e1p d\u1ee5ng IPv6 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>SDN v\u00e0 T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong>: T\u00edch h\u1ee3p v\u1edbi M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN) v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 cung c\u1ea5p m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3o m\u1eadt n\u00e2ng cao<\/strong>: T\u0103ng c\u01b0\u1eddng c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c v\u00e0 k\u1ebft h\u1ee3p c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt \u0111\u1ec3 b\u1ea3o v\u1ec7 tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1edbi n\u1ed5i.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi EIGRP<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy, v\u1edbi vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, ch\u1ee7 y\u1ebfu ph\u1ee5c v\u1ee5 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt, hi\u1ec7u su\u1ea5t v\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m trong m\u1ea1ng. M\u1eb7c d\u00f9 EIGRP ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 kh\u00f4ng li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y ch\u1ee7 proxy, nh\u01b0ng m\u00e1y ch\u1ee7 proxy v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi EIGRP theo c\u00e1c c\u00e1ch sau:<\/p>\n<ol>\n<li>\n<p><strong>B\u1ed9 nh\u1edb \u0111\u1ec7m proxy web<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m n\u1ed9i dung web \u0111\u01b0\u1ee3c truy c\u1eadp th\u01b0\u1eddng xuy\u00ean, gi\u1ea3m l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp qua m\u1ea1ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3.<\/p>\n<\/li>\n<li>\n<p><strong>Ki\u1ec3m so\u00e1t truy c\u1eadp<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp, b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt cho m\u1ea1ng c\u00f9ng v\u1edbi c\u00e1c c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c c\u1ee7a EIGRP.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: K\u1ebft h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee7a EIGRP, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i th\u00eam l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean m\u1ea1ng.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 EIGRP, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li>T\u00e0i li\u1ec7u EIGRP ch\u00ednh th\u1ee9c c\u1ee7a Cisco: <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/enhanced-interior-gateway-routing-protocol-eigrp\/tsd-products-support-series-home.html\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/enhanced-interior-gateway-routing-protocol-eigrp\/tsd-products-support-series-home.html<\/a><\/li>\n<li>M\u1ea1ng h\u1ecdc t\u1eadp c\u1ee7a Cisco tr\u00ean EIGRP: <a href=\"https:\/\/learningnetwork.cisco.com\/s\/enhanced-interior-gateway-routing-protocol-eigrp\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/learningnetwork.cisco.com\/s\/enhanced-interior-gateway-routing-protocol-eigrp<\/a><\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, EIGRP l\u00e0 m\u1ed9t giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t, cung c\u1ea5p kh\u1ea3 n\u0103ng h\u1ed9i t\u1ee5 nhanh, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 \u0111\u1ecbnh tuy\u1ebfn hi\u1ec7u qu\u1ea3 trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p l\u1edbn. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m vect\u01a1 kho\u1ea3ng c\u00e1ch v\u00e0 tr\u1ea1ng th\u00e1i li\u00ean k\u1ebft l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb cho c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng \u0111ang t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1ecbnh tuy\u1ebfn \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, EIGRP c\u00f3 th\u1ec3 s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1ea1ng m\u1edbi n\u1ed5i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"featured_media":477049,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477048","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Enhanced Interior Gateway Routing Protocol (EIGRP): A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is EIGRP?","answer":"<p>EIGRP, which stands for Enhanced Interior Gateway Routing Protocol, is a dynamic and sophisticated routing protocol used in computer networks for efficient data packet routing between interconnected routers. Developed by Cisco Systems, EIGRP provides rapid convergence, load balancing, and loop-free path selection within an autonomous system (AS).<\/p>"},{"question":"How does EIGRP work?","answer":"<p>EIGRP operates as an advanced distance-vector protocol, using the Diffusing Update Algorithm (DUAL) to determine the best path for routing data. It sends incremental updates instead of broadcasting entire routing tables, reducing network traffic and conserving bandwidth. EIGRP also utilizes metrics like bandwidth, delay, reliability, load, and MTU for intelligent routing decisions.<\/p>"},{"question":"What are the key features of EIGRP?","answer":"<p>EIGRP offers several key features, including fast convergence, load balancing, route summarization, support for Variable Length Subnet Masks (VLSM), and authentication mechanisms to secure communication between routers.<\/p>"},{"question":"What types of EIGRP are there?","answer":"<p>EIGRP can be classified into two types: Classic EIGRP, which operates within a single AS, and WAN EIGRP, designed for large networks spanning multiple ASs. Classic EIGRP is suitable for medium-sized networks, while WAN EIGRP addresses large-scale network requirements.<\/p>"},{"question":"How is EIGRP compared to other routing protocols?","answer":"<p>In comparison with other protocols like OSPF and RIP, EIGRP excels in fast convergence, scalability, and support for multiple path selection metrics. It also supports VLSM, while RIP does not, and offers authentication capabilities, which OSPF also provides.<\/p>"},{"question":"What are the potential issues with using EIGRP?","answer":"<p>While EIGRP is a robust protocol, there are potential challenges, including topology instabilities due to rapid network changes, unequal cost load balancing, and scaling issues in extremely large networks. Proper network design, summarization, and hierarchical structures can address these problems.<\/p>"},{"question":"How can proxy servers complement EIGRP?","answer":"<p>Proxy servers, while not directly related to EIGRP, can be used alongside it to improve performance, caching, access control, and load balancing in the network. They add an extra layer of security and help optimize network resources when used in combination with EIGRP's capabilities.<\/p>"},{"question":"What does the future hold for EIGRP?","answer":"<p>As technology evolves, EIGRP is likely to see advancements, such as full support for IPv6, integration with SDN and automation, and enhanced security features to protect against emerging threats. Cisco's continuous development and integration with modern networking technologies ensure EIGRP's relevance in the future.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477048\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477049"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}