{"id":3634,"date":"2023-05-02T07:26:23","date_gmt":"2023-05-02T07:26:23","guid":{"rendered":"https:\/\/www.ablenet.co.th\/?p=3634"},"modified":"2023-05-23T14:06:10","modified_gmt":"2023-05-23T14:06:10","slug":"vrrp","status":"publish","type":"post","link":"https:\/\/www.ablenet.co.th\/en\/2023\/05\/02\/vrrp\/","title":{"rendered":"\u0e01\u0e32\u0e23\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01 VRRP \u0e1a\u0e19\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c Cisco"},"content":{"rendered":"<p>VRRP \u0e04\u0e37\u0e2d First Hop Redundancy Protocols \u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33 Redundacy link \u0e0b\u0e36\u0e48\u0e07 VRRP \u0e08\u0e30\u0e04\u0e25\u0e49\u0e32\u0e22\u0e46 \u0e01\u0e31\u0e1a HSRP \u0e41\u0e15\u0e48 VRRP \u0e40\u0e1b\u0e47\u0e19\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07 \u0e17\u0e38\u0e01\u0e22\u0e35\u0e49\u0e2b\u0e49\u0e2d\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e19\u0e33 Protocol \u0e19\u0e35\u0e49\u0e44\u0e1b\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e40\u0e2d\u0e07\u0e44\u0e14\u0e49 \u0e41\u0e15\u0e48 HSRP \u0e40\u0e1b\u0e47\u0e19 Protocol \u0e17\u0e35\u0e48\u0e23\u0e2d\u0e07\u0e23\u0e31\u0e1a\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07 Cisco \u0e40\u0e17\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19<\/p>\n<p>\u0e43\u0e19\u0e1a\u0e17\u0e04\u0e27\u0e32\u0e21\u0e19\u0e35\u0e49 \u0e40\u0e23\u0e32\u0e08\u0e30\u0e21\u0e32\u0e14\u0e39\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01 VRRP \u0e42\u0e14\u0e22 Virtual IP (VIP) \u0e04\u0e37\u0e2d 10.0.128.10<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5398 aligncenter\" src=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/VRRP-article-1.png\" alt=\"\" width=\"640\" height=\"671\" srcset=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/VRRP-article-1.png 640w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/VRRP-article-1-286x300.png 286w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>Initail Setup<\/strong><\/p>\n<p><strong>R1<\/strong><\/p>\n<pre class=\"wp-block-code\"><code>R1(config)#interface GigabitEthernet0\/2\r\nR1(config)# ip address 10.0.128.1 255.2555.255.0\r\n\r\nR1(config-if)# vrrp 10 ip 10.0.128.10\r\nR1(config-if)# vrrp 10 priority 110\r\nR1(config-if)# vrrp 10 preempt\r\n\r\n<\/code><\/pre>\n<p><strong>R2<\/strong>\u00a0(Default Priority of VRRP = 100)<\/p>\n<pre class=\"wp-block-code\"><code>R2(config)# interface GigabitEthernet0\/2\r\nR1(config)# ip address 10.0.128.2 255.2555.255.0\r\nR2(config-if)# vrrp 10 ip 10.0.128.10<\/code><\/pre>\n<h4 id=\"verification\"><strong>Verification<\/strong><\/h4>\n<pre class=\"wp-block-code\"><code>R1#show vrrp br \r\nInterface          Grp Pri Time  Own Pre State   Master addr     Group addr\r\nGi0\/2              10  110 3570       Y  Master  10.0.128.1      10.0.128.10  <\/code><\/pre>\n<h3 id=\"interfacetracking\">Interface Tracking<\/h3>\n<p>\u0e43\u0e19\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e16\u0e31\u0e14\u0e44\u0e1b\u0e40 \u0e40\u0e23\u0e32\u0e08\u0e30\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01 Interface tracking \u0e40\u0e21\u0e37\u0e48\u0e2d Interface Gi0\/1 \u0e40\u0e01\u0e34\u0e14 Down \u0e43\u0e2b\u0e49 VRRP Priority \u0e02\u0e2d\u0e07 R1 \u0e25\u0e14\u0e25\u0e07 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49 R2 \u0e17\u0e35\u0e48\u0e21\u0e35 Priority \u0e21\u0e32\u0e01\u0e01\u0e27\u0e48\u0e32 Forward Traffic \u0e41\u0e17\u0e19 \u0e40\u0e0a\u0e48\u0e19 \u0e43\u0e19\u0e2a\u0e16\u0e32\u0e19\u0e01\u0e32\u0e23\u0e13\u0e4c \u0e1b\u0e01\u0e15\u0e34 R1 \u0e21\u0e35\u0e04\u0e48\u0e32 Priority = 110 \u0e41\u0e15\u0e48\u0e40\u0e21\u0e37\u0e48\u0e2d Uplink \u0e02\u0e2d\u0e07 R1 Down \u0e08\u0e30\u0e16\u0e39\u0e01\u0e25\u0e14\u0e04\u0e48\u0e32 Priority \u0e40\u0e2b\u0e25\u0e37\u0e2d 90 \u0e17\u0e33\u0e43\u0e2b\u0e49 R2 \u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32 Priority 100 (By default) \u0e17\u0e33\u0e07\u0e32\u0e19\u0e40\u0e1b\u0e47\u0e19 Master \u0e41\u0e17\u0e19<\/p>\n<p><strong>R1\u00a0<\/strong><\/p>\n<pre class=\"wp-block-code\"><code>R1(config)# track 1 interface gi0\/1 line-protocol \r\nR1(config)#int gi0\/2\r\nR1(config-if)#vrrp 10 track 1 decrement 20\r\n<\/code><\/pre>\n<h4 id=\"verification\"><strong>Verification<\/strong><\/h4>\n<p>\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01\u0e02\u0e2d\u0e07\u0e40\u0e23\u0e32\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07 \u0e42\u0e14\u0e22\u0e01\u0e32\u0e23 Shutdown Interface Gi0\/1 \u0e41\u0e25\u0e30\u0e08\u0e30\u0e40\u0e2b\u0e47\u0e19\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c\u0e14\u0e31\u0e07\u0e19\u0e35\u0e49<\/p>\n<pre class=\"wp-block-code\"><code>*Nov  30 04:19:46.809: %VRRP-6-STATECHANGE: Gi0\/2 Grp 10 state Master -&gt; Backup<\/code><\/pre>\n<p>\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e23\u0e32\u0e43\u0e0a\u0e49\u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07 show vrrp \u0e40\u0e23\u0e32\u0e08\u0e30\u0e40\u0e2b\u0e47\u0e19\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c\u0e14\u0e31\u0e07\u0e19\u0e35\u0e49<\/p>\n<pre class=\"wp-block-code\"><code>R1(config)# do show vrrp\r\nGigabitEthernet0\/2 - Group 10 \r\n  State is Backup  \r\n  Virtual IP address is 10.0.128.10\r\n  Virtual MAC address is 0000.5e00.010a\r\n  Advertisement interval is 1.000 sec\r\n  Preemption enabled\r\n  *Priority is 90  (cfgd 110)*\r\n  <span class=\"has-inline-color has-luminous-vivid-orange-color\">  *Track object 1 state Down decrement 20*<\/span>\r\n <span class=\"has-inline-color has-luminous-vivid-orange-color\"> Master Router is 10.0.128.2, priority is 100 <\/span>\r\n  Master Advertisement interval is 1.000 sec\r\n  Master Down interval is 3.570 sec (expires in 3.243 sec)\r\nAuthentication<\/code><\/pre>\n<h3 id=\"authentication\"><strong>Authentication<\/strong><\/h3>\n<p>\u0e2b\u0e32\u0e01\u0e40\u0e23\u0e32\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19 VRRP \u0e40\u0e23\u0e32\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01 Authentication \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14 Authentication key \u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23 Peer \u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07 Router \u0e43\u0e19 VRRP Group \u0e44\u0e14\u0e49<\/p>\n<p><strong>R1\/R2<\/strong><\/p>\n<pre class=\"wp-block-code\"><code>R1\/R2(config-if)# vrrp 10 authentication md5 key-string Cisco@123\r\n<\/code><\/pre>\n<h4 id=\"verification\"><strong>Verification<\/strong><\/h4>\n<pre class=\"wp-block-code\"><code>R1# show vrrp\r\nGigabitEthernet0\/2 - Group 10 \r\n  State is Master  \r\n  Virtual IP address is 10.0.128.10\r\n  Virtual MAC address is 0000.5e00.010a\r\n  Advertisement interval is 1.000 sec\r\n  Preemption enabled\r\n  Priority is 110 \r\n    Track object 1 state Up decrement 20\r\n  <span class=\"has-inline-color has-luminous-vivid-orange-color\">*Authentication MD5, key-string*<\/span>\r\n  Master Router is 10.0.128.1 (local), priority is 110 \r\n  Master Advertisement interval is 1.000 sec\r\n  Master Down interval is 3.570 sec\r\nReferences<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p><strong>References\u00a0<\/strong><\/p>\n<ul>\n<li>https:\/\/www.pearsonitcertification.com\/articles\/article.aspx?p=2141275<\/li>\n<li>https:\/\/www.packetcoders.io\/cisco-ios-first-hop-redundancy-protocols-vrrp-part-2\/<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>VRRP \u0e04\u0e37\u0e2d First Hop Redundancy Protocols \u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33 Redundacy link \u0e0b\u0e36\u0e48\u0e07 VRRP \u0e08\u0e30\u0e04\u0e25\u0e49\u0e32\u0e22\u0e46 \u0e01\u0e31\u0e1a HSRP \u0e41\u0e15\u0e48 VRRP \u0e40\u0e1b\u0e47\u0e19\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07 \u0e17\u0e38\u0e01\u0e22\u0e35\u0e49\u0e2b\u0e49\u0e2d\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e19\u0e33 Protocol \u0e19\u0e35\u0e49\u0e44\u0e1b\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e40\u0e2d\u0e07\u0e44\u0e14\u0e49 \u0e41\u0e15\u0e48 HSRP \u0e40\u0e1b\u0e47\u0e19 Protocol \u0e17\u0e35\u0e48\u0e23\u0e2d\u0e07\u0e23\u0e31\u0e1a\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07 Cisco \u0e40\u0e17\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e43\u0e19\u0e1a\u0e17\u0e04\u0e27\u0e32\u0e21\u0e19\u0e35\u0e49 \u0e40\u0e23\u0e32\u0e08\u0e30\u0e21\u0e32\u0e14\u0e39\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e04\u0e2d\u0e19\u0e1f\u0e34\u0e01 VRRP \u0e42\u0e14\u0e22 Virtual IP (VIP) \u0e04\u0e37\u0e2d 10.0.128.10 Initail Setup R1 R1(config)#interface GigabitEthernet0\/2 R1(config)# ip address 10.0.128.1 255.2555.255.0 R1(config-if)# vrrp 10 ip 10.0.128.10 R1(config-if)# vrrp 10 priority [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3636,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[63,95,161,96,384],"class_list":["post-3634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","tag-cisco","tag-cisco-router","tag-cisco-switch","tag-fhrp","tag-vrrp"],"_links":{"self":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/comments?post=3634"}],"version-history":[{"count":2,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3634\/revisions"}],"predecessor-version":[{"id":5399,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3634\/revisions\/5399"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/media\/3636"}],"wp:attachment":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/media?parent=3634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/categories?post=3634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/tags?post=3634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}