{"id":1254,"date":"2025-05-23T03:02:50","date_gmt":"2025-05-22T18:02:50","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1254"},"modified":"2025-05-31T03:57:54","modified_gmt":"2025-05-30T18:57:54","slug":"mpls%e3%81%a8%e3%81%af","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1254","title":{"rendered":"MPLS\u3068\u306f"},"content":{"rendered":"\n

MPLS\u306f\u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u9ad8\u901f\u8ee2\u9001\u6280\u8853\u3067\u3059<\/p>\n\n\n\n

\u901a\u5e38\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3092\u53c2\u7167\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u884c\u3046\u304c\u3001
MPLS\u306f\u3001\u30e9\u30d9\u30eb\u3067\u8ee2\u9001\u5148\u3092\u6c7a\u3081\u308b\u70ba\u3001\u9ad8\u901f\u306a\u8ee2\u9001\u304c\u53ef\u80fd\u3002<\/p>\n\n\n\n

<\/td>MPLS\u306e\u7279\u5fb4(\u2460)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u9805\u76ee<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
\u30e9\u30d9\u30eb\u8ee2\u9001<\/td>IP\u30d1\u30b1\u30c3\u30c8\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066\u4e2d\u7d99\u3059\u308b\u3002\u30eb\u30fc\u30bf\u30fc\u306f\u30e9\u30d9\u30eb\u3060\u3051\u898b\u3066\u8ee2\u9001\u5148\u3092\u6c7a\u3081\u308b\u3002<\/td><\/tr>
\u9ad8\u901f\u8ee2\u9001<\/td>IP\u30d8\u30c3\u30c0\u306e\u89e3\u6790\u4e0d\u8981\u3067\u9ad8\u901f\u306b\u51e6\u7406\u53ef\u80fd\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/td>\u57fa\u672c\u69cb\u6210<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u8981\u7d20<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
LSR\uff08Label Switch Router\uff09<\/td>MPLS\u30e9\u30d9\u30eb\u3092\u898b\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u4e2d\u7d99\u3059\u308b\u30eb\u30fc\u30bf\u30fc\uff08\u4e2d\u7d99\u30eb\u30fc\u30bf\u30fc\uff09<\/td><\/tr>
LER\uff08Label Edge Router\uff09<\/td>IP\u30d1\u30b1\u30c3\u30c8\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u305f\u308a\u5265\u304c\u3057\u305f\u308a\u3059\u308b<\/strong>\u30eb\u30fc\u30bf\u30fc\uff08\u5883\u754c\uff09<\/td><\/tr>
LDP\uff08Label Distribution Protocol\uff09<\/td>MPLS\u30e9\u30d9\u30eb\u3092\u30eb\u30fc\u30bf\u30fc\u9593\u3067\u914d\u5e03\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb<\/td><\/tr>
FEC\uff08Forwarding Equivalence Class\uff09<\/td>\u540c\u3058\u30e9\u30d9\u30eb\u3067\u8ee2\u9001\u3067\u304d\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u30b0\u30eb\u30fc\u30d7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

RT-A<\/td>RT-B<\/td>RT-C<\/td><\/tr>
hostname R1
interface Loopback0
ip address 1.1.1.1 255.255.255.255

interface GigabitEthernet0\/1
ip address 12.12.12.1 255.255.255.0
mpls ip<\/strong>

router ospf 1
router-id 1.1.1.1
network 1.1.1.1 0.0.0.0 area 0
network 12.12.12.0 0.0.0.255 area 0<\/mark>

mpls label protocol ldp
mpls ldp router-id Loopback0 force<\/strong><\/td>		hostname R2
interface Loopback0
ip address 2.2.2.2 255.255.255.255

interface GigabitEthernet0\/1
ip address 12.12.12.2 255.255.255.0
mpls ip<\/strong>

interface GigabitEthernet0\/2
ip address 23.23.23.2 255.255.255.0
mpls ip<\/strong>

router ospf 1
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 12.12.12.0 0.0.0.255 area 0
network 23.23.23.0 0.0.0.255 area 0<\/mark>

mpls label protocol ldp
mpls ldp router-id Loopback0 force<\/strong><\/td>		hostname R3
interface Loopback0
ip address 3.3.3.3 255.255.255.255

interface GigabitEthernet0\/2
ip address 23.23.23.3 255.255.255.0
mpls ip<\/strong>

router ospf 1
router-id 3.3.3.3
network 3.3.3.3 0.0.0.0 area 0
network 23.23.23.0 0.0.0.255 area 0<\/mark>

mpls label protocol ldp
mpls ldp router-id Loopback0 force<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u52d5\u4f5c\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9<\/p>\n\n\n\n

show mpls ldp neighbor \u2190 LDP\u30cd\u30a4\u30d0\u30fc\u78ba\u8a8d
show mpls forwarding-table \u2190 MPLS\u30e9\u30d9\u30eb\u306e\u78ba\u8a8d
show ip route \u2190 OSPF\u30eb\u30fc\u30c8\u78ba\u8a8d
ping 2.2.2.2 source 1.1.1.1 \u2190 Loopback\u306e\u758e\u901a\u78ba\u8a8d<\/p>\n\n\n\n

\u6ce8\u610f\u70b9<\/p>\n\n\n\n

\u30fb\u3059\u3079\u3066\u306e\u30eb\u30fc\u30bf\u30fc\u306b mpls ip \u3092\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\u30fbLoopback0 \u3092\u4f7f\u3063\u3066 LDP router-id \u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u5b89\u5b9a\u3057\u307e\u3059\u3002
\u30fbLDP\u304c\u52d5\u4f5c\u3059\u308b\u305f\u3081\u306b\u306f\u3001IGP\uff08OSPF\u306a\u3069\uff09\u3067Loopback\u540c\u58eb\u304c\u5230\u9054\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068<\/strong>\u304c\u524d\u63d0\u3067\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/td>MPLS\u306e\u7279\u5fb4(\u2461\u305d\u306e\u4ed6)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

MPLS\u306f\u4ee5\u4e0b\u306e\u7279\u5fb4\u3082\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u9805\u76ee<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
QoS\u5bfe\u5fdc<\/td>\u30e9\u30d9\u30eb\u306b\u512a\u5148\u5ea6\u3092\u5272\u308a\u5f53\u3066\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5236\u5fa1\u304c\u3067\u304d\u308b\u3002<\/td><\/tr>
VPN\u5b9f\u73fe<\/td>MPLS L3VPN\/L2VPN\u3067\u62e0\u70b9\u9593VPN\u304c\u69cb\u7bc9\u3067\u304d\u308b\uff08ISP\u304c\u3088\u304f\u4f7f\u3046\uff09\u3002<\/td><\/tr>
\u7d4c\u8def\u5236\u5fa1<\/td>TE\uff08\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\uff09\u3067\u6700\u9069\u306a\u7d4c\u8def\u9078\u629e\u304c\u3067\u304d\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u3053\u308c\u3089\u306b\u3064\u3044\u3066\u306f\u3001\u5225\u9014\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

MPLS\u306f\u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u9ad8\u901f\u8ee2\u9001\u6280\u8853\u3067\u3059 \u901a\u5e38\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3092\u53c2\u7167\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u884c\u3046\u304c\u3001MPLS\u306f\u3001\u30e9\u30d9\u30eb\u3067\u8ee2\u9001\u5148\u3092\u6c7a\u3081\u308b\u70ba\u3001\u9ad8\u901f\u306a\u8ee2\u9001\u304c\u53ef\u80fd\u3002 \u9805\u76ee \u8aac\u660e \u30e9\u30d9\u30eb\u8ee2\u9001 IP\u30d1\u30b1\u30c3\u30c8\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066\u4e2d\u7d99 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1254","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1254"}],"version-history":[{"count":17,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1254\/revisions"}],"predecessor-version":[{"id":1280,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1254\/revisions\/1280"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}