{"id":517,"date":"2025-10-22T09:55:08","date_gmt":"2025-10-22T01:55:08","guid":{"rendered":"https:\/\/www.youvii.site\/?p=517"},"modified":"2025-10-22T10:14:10","modified_gmt":"2025-10-22T02:14:10","slug":"132luyoushilishiyaner","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/132luyoushilishiyaner","title":{"rendered":"13.2\u8def\u7531\u793a\u4f8b\u5b9e\u9a8c\u4e8c"},"content":{"rendered":"

13.2 \u8def\u7531\u793a\u4f8b\u5b9e\u9a8c\u4e8c<\/h1>\n

\u9879\u76ee\u62d3\u6251\uff1a<\/p>\n

\"1741673099067-9831d56d-75a8-4dca-a2c3-914d13e689f0.png\"<\/p>\n

\u672c\u9879\u76ee\u4e2d\u914d\u7f6eR2\u5747\u624b\u52a8\u914d\u7f6e\u3002<\/p>\n

\u63d0\u4f9bbanner motd\u8b66\u793a\u8bed\uff1a<\/p>\n

*****<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong> <\/font>**<\/p>\n

WARNING: Unauthorized access is prohibited! <\/font><\/strong><\/p>\n

*****<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong> <\/font>**<\/p>\n

# <\/font><\/strong><\/p>\n

<\/font><\/strong><\/p>\n

R2\uff1a <\/font><\/strong><\/p>\n

en <\/font><\/strong><\/p>\n

conf t <\/font><\/strong><\/p>\n

hostname R2 <\/font><\/strong><\/p>\n

enable sec cisco <\/font><\/strong><\/p>\n

line con 0 <\/font><\/strong><\/p>\n

pass cisco <\/font><\/strong><\/p>\n

login <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

lin vty 0 4 <\/font><\/strong><\/p>\n

pass cisco <\/font><\/strong><\/p>\n

login local <\/font><\/strong><\/p>\n

transport input ssh <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

service pass <\/font><\/strong><\/p>\n

banner motd # <\/font><\/strong><\/p>\n

\u7c98\u8d34 <\/font><\/strong><\/p>\n

ipv6 unicast-routing <\/font><\/strong><\/p>\n

int g0\/0\/0 <\/font><\/strong><\/p>\n

no sh <\/font><\/strong><\/p>\n

des link to S3 <\/font><\/strong><\/p>\n

ip add 10.0.4.1 255.255.255.0 <\/font><\/strong><\/p>\n

ipv6 add 2001:db8:acad:4::1\/64 <\/font><\/strong><\/p>\n

ipv6 add fe80::2:a link-local <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

int g0\/0\/1 <\/font><\/strong><\/p>\n

no sh <\/font><\/strong><\/p>\n

des link to S4 <\/font><\/strong><\/p>\n

ip add 10.0.5.1 255.255.255.0 <\/font><\/strong><\/p>\n

ipv6 add 2001:db8:acad:5::1\/64 <\/font><\/strong><\/p>\n

ipv6 add fe80::2:b link-local <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

int s0\/1\/0 <\/font><\/strong><\/p>\n

no sh <\/font><\/strong><\/p>\n

des link to R1 <\/font><\/strong><\/p>\n

ip add 10.0.3.2 255.255.255.0 <\/font><\/strong><\/p>\n

ipv6 add 2001:db8:acad:3::2\/64 <\/font><\/strong><\/p>\n

ipv6 add fe80::1:c link-local <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

int s0\/1\/1 <\/font><\/strong><\/p>\n

no sh <\/font><\/strong><\/p>\n

des link to Internet <\/font><\/strong><\/p>\n

ip add 209.165.200.225 255.255.255.252 <\/font><\/strong><\/p>\n

ipv6 add 2001:db8:feed:224::1\/64 <\/font><\/strong><\/p>\n

ipv6 add fe80::1d link-local <\/font><\/strong><\/p>\n

exi <\/font><\/strong><\/p>\n

ip domain-name ccna-lab.com <\/font><\/strong><\/p>\n

enable sec c1sco1234 <\/font><\/strong><\/p>\n

cry k g rsa g m 1024 <\/font><\/strong><\/p>\n

user SSHadmin sec 55Hadm!n <\/font><\/strong><\/p>\n

\"1741673099025-efe497b5-8dbc-43db-9569-5bd02565a7d4.png\"<\/p>\n

\u9a8c\u8bc1\u7f51\u7edc\u8fde\u63a5\u3002<\/font><\/strong><\/p>\n

a.<\/font> <\/font>\u5728<\/font>PC3<\/font><\/strong>\u4e0a\u4f7f\u7528\u547d\u4ee4\u884c\uff0cping<\/font>PC4<\/font><\/strong>\u7684 IPv4 \u548c IPv6 \u5730\u5740 \u3002<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

ping \u64cd\u4f5c\u662f\u5426\u6210\u529f\uff1f <\/font>\u221a<\/font><\/p>\n

\"1741673099079-e8f245f9-22db-454e-93c2-36bb007ac76e.png\"<\/p>\n

b.<\/font> <\/font>\u4ece<\/font>R2<\/font><\/strong>\u7684 CLI\uff0c\u53bb ping <\/font>R1<\/font><\/strong> S0\/1\/1 \u7684 IPv4 \u548c IPv6 \u5730\u5740\u3002\u5206\u914d\u7ed9 R1 S0\/1\/1 \u63a5\u53e3\u7684\u5730\u5740\u4e3a\uff1a<\/font><\/p>\n

IPv4 \u5730\u5740 = 10.0.3.1<\/font><\/p>\n

IPv6 \u5730\u5740 = 2001:db8:acad:3::1<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

ping \u64cd\u4f5c\u662f\u5426\u6210\u529f\uff1f<\/font>\u221a<\/font><\/p>\n

\"1741673099030-05e877eb-9505-4269-b35f-a2394f809849.png\"<\/p>\n

\u4ece<\/font>PC3<\/font><\/strong> \u7684\u547d\u4ee4\u884c\u53bb ping ISP \u7684\u5730\u5740 209.165.200.226\u3002<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

ping \u64cd\u4f5c\u662f\u5426\u6210\u529f\uff1f<\/font>\u221a<\/font><\/p>\n

\"1741673099039-7cfc3d88-e7c6-4bee-bfed-19c2240339b6.png\"<\/p>\n

\u4ece <\/font>PC3<\/font><\/strong> \u5c1d\u8bd5 ping ISP \u4e0a\u7684\u5730\u5740 64.100.1.1 \u6765\u8fdb\u884c\u6d4b\u8bd5\u3002<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

ping \u64cd\u4f5c\u662f\u5426\u6210\u529f\uff1f<\/font>\u00d7<\/font><\/p>\n

\"1741673099237-5073170c-b50c-4b52-a690-95aa0e9b7ef7.png\"<\/p>\n

c.<\/font> <\/font>\u4ece <\/font>PC3<\/font><\/strong> \u7684\u547d\u4ee4\u884c\u5411 R2 G0\/0\/0 \u7684 IPv4 \u5730\u5740\u53d1\u8d77 SSH \u4f1a\u8bdd\uff0c\u5e76\u4e14\u4f7f\u7528<\/font>SSHadmin<\/font><\/strong>\u548c\u5bc6\u7801 <\/font>55Hadm!n\u8fdb\u884c\u767b\u5f55\u3002<\/font><\/strong><\/p>\n

C:> <\/font>ssh -l SSHadmin 10.0.4.1<\/font><\/strong><\/p>\n

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

\u5bc6\u7801\uff1a<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

\u8fdc\u7a0b\u8bbf\u95ee \u6210\u529f\u4e86\u5417\uff1f<\/font>\u221a<\/font><\/p>\n

\"1741673099237-6f60e243-2022-4167-b4e3-d0540b41319f.png\"<\/p>\n

\u5728\u8def\u7531\u5668\u4e0a\u4f7f\u7528\u547d\u4ee4<\/font>show running-config<\/font><\/strong>\u6765\u56de\u7b54 \u4e0b\u5217\u95ee\u9898\uff0c\u4f46\u662f\u8ba9\u8f93\u51fa\u4fe1\u606f\u4ec5\u663e\u793a\u5305\u542b\u201cpassword\u201d\u8fd9\u4e2a\u8bcd\u7684\u884c\u3002<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

\u5bc6\u7801\u5728 \u8f93\u51fa\u4fe1\u606f\u4e2d\u4ee5\u4ec0\u4e48\u65b9\u5f0f\u663e\u793a\uff1f<\/font><\/p>\n

\u5bc6\u7801\u4ee5\u52a0\u5bc6\u663e\u793a\u3002<\/p>\n

\u4f7f\u7528show running-config | begin vty \u547d\u4ee4\u3002<\/font><\/p>\n

\u95ee\u9898\uff1a<\/font><\/p>\n

\u4f7f\u7528\u8fd9\u6761 \u547d\u4ee4\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f<\/font><\/p>\n

\u7ba1\u9053\u7b5b\u9009vty\u90e8\u5206\u4fe1\u606f<\/font><\/p>\n

\n

\u66f4\u65b0: 2025-03-11 14:05:00
\n\u539f\u6587: https:\/\/www.yuque.com\/yuhui.net\/network\/vm5gdl8m8pewdi36<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

13.2 \u8def\u7531\u793a\u4f8b\u5b9e\u9a8c\u4e8c \u9879\u76ee\u62d3\u6251\uff1a \u672c\u9879\u76ee\u4e2d\u914d\u7f6eR2\u5747\u624b\u52a8\u914d\u7f6e\u3002 \u63d0\u4f9bbanner motd\u8b66\u793a\u8bed\uff1a ***** ** WARNING: Unauthorized access is prohibited! ***** ** # R2\uff1a en conf t hostname R2 enable sec cisco line con 0 pass cisco login exi lin vty 0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61,3],"tags":[79,85],"class_list":["post-517","post","type-post","status-publish","format-standard","hentry","category-ciscoluyouyujiaohuan","category-interface","tag-shiyan","tag-cisco"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=517"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/517\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}