交換機(jī)、虛擬局域網(wǎng)組網(wǎng)(vlan)技術(shù)與配置-資料下載頁
2025-02-18 16:20本頁面
【正文】 king Encapsulation: dot1q– Operational Trunking Encapsulation: dot1q– Negotiation of Trunking: On– Access Mode VLAN: 1 (default)– Trunking Native Mode VLAN: 1 (default)– Voice VLAN: none– Administrative privatevlan hostassociation: none– Administrative privatevlan mapping: none– Administrative privatevlan trunk native VLAN: none– Administrative privatevlan trunk encapsulation: dot1q– Administrative privatevlan trunk normal VLANs: none– Administrative privatevlan trunk private VLANs: none– Operational privatevlan: none– Trunking VLANs Enabled: All– Pruning VLANs Enabled: 21001– Capture Mode Disabled– Capture VLANs Allowed: ALL– Protected: false– Unknown unicast blocked: disabled– Unknown multicast blocked: disabled– Appliance trust: none? 在配置 VLAN之后，回答【問題 2】：– 每臺(tái)主機(jī)相互 ping，查看哪些主機(jī)可以連通，哪些不可以？為什么？– 注：可以用 ping n 1 發(fā)起一個(gè)受限廣播，（參數(shù) n 1指明只發(fā)送一次，免得默認(rèn)發(fā)送 4次受到干擾），觀察都收到了哪些主機(jī)的回復(fù)？查看各臺(tái)主機(jī)的連通性? 將 Switch1的 FastEther 0/11接口的 Trunk配置為desirable模式：– Switch1(config)interface FastEther 0/11– Switch1(configif)shutdown– Switch1(configif)switchport mode dynamic desirable – Switch1(configif)no shutdown ? 將 Switch2的 FastEther 0/11接口的 Trunk配置為 auto模式：– Switch2(config)interface FastEther 0/11– Switch2(configif)shutdown– Switch2(configif)switchport mode dynamic auto– Switch2(configif)no shutdownDTP的配置 ? 在 Switch1上用 show interfaces FastEther 0/11 switchport查看端口信息– Name: Fa0/11– Switchport: Enabled– Administrative Mode: dynamic desirable– Operational Mode: trunk– Administrative Trunking Encapsulation: dot1q– Operational Trunking Encapsulation: dot1q– Negotiation of Trunking: On– Access Mode VLAN: 1 (default)– Trunking Native Mode VLAN: 1 (default)– Voice VLAN: none– Administrative privatevlan hostassociation: none– Administrative privatevlan mapping: none– Administrative privatevlan trunk native VLAN: none– Administrative privatevlan trunk encapsulation: dot1q– Administrative privatevlan trunk normal VLANs: none– Administrative privatevlan trunk private VLANs: none– Operational privatevlan: none– Trunking VLANs Enabled: All– Pruning VLANs Enabled: 21001– Capture Mode Disabled– Capture VLANs Allowed: ALL– Protected: false– Unknown unicast blocked: disabled– Unknown multicast blocked: disabled– Appliance trust: none實(shí)驗(yàn)結(jié)果? 在 Switch2上用 show interfaces FastEther 0/11 switchport 查看端口信息– Name: Fa0/11– Switchport: Enabled– Administrative Mode: dynamic auto– Operational Mode: trunk– Administrative Trunking Encapsulation: dot1q– Operational Trunking Encapsulation: dot1q– Negotiation of Trunking: On– Access Mode VLAN: 1 (default)– Trunking Native Mode VLAN: 1 (default)– Voice VLAN: none– Administrative privatevlan hostassociation: none– Administrative privatevlan mapping: none– Administrative privatevlan trunk native VLAN: none– Administrative privatevlan trunk encapsulation: dot1q– Administrative privatevlan trunk normal VLANs: none– Administrative privatevlan trunk private VLANs: none– Operational privatevlan: none– Trunking VLANs Enabled: All– Pruning VLANs Enabled: 21001– Capture Mode Disabled– Capture VLANs Allowed: ALL– Protected: false– Unknown unicast blocked: disabled– Unknown multicast blocked: disabled– Appliance trust: none實(shí)驗(yàn)結(jié)果課堂實(shí)驗(yàn)? 按照課件中拓?fù)浼岸丝谂渲茫薷?Switch1和 Switch2的 FastEther 0/11端口，考察 DTP協(xié)議的運(yùn)行規(guī)則，并通過實(shí)驗(yàn)回答以下問題：? 將 Switch1和 Switch2都設(shè)置為 negotiate模式，考察以下組合，哪些可以形成 Trunk？課堂實(shí)驗(yàn)? 將 Switch1設(shè)置為 nonegotiate模式， Switch2仍為 negotiate模式，再考察以下組合，哪些可以形成 Trunk？在配置時(shí)與兩者都是 negotiate模式時(shí)有什么區(qū)別？– 注意：考慮將 Switch1設(shè)置為 nonegotiate模式時(shí)， Switch1還能否設(shè)置為 dynamic desirable或 dynamic auto模式？? 每次連接好線路或在接口上執(zhí)行 shutdown和 noshutdown后，要等到拓?fù)鋱D中連接線上的 “點(diǎn) ”變成綠色。? 配置完交換機(jī)后，記得輸入以下命令 copy runningconfig startupconfig 保存，這樣下次重新打開程序后，配置還在。? nonegotiate模式是與其他的模式（ access， trunk， dynamic desirable， dynamic auto）配合使用，所以其配置語句中沒有 mode。先配置接口的模式，再使用這個(gè)語句來設(shè)置是否協(xié)商。? 若不輸入 switchport nonegotiate，則默認(rèn) negotiate模式，接口將發(fā)出協(xié)商包。? 若輸入了 switchport nonegotiate，則進(jìn)入 nonegotiate模式，接口將不會(huì)發(fā)出協(xié)商包。? 切記， nonegotiate和 negotiate并不是單獨(dú)的模式，僅僅與其他模式協(xié)同工作。注意事項(xiàng)演講完畢，謝謝觀看！
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