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02-h3c防火墻產(chǎn)品培訓(xùn)(comwarev5)(編輯修改稿)

2025-03-23 16:17 本頁面
 

【文章內(nèi)容簡(jiǎn)介】 /0/25 AGING 0013728e54e6 103 Learned GigabitEther0/0/26 AGING 0013728e54e6 102 Learned TenGigabitEther2/0/1 AGING 0024e8ae161f 103 Learned TenGigabitEther2/0/1 AGING 33 三層子接口轉(zhuǎn)發(fā) ? 應(yīng)用場(chǎng)景: ?客戶端網(wǎng)關(guān)直接部署在防火墻上 ?或者防火墻和交換機(jī)之間三層互聯(lián) PC1 PC2 XGE0/ XGE0/ GE0/0/25 GE0/0/26 XGE2/0/1 SecBlade II FW VLAN 102 VLAN 103 34 port access vlan 102 vlantype dot1q vid 102 ip add 24 三層子接口報(bào)文轉(zhuǎn)發(fā)流程 Switch SecBlade II FW XGE0/ XGE0/ Trunk Trunk TenGE2/0/1 PC1 PC2 Vlan 102 Vlan 103 vlantype dot1q vid 103 ip add 24 Vlan 102 port access vlan 103 Vlan 102 ,報(bào)文被打上 Vl 102的 tag,并被轉(zhuǎn)發(fā)給網(wǎng)關(guān); ,去掉報(bào)文的 Vlan Tag,在防火墻內(nèi)部按照路由完成報(bào)文轉(zhuǎn)發(fā); 35 port access vlan 102 vlantype dot1q vid 102 ip add 24 三層子接口報(bào)文轉(zhuǎn)發(fā)流程 Switch SecBlade II FW XGE0/ XGE0/ Trunk Trunk TenGE2/0/1 PC1 PC2 Vlan 102 Vlan 103 vlantype dot1q vid 103 ip add 24 port access vlan 103 Vlan 103 ,去掉報(bào)文的 Vlan Tag,在防火墻內(nèi)部按照路由完成報(bào)文轉(zhuǎn)發(fā); FW處理后按照路由轉(zhuǎn)發(fā),打上出接口的 Vlan Tag,送回到交換機(jī)進(jìn)行處理; ,去掉相應(yīng)的 vlan tag,將報(bào)文送到相應(yīng)的主機(jī); 36 三層子接口報(bào)文轉(zhuǎn)發(fā) ? 轉(zhuǎn)發(fā)流程: ? PC1報(bào)文進(jìn)入交換機(jī),交換機(jī)對(duì)報(bào)文加上 Vlan 102 Tag標(biāo)簽,由 Trunk口發(fā)送至防火墻插卡。 ? 防火墻收到 Vlan 102的報(bào)文,發(fā)現(xiàn)其 Vlan Tag與子接口 TenGE0/臵的 Vlan Tag相同,于是送給 102子接口處理,并且去掉報(bào)文中的 Tag,查找路由轉(zhuǎn)發(fā),確定從 103子接口將報(bào)文轉(zhuǎn)發(fā)出去。 ? 報(bào)文從 103子接口轉(zhuǎn)發(fā)出去的時(shí)候,加上子接口 TenGE0/Vlan Tag 103,然后被發(fā)送至交換機(jī)。 ? 交換機(jī)在對(duì)應(yīng)的 Vlan中轉(zhuǎn)發(fā)報(bào)文。 ? 三層子接口所能處理的 Vlan不是由子接口的編號(hào)決定的,而是由子接口下面配臵的 vlantype dot1q vid命令決定的 ? 報(bào)文出入安全域由出入報(bào)文的三層子接口所在安全域決定 37 三層子接口轉(zhuǎn)發(fā)配臵 ? 命令行配臵: 交換機(jī)上配臵: vlan 102 to 103 interface TenGigabitEther2/0/1 port linkmode bridge port linktype trunk undo port trunk permit vlan 1 port trunk permit vlan 102 to 103 interface GigabitEther0/0/25 port linkmode bridge port access vlan 102 interface GigabitEther0/0/26 port linkmode bridge port access vlan 103 FW上配臵: interface TenGigabitEther0/0 port linkmode route interface TenGigabitEther0/ vlantype dot1q vid 102 ip address interface TenGigabitEther0/ vlantype dot1q vid 103 ip address ? FW Web頁面配臵: 38 三層子接口轉(zhuǎn)發(fā)信息 ? 防火墻會(huì)話信息和 MAC地址表: [FW]dis sess table verbose Initiator: Source IP/Port : Dest IP/Port : VPNInstance/VLAN ID/VLL ID: Responder: Source IP/Port : Dest IP/Port : VPNInstance/VLAN ID/VLL ID: Pro: ICMP(1) App: unknown State: ICMPCLOSED Start time: 20230426 12:15:49 TTL: 27s Root Zone(in): Trust Zone(out): Untrust Received packet(s)(Init): 4 packet(s) 240 byte(s) Received packet(s)(Reply): 4 packet(s) 240 byte(s) FWdis arp Type: SStatic DDynamic IP Address MAC Address VLAN ID Interface Aging Type 0024e8ae1975 N/A XGE0/ 19 D 0013728e54e6 N/A XGE0/ 19 D ? 交換機(jī) MAC地址表: H3Cdis macaddress MAC ADDR VLAN ID STATE PORT INDEX AGING TIME(s) 0024e8ae1975 102 Learned GigabitEther0/0/25 AGING 0013728e54e6 103 Learned GigabitEther0/0/26 AGING 000fe280de93 102 Learned TenGigabitEther2/0/1 AGING 000fe280de93 103 Learned TenGigabitEther2/0/1 AGING 39 三層虛接口轉(zhuǎn)發(fā) ? 組網(wǎng)說明: ?三層虛接口轉(zhuǎn)發(fā)流程與三層子接口一致 ?防火墻物理接口工作在橋模式,能同時(shí)進(jìn)行三層轉(zhuǎn)發(fā)和二層轉(zhuǎn)發(fā) PC1 PC2 Vlaninterface 102 GE0/0/25 GE0/0/26 XGE2/0/1 SecBlade II FW VLAN 102 VLAN 103 Vlaninterface 103 40 三層虛接口轉(zhuǎn)發(fā) ? 轉(zhuǎn)發(fā)流程: ?報(bào)文進(jìn)入交換機(jī),交換機(jī)對(duì)報(bào)文加上 Tag標(biāo)簽后,由Trunk口發(fā)送至防火墻插卡 ?防火墻插卡收到報(bào)文后檢查目的 MAC地址,若該MAC地址為 Vlan虛接口的 MAC地址,則將該報(bào)文去掉二層頭,上送到三層轉(zhuǎn)發(fā)引擎處理 ?三層轉(zhuǎn)發(fā)引擎將對(duì)上送上來的 IP報(bào)文,查找正確的路由轉(zhuǎn)發(fā),確定從哪個(gè) Vlan虛接口將報(bào)文轉(zhuǎn)發(fā)出去,加上對(duì)應(yīng)的二層報(bào)文頭信息后被轉(zhuǎn)發(fā)到交換機(jī) ?交換機(jī)在對(duì)應(yīng)的 Vlan中轉(zhuǎn)發(fā)報(bào)文 ? 報(bào)文的出入安全域由出入報(bào)文對(duì)應(yīng)的 Vlan虛接口所在的安全域決定 41 三層虛接口轉(zhuǎn)發(fā)配臵 ? 命令行配臵: 交換機(jī)上配臵: vlan 102 to 103 interface TenGigabitEther2/0/1 port linkmode bridge port linktype trunk undo port trunk permit vlan 1 port trunk permit vlan 102 to 103 interface GigabitEther0/0/25 port linkmode bridge port access vlan 102 interface GigabitEther0/0/26 port linkmode bridge port access vlan 103 FW上配臵: vlan 102 to 103 interface Vlaninterface102 ip address interface Vlaninterface103 ip address interface TenGigabitEther0/0 port linkmode bridge port linktype trunk undo port trunk permit vlan 1 port trunk p
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