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华三H3CIE-RS+面试指南.pdf

发布时间：2022-06-05 发布人：admin 分类：说明书 资料大小：4.36M 资料格式：pdf 举报 版权申诉
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    1. IP MTU MTU MTU IP 3 ID Flag 3 Fragment Offset 2. ARP RARP ARP ARP IP MAC ARP IP MAC IP MAC IP ARP IP MAC ARP IP ARP IP IP ARP IP MAC IP IP IP ARP MAC MAC RARP ARP MAC IP MAC IP ARP IP ARP ARP IP MAC VRRP 3. Ping Tracert Ping ICMP echo-request ICMP echo-reply ICMP ICMP ICMP Tracert TTL 1 echo- request TTL ICMP TTL 2 echo-request ICMP TTL +1 echo-request port-unreachable
    4. TCP TCP A B TCP Seq-Number TCP Seq-Number Seq-Number + B TCP A TCP Ack-Number Seq-Number + B Seq-Number A B Ack-Number B TCP Seq-Number B Ack-Number Ack- Number B Seq-Number + TCP Ack-Number Seq-Number Ack-Number 5. TCP TCP A B TCP SYN Seq-Number B B ACK SYN A B ACK TCP 2 A B TCP FIN B A ACK B A B A FIN A B ACK Reset RST TCP RST TCP TCP 3 2 TCP 2 6. TCP TCP A B 4 1024 4096 B 2048 A Window 2048 A B 2 1024 2048 B
    7. TCP UDP TCP TCP UDP UDP UDP 8. IP 20-60 4 4 Padding 0 4 18 18 + IP MTU 1500 1518 8 1526 TCP 20-60 4 4 Padding 0 4 1000 TCP 1000 + 20TCP + 20IP + 18 + 8= 1066 MTU 1500 + TCP + IP 1500 9. IPv4 IPv6 IPv4 IPv4 IPv6
    PPP 1. PPP Dead PPP Establish Establish PPP LCP SP MP MRU(magic number)LCP Opened Authenticate CHAP PAP Network Authenticate Terminate LCP Down NCP LCP Opened NCP Initial Starting Network PPP NCP NCP IPCP(IP Control Protocol) MPLSCP(MPLS Control Protocol)IPCP IP NCP PPP PPP LCP NCP Terminate Dead 2. PPP 3. PPP PPP PPP MP Virtual-Template MP PPP VT VT VT MP MP MP 4. LCP LCP 5. PAP CHAP CHAP PAP
    PAP PAP : ; 3 PAP CHAP CHAP : ID( ) ID MD5 hash hash ID MD5 hash hash hash hash 3 CHAP PAP 6. PPPoE PPPoE : Discovery : PPPoE Session:PPPoE : PPPoE(PC)PPPoE Active Discovery Initiation (PADI) MAC PPPoE()PPPoE Active Discovery Offer(PADO) MAC () PPPoEPPPoE Active Discovery Request(PADR)PPPoE PPPoEPPPoE Active Discovery Session-confirm(PADS) Session ID PPPoE PPPoE PPP PPPoE PPP (LCP)(NCP) PPPoEPPPoE Active Discovery Terminate(PADT)PPPoEPPPoEPADT
    Vlan 1. Ethernet II MAC MACFCS 802.3 RAW IPX/SPX 802.3 LLC MAC MACLLC FCS 802.3 SNAP MAC MACLLC SNAP FCS 802.3 LLC SNAP 802.3 802.3 Ethernet II 2. MAC MAC PVID MAC Vlan Vlan tagVlan tag Vlan id Vlan Tag Vlan MAC MAC MAC MAC 3. MAC IVL Vlan MAC Vlan Vlan SVL Vlan MAC Vlan 4. 802.1Q Vlan Vlan tag 802.1Q 802.1Q PC Vlan tag Vlan 802.1Q MAC MAC Vlan tagFCS Vlan tag TPIDPriorityCFIVlan ID TPID Priority802.1P QOS CFI 1 MAC 0 Vlan ID Vlan id 5. AccessTrunkHybrid Vlan AccessTrunkHyrbid Access
    Tag PVID Vlan tag Tag Tag Vlan id PVID Vlan tag Trunk Tag PVID Vlan tag PVID Passing Tag Tag Vlan id Passing Vlan id PVID Tag Tag Trunk Passing Vlan Vlan Permit Hybrid Tag Trunk Tag Trunk Vlan id PVID Tag Vlan id Untagged Tagged Untagged Tagged 6. Vlan Vlan Vlan MAC VlanMac Vlan Mac Vlan Vlan VlanVlan IP VlanIP Vlan IP Vlan Vlan Vlan Hybrid Vlan Mac Vlan > IP Vlan > Vlan > Vlan 7. Private Vlan Private Vlan Vlan Hybrid Vlan Vlan Vlan 4094 VLAN4094 Vlan Private Vlan Primary Vlan Secondary Vlan Hybrid PVID Primary Vlan Untagged Primary Vlan Secondary Vlan Hybrid PVID Secondary Vlan Untagged Primary Vlan Secondary Vlan Secondary Vlan Tag Vlan tag Tag PVID Tag PC Vlan Tag Secondary Vlan Secondary Vlan Vlan Primary Vlan Secondary Vlan Secondary Vlan Vlan Secondary Vlan Primary Vlan ARP
    L3 L3 Vlan ARP Private Vlan Secondary Vlan MAC Primary Vlan Vlan tag Primary Vlan MAC MAC MAC MAC Secondary Vlan MAC Private VlanPrivate Vlan MAC Secondary Vlan 8. Super Vlan Super Vlan Vlan VlanSuper Vlan Super Vlan Sub Vlan Sub Vlan UP Super Vlan UP Sub Vlan Sub Vlan Super Vlan Sub Vlan Super Vlan Vlan IP Super Vlan Super Vlan Super Vlan Super Vlan Trunk Super Vlan Super Vlan Sub Vlan Super Vlan ARP 9. ARP ARP ARP MAC Private Vlan Super Vlan Secondary Vlan Sub Vlan ARP ARP ARP ARP ARP IP ARP ARP IP ARP ARP ARP IP MAC MAC MAC MAC ARP IP Private Vlan Secondary Vlan Super Vlan Sub Vlan Super Vlan ARP Super Vlan Sub Vlan Sub Vlan ARP ARP IP Sub Vlan Sub Vlan IP MAC Super Vlan MAC MAC Super Vlan MAC
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