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Cisco Lab - Switch 2013.03.18

Cisco Lab - Switch

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Cisco Lab - Switch. 2013.03.18. 大綱. Multi-LAN VLAN TRUNK VTP ACL Port Channel Routing InterVLAN Routing Static Routing Homework. 192.168.0.0 subnet. 192.168.1.0 subnet. 192.168.2.0 subnet. ENG VLAN. HR VLAN. SALES VLAN. Multi-LAN - VLAN. 0/1. 0/1. 0/2. 0/2. - PowerPoint PPT Presentation

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Page 1: Cisco Lab - Switch

Cisco Lab - Switch

2013.03.18

Page 2: Cisco Lab - Switch

大綱 Multi-LAN

VLAN TRUNK VTP

ACL Port Channel Routing

InterVLAN Routing Static Routing

Homework

Page 3: Cisco Lab - Switch

192.168.0.0subnet

192.168.1.0subnet

192.168.2.0subnet

HR VLAN

SALES VLAN

ENG VLAN

Page 4: Cisco Lab - Switch

Multi-LAN - VLAN

VLAN 1

VLAN 2

VLAN 3

VLAN 50

VLAN 51

VLAN 52

0/1 0/10/20/3

0/20/3

Page 5: Cisco Lab - Switch

Multi-LAN - VLAN Switch(config)#vlan “vlan-id”

建立新 vlan Switch(config-vlanid)#name “vlan-name”

為所新增的 vlan命名 Switch(config)#interface fastethernet 0/1

進入單一 interface設定模式 Switchport mode access Switchport access vlan “vlan-id”

Page 6: Cisco Lab - Switch

Multi-LAN - Trunk

VLAN 11 VLAN 12 VLAN 13 VLAN 11 VLAN 12 VLAN 13

Trunk

VLAN 11 TagVLAN 12 Tag

pc0 pc1 pc2 pc4 pc5pc3

Page 7: Cisco Lab - Switch

Multi-LAN - Trunk switchport trunk encapsulation dot1q

指定 Trunk封裝為 dot1q模式 switchport mode trunk

指定 Switch Port為 Trunk Port switchport trunk allowed vlan “Vlan- ID”

允許特定 VLAN ID的流量通過 Trunk Port

Page 8: Cisco Lab - Switch

Multi-LAN - VTP VLAN Trunking Protocol

Cisco專有協議 負責同步網域中相同 VTP Domain Switch的 VLAN資訊 VTP Mode: Server、 Client、 Transpartent 利用 Switch的 Trunking Port作 VLAN的同步。

Page 9: Cisco Lab - Switch

Multi-LAN - VTP Switch(config)#vtp mode

server/client/transpartent 設定 VTP的模式

Switch(config)#vtp domain “Domain Name” 設定 VTP Domain名稱, Domain相同的才會進行 VLAN的同步

Switch#show vtp status 顯示設備的 VTP狀態

Page 10: Cisco Lab - Switch

Port Channel 利用數個實體介面邏輯上合併為一個 增加頻寬 分散流量 達到備援的目的

Page 11: Cisco Lab - Switch

Port Channel

Page 12: Cisco Lab - Switch

Port Channel1. Switch(config)#interface range fastethernet 0/1 – 4

指定要作為同一 Group的 Port2. Switch(config-if-range)#shutdown

為避免對流量產生影響,建議在建立 Port Channel前先將 Port關閉3. Switch(config-if-range)#channel-group “Channel-Group ID” mode

active/passive Channel-Group建立起來所使用的 ID Active:主動建立 Port-Channel Passive:當遠端 Switch為 Active並要求建立 Port-Channel時才會建立

Show etherchannel summary 查看 Port-Channel狀態

對 Port Channel進行設定 Switch(config)#interface port-channel “Channel-Group ID”

Page 13: Cisco Lab - Switch

Port Channel講台

192.168.219.202

192.168.219.203

192.168.219.204

192.168.219.205

123456

123456

Page 14: Cisco Lab - Switch

ACL1. Switch(config)#ip access-list extended/standard “Policy ID or Policy

Name” Extended:會檢查封包來源、目的 IP以及所使用之 Layer4協定及路由協定等等資訊。 Standard:僅檢查封包的目的地 IP資訊。

2. Switch(config-ext-nacl)#permit/deny tcp/udp “Source Address” “Wildcard Bits” “Dest Address” “Wildcard Bits” eq “Port Number”

3. Switch(config)#interface fastethernet “Port ID”4. Switch(config-if)#no switchport5. Switch(config-if)#ip access-group “Policy Name or Policy ID” in/out

Page 15: Cisco Lab - Switch

InterVLAN Routing192.168.0.0/24

subnet192.168.1.0/24

subnet192.168.2.0/24

subnet

SALES VLAN

HR VLAN

ENG VLAN

Page 16: Cisco Lab - Switch

InterVLAN Routing192.168.0.0/24

GW:192.168.0.254subnet

192.168.1.0/24GW:192.168.1.254

subnet

192.168.2.0GW:192.168.2.254

subnet

SALES VLAN 10

HR VLAN 11

ENG VLAN 12

VLAN10:192.168.0.254VLAN11:192.168.1.254VLAN12:192.168.2.254

Page 17: Cisco Lab - Switch

InterVLAN Routing

VLAN 11 VLAN 12 VLAN 13 VLAN 11 VLAN 12 VLAN 13

Trunk TrunkVLAN11:192.168.1.254VLAN12:192.168.2.254VLAN13:192.168.3.254

192.168.1.1Gw:192.168.1.254

192.168.2.1Gw:192.168.2.254

192.168.3.1Gw:192.168.3.254

192.168.1.2Gw:192.168.1.254

192.168.2.2Gw:192.168.2.254

192.168.3.2Gw:192.168.3.254

Src IP Dest IP

192.168.1.1 192.168.2.2

Src Mac Dest Mac

PC A Mac VLAN11 Mac

A B C D E F

Src IP Dest IP

192.168.1.1 192.168.2.1

Src Mac Dest Mac

VLAN 12 Mac PC E Mac

Page 18: Cisco Lab - Switch

Static Routing

VLAN 11 VLAN 12 VLAN 1 VLAN 2

Trunk Trunk

192.168.1.1Gw:192.168.1.254

192.168.2.1Gw:192.168.2.254

10.1.1.1Gw:10.1.1.254

10.1.2.1Gw:10.1.2.254

A B C D

ip route 10.1.1.0 255.255.255.0 gw 172.16.1.2ip route 10.1.2.0 255.255.255.0 gw 172.16.1.2

172.16.1.1

172.16.1.2

ip route 192.168.1.0 255.255.255.0 gw 172.16.1.2ip route 192.168.2.0 255.255.255.0 gw 172.16.1.2

Page 19: Cisco Lab - Switch

開啟 LAB-HW.pkt 從主機 A使用 PING主機 D 使用 HW4.pkt 從主機 A使用 PING主機 D 使用模擬器的 Simulation觀察網路狀態 說明使用 PING從主機 A到主機 D時, ARP傳遞的狀況,以及說明主機 A

無法 PING到主機 D的原因

Homework

Page 20: Cisco Lab - Switch

Homework

IP 192.168.1.1Mac 0260.8c01.1111

IP 192.168.1.3Mac 0260.8c01.3333

IP 192.168.1.2Mac 0260.8c01.2222

IP 192.168.1.4Mac 0260.8c01.4444

Mac Address Table Mac Address Table

E1

E2

E3

E1: 260.8c01.1111

E1 E3

E4

E1: 260.8c01.1111

SRC IP 192.168.1.1 DST IP 192.168.1.4SRC Mac 0260.8c01.1111 DST Mac ffff.ffff.ffff

ARP Request

Page 21: Cisco Lab - Switch

Homework

IP 192.168.1.1Mac 0260.8c01.1111

IP 192.168.1.3Mac 0260.8c01.3333

IP 192.168.1.2Mac 0260.8c01.2222

IP 192.168.1.4Mac 0260.8c01.4444

Mac Address Table Mac Address Table

E1

E2

E3

E1: 260.8c01.1111

E1 E3

E4

E1: 260.8c01.1111

SRC IP 192.168.1.4 DST IP 192.168.1.1SRC Mac 0260.8c01.4444 DST Mac 0260.8c01.1111

E4: 260.8c01.4444E3: 260.8c01.4444

SRC IP 192.168.1.1 DST IP 192.168.1.4SRC Mac 0260.8c01.1111 DST Mac 0260.8c01.4444

ARP ReplyDATA Transfer

Page 22: Cisco Lab - Switch

IP 192.168.1.1

Mac 00D0.97DD.C02C

IP 192.168.1.3Mac 0050.0F73.E116

IP 192.168.1.2Mac 0030.F2E6.20EA

IP 192.168.1.4Mac 00E0.8F0B.0B88

Mac Address Table Mac Address Table

Fa0/1

Fa0/2

Fa0/23 Fa0/23 Fa0/1

Fa0/2

Homework

Fa0/23Fa0/24