logging in or signing up VLANs Churchill Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 7814 Category: Education License: All Rights Reserved Like it (1) Dislike it (0) Added: January 03, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: pgomathi (8 month(s) ago) its very usefull n easy to know Saving..... Post Reply Close Saving..... Edit Comment Close By: moha4ever (12 month(s) ago) nice sir thanx very much Saving..... Post Reply Close Saving..... Edit Comment Close By: nishasunnym (40 month(s) ago) sir..nice one.can you pls send me its link for downloading. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Использование технологии VLAN: Использование технологии VLAN Для чего нужны VLAN?: Для чего нужны VLAN? 3rd floor 2nd floor 1st floor SALES HR ENG A VLAN = A broadcast domain = Logical network (subnet) VLAN Operations: VLAN Operations Each logical VLAN is like a separate physical bridgeМеханизм VLAN: Механизм VLAN Switch B Green VLAN Black VLAN Yellow VLAN Each logical VLAN is like a separate physical bridge VLANs can span across multiple switchesМеханизм VLAN: Механизм VLAN Switch B Green VLAN Black VLAN Red VLAN Trunk Fast Ethernet Each logical VLAN is like a separate physical bridge VLANs can span across multiple switches Trunks carries traffic for multiple VLANs Trunks use special encapsulation to distinguish between different VLANs VLAN Membership Modes: VLAN Membership Modes VLAN5 Static VLAN Dynamic VLAN MAC = 1111.1111.1111 Trunk VMPS 1111.1111.1111 = vlan 10 VLAN10 Port e0/9 Port e0/4ISL Encapsulation: ISL Encapsulation ISL Header 26 bytes Encapsulated Ethernet frame CRC 4 bytes Frames encapsulated with ISL header and CRC Support for many VLANs (1024) VLAN field Type us used to identify LAN technology (Ethernet, Token Ring and etc) DA Type User SA LEN AAAA03 HSA VLAN BPDU BPDU INDEX RES802.1q Encapsulation: 802.1q Encapsulation Data Source add FCS Length Dest add Variable 4 6 6 4 Preamble 8 TAG TPID Priority VID Приоритет 802.1p (до 8 уровней) Support for many VLANs CFI 12 3 1VLAN Trunking Protocol (VTP): VLAN Trunking Protocol (VTP) A messaging system that advertises VLAN configuration information Maintains VLAN configuration consistency throughout a common administrative domain VTP sends advertisements on trunk ports only Support mixed media trunks (Fast Ethernet, FDDI, ATM) 1.“new vlan added” 3.Sync to the latest vlan information 2 VTP Domain “DEMO”VTP Pruning: VTP Pruning Increases available bandwidth by reducing unnecessary flooded traffic Example: Station A sends broadcast, broadcast is only flooded toward any switch with ports assigned to the red VLAN Switch 4 Switch 2 Switch 6 Switch 3 Switch 1 Port 2 Flooded traffic is pruned Red VLAN Port 1 Switch 5 A B You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
VLANs Churchill Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 7814 Category: Education License: All Rights Reserved Like it (1) Dislike it (0) Added: January 03, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: pgomathi (8 month(s) ago) its very usefull n easy to know Saving..... Post Reply Close Saving..... Edit Comment Close By: moha4ever (12 month(s) ago) nice sir thanx very much Saving..... Post Reply Close Saving..... Edit Comment Close By: nishasunnym (40 month(s) ago) sir..nice one.can you pls send me its link for downloading. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Использование технологии VLAN: Использование технологии VLAN Для чего нужны VLAN?: Для чего нужны VLAN? 3rd floor 2nd floor 1st floor SALES HR ENG A VLAN = A broadcast domain = Logical network (subnet) VLAN Operations: VLAN Operations Each logical VLAN is like a separate physical bridgeМеханизм VLAN: Механизм VLAN Switch B Green VLAN Black VLAN Yellow VLAN Each logical VLAN is like a separate physical bridge VLANs can span across multiple switchesМеханизм VLAN: Механизм VLAN Switch B Green VLAN Black VLAN Red VLAN Trunk Fast Ethernet Each logical VLAN is like a separate physical bridge VLANs can span across multiple switches Trunks carries traffic for multiple VLANs Trunks use special encapsulation to distinguish between different VLANs VLAN Membership Modes: VLAN Membership Modes VLAN5 Static VLAN Dynamic VLAN MAC = 1111.1111.1111 Trunk VMPS 1111.1111.1111 = vlan 10 VLAN10 Port e0/9 Port e0/4ISL Encapsulation: ISL Encapsulation ISL Header 26 bytes Encapsulated Ethernet frame CRC 4 bytes Frames encapsulated with ISL header and CRC Support for many VLANs (1024) VLAN field Type us used to identify LAN technology (Ethernet, Token Ring and etc) DA Type User SA LEN AAAA03 HSA VLAN BPDU BPDU INDEX RES802.1q Encapsulation: 802.1q Encapsulation Data Source add FCS Length Dest add Variable 4 6 6 4 Preamble 8 TAG TPID Priority VID Приоритет 802.1p (до 8 уровней) Support for many VLANs CFI 12 3 1VLAN Trunking Protocol (VTP): VLAN Trunking Protocol (VTP) A messaging system that advertises VLAN configuration information Maintains VLAN configuration consistency throughout a common administrative domain VTP sends advertisements on trunk ports only Support mixed media trunks (Fast Ethernet, FDDI, ATM) 1.“new vlan added” 3.Sync to the latest vlan information 2 VTP Domain “DEMO”VTP Pruning: VTP Pruning Increases available bandwidth by reducing unnecessary flooded traffic Example: Station A sends broadcast, broadcast is only flooded toward any switch with ports assigned to the red VLAN Switch 4 Switch 2 Switch 6 Switch 3 Switch 1 Port 2 Flooded traffic is pruned Red VLAN Port 1 Switch 5 A B