3. Switch D Spanning Tree Protocol Root :B Root :A Root :C Root ID:32768.0000-0000-00001 Root ID:32768.0000-0000-00003 Root ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00001 Bridge ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00003 FA0/23 Switch C Switch A FA0/24 FA0/24 FA0/23 FA0/24 FA0/23 I'm the Root I'm the Root I'm the Root Switch B
4. Spanning Tree Protocol Root :B Root :A Root :C Root ID:32768.0000-0000-00001 Root ID:32768.0000-0000-00003 Root ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00001 Bridge ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00003 Switch B Switch C Switch A I'm the Root Because MY ID is Lesser I'm the Not Root Because B ID is Lesser B Root ID:32768.0000-0000-00002 B Root ID:32768.0000-0000-00002 B Root ID:32768.0000-0000-00002 Root ID:32768.0000-0000-00002 Root :B FA0/23 FA0/24 FA0/24 FA0/23 FA0/24 FA0/23
5. Switch D Spanning Tree Protocol Root :B Root :A Root :B Root ID:32768.0000-0000-00001 Root ID:32768.0000-0000-00002 Root ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00001 Bridge ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00003 Switch B Switch C Switch A A Root ID:32768.0000-0000-00001 A Root ID:32768.0000-0000-00001 A Root ID:32768.0000-0000-00001 Root :A Root :A Root ID:32768.0000-0000-00001 Root ID:32768.0000-0000-00001 FA0/23 FA0/24 FA0/24 FA0/23 FA0/24 B is not Root Because A ID is Lesser I'm the Not Root Because A ID Is Lesser
6. Bridge ID:32768.0000-0000-00001 Bridge ID:32768.0000-0000-00002 Bridge ID:32768.0000-0000-00003 Switch B Switch C Switch A Root :A Root ID:32768.0000-0000-00001 Root :A Root :A Root ID:32768.0000-0000-00001 Root ID:32768.0000-0000-00001 Spanning Tree Protocol Speed 100 Mbps Speed 100 Mbps Speed 100 Mbps Root Port D Port D Port Non D. Port X FA0/23 FA0/24 FA0/24 FA0/23 FA0/24 FA0/23 Root Port D Port
18. CDP E0 E0 E0 E0 E0 E0 E0 E0 HYD CHE Bombay Agra Simla DEL Surat CHE SRI S24 S50
19.
20. switch65# Config terminal switch65(config)# vtp domain zoom switch65(config)# switch65(config)# vtp mode server vtp password cisco switch65(config)# ^z switch65# show vtp status switch65(config)# vtp pruning VTP Version : 2 Configuration Revision : 0 Maximum VLANs supported locally : 64 Number of existing VLANs : 7 VTP Operating Mode : Server VTP Domain Name : zoom VTP Pruning Mode : Enabled VTP V2 Mode : Enabled VTP Traps Generation : Disabled MD5 digest : 0xE4 0x74 0xA1 0xA3 0x21 0x8D 0xF1 0xB0 Configuration last modified by 192.168.20.65 at 3-1-93 01:13:25 Local updater ID is 192.168.20.65 on interface Vl1 (lowest numbered VLAN interfa ce found) VTP Configuration – 2950 Series Switch(config)# VTP Domain <Name> Switch(config)# VTP Password <password> Switch(config)# VTP Mode <server/client/transparent> Switch(config)# VTP pruning VTP Configuration – 2900 Series Switch# VLAN Database Switch(VLAN)# VTP Domain <Name> Switch(VLAN)# VTP Password <password> Switch(VLAN)# VTP Mode <server/client/transparent> Switch(VLAN)# VTP pruning
21. Vtp client switch75# Config terminal switch75(config)# vtp domain zoom switch75(config)# switch75(config)# vtp mode Client vtp password cisco switch75(config)# ^z switch75# show vtp status switch75(config)# vtp pruning VTP Version : 2 Configuration Revision : 0 Maximum VLANs supported locally : 64 Number of existing VLANs : 7 VTP Operating Mode : Client VTP Domain Name : zoom VTP Pruning Mode : Enabled VTP V2 Mode : Enabled VTP Traps Generation : Disabled MD5 digest : 0xE4 0x74 0xA1 0xA3 0x21 0x8D 0xF1 0xB0 Configuration last modified by 192.168.20.65 at 3-1-93 01:13:25 Local updater ID is 192.168.20.65 on interface Vl1 (lowest numbered VLAN interfa ce found)
22. Cdp Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP, r – Repeater Device ID Local Intrfce Holdtme Capability Platform Port ID HYD Fas 0/4 140 R 2500 Eth 0 S50 Fas 0/24 126 S I WS-C2950T- Fas 0/24 Agra Fas 0/8 130 R 2500 Eth 0 Simla Fas 0/10 160 R 2500 Eth 0 Bombay Fas 0/5 158 R 2500 Eth 0 Surat Fas 0/6 124 R 2500 Eth 0 CHE Fas 0/7 140 R 2520 Eth 0 Sri Fas 0/18 120 R 2611 Eth 0/0 Del Fas 0/9 150 R 2500 Eth 0 s24# Global CDP information: Sending CDP packets every 60 seconds Sending a holdtime value of 180 seconds Sending CDPv2 advertisements is enabled s24# show cdp neighbors show cdp
23. cdp2 s24# show cdp neighbors detail ------------------------- Device ID: HYD Entry address(es): IP address: 192.168.4.150 Platform: cisco 2500, Capabilities: Router Interface: FastEthernet0/4, Port ID (outgoing port): Ethernet0 Holdtime : 131 sec Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-P-L), Version 12.0(24), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Mon 30-Sep-02 20:43 by srani advertisement version: 1 ------------------------- Device ID: s50 Entry address(es): IP address: 192.168.20.50 Platform: cisco WS-C2950T-24, Capabilities: Switch IGMP Interface: FastEthernet0/24, Port ID (outgoing port): FastEthernet0/24 Holdtime : 177 sec --More--
24. cdp3 Version : Cisco Internetwork Operating System Software IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(12c)EA1, RELEASE SOFTWA (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Sun 24-Nov-02 23:31 by antonino advertisement version: 2 Protocol Hello: OUI=0x00000C, Protocol ID=0x0112; payload len=27, value=00000 0FFFFFFFF010221FF000000000000000BFDFE9800FF0000 VTP Management Domain: ‘zoom' Native VLAN: 1 Duplex: full ------------------------- Device ID: Agra Entry address(es): IP address: 192.168.8.150 Platform: cisco 2500, Capabilities: Router Interface: FastEthernet0/8, Port ID (outgoing port): Ethernet0 Holdtime : 174 sec Version : -- More --
25. Cdp4 Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.1(12b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Fri 01-Feb-02 07:30 by kellythw advertisement version: 2 Duplex: half ------------------------- Device ID: SIMLA Entry address(es): IP address: 192.168.10.150 Platform: cisco 2500, Capabilities: Interface: FastEthernet0/10, Port ID (outgoing port): Ethernet0 Holdtime : 141 sec Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.0(9), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2000 by cisco Systems, Inc. Compiled Mon 24-Jan-00 21:19 by bettyl advertisement version: 1 --More--
26. Cdp5 ------------------------- Device ID: Bombay Entry address(es): IP address: 192.168.5.150 Platform: cisco 2500, Capabilities: Router Interface: FastEthernet0/5, Port ID (outgoing port): Ethernet0 Holdtime : 135 sec Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-P-L), Version 12.0(24), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Mon 30-Sep-02 20:43 by srani advertisement version: 1 ------------------------- Device ID: surat Entry address(es): IP address: 192.168.6.150 Platform: cisco 2500, Capabilities: Router Interface: FastEthernet0/6, Port ID (outgoing port): Ethernet0 Holdtime : 158 sec -- More--
27. cdp6 Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.1(12b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Fri 01-Feb-02 07:30 by kellythw advertisement version: 2 Duplex: half ------------------------- Device ID: CHE Entry address(es): IP address: 192.168.7.150 Platform: cisco 2520, Capabilities: Router Interface: FastEthernet0/7, Port ID (outgoing port): Ethernet0 Holdtime : 173 sec Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.1(12b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Fri 01-Feb-02 07:30 by kellythw advertisement version: 2 Duplex: half --More--
28. cdp7 Device ID: sri Entry address(es): IP address: 192.168.11.150 Platform: cisco 2611, Capabilities: Router Interface: FastEthernet0/18, Port ID (outgoing port): Ethernet0/0 Version : Cisco Internetwork Operating System Software IOS (tm) C2600 Software (C2600-I-M), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Tue 07-Dec-99 02:12 by phanguye ------------------------- Device ID: del Entry address(es): IP address: 192.168.9.150 Platform: cisco 2500, Capabilities: Router Interface: FastEthernet0/9, Port ID (outgoing port): Ethernet0 Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-P-L), Version 12.0(24), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Mon 30-Sep-02 20:43 by srani advertisement version: 1
29. cdp8 s24# show cdp interface fa 0/24 FastEthernet0/24 is up, line protocol is up Encapsulation ARPA Sending CDP packets every 60 seconds Holdtime is 180 seconds
30. chennai# chennai# Global CDP information: Sending CDP packets every 60 seconds Sending a holdtime value of 180 seconds Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP, r - Repeater Device ID Local Intrfce Holdtme Capability Platform Port ID Ban Ser 0 145 R 2509 Ser 1 Hyd Ser 1 141 R 2500 Ser 0 S50 Eth 0 124 S I WS-C2950T-Fas 0/2 show cdp show cdp neighbors
31. Cdp r 2 chennai# show cdp neighbors detail ------------------------- Device ID: s50 Entry address(es): IP address: 192.168.20.50 Platform: cisco WS-C2950T-24, Capabilities: Switch IGMP Interface: Ethernet0, Port ID (outgoing port): FastEthernet0/2 Version : Cisco Internetwork Operating System Software IOS - C2950 Software (C2950-I6Q4L2-M), Version 12.1(12c), RELEASE SOFTWAR Copyright (c) 1986-2002 by cisco Systems, Inc. ------------------------- Device ID: ban Entry address(es): IP address: 11.0.0.2 Platform: cisco 2509, Capabilities: Router Interface: Serial0, Port ID (outgoing port): Serial1 Holdtime : 121 sec Version : Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.1(12b), RELEASE SOFTWARE Copyright (c) 1986-2002 by cisco Systems, Inc. -- More --
32. Cdp r 3` Device ID: hyd Entry address (es): IP address: 10.0.0.1 Platform: Cisco 2500, Capabilities: Router Interface: Serial1, Port ID (outgoing port): Serial0 Hold time : 175 sec Version : Cisco Internet work Operating System Software IOS (tm) 2500 Software (C2500-I-L), Version 12.1(12b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by Cisco Systems, Inc. show cdp interface Ethernet0 is up, line protocol is up Encapsulation ARPA Sending CDP packets every 60 seconds Hold time is 180 seconds Serial0 is up, line protocol is up Encapsulation HDLC Sending CDP packets every 60 seconds Hold time is 180 seconds Serial1 is up, line protocol is up Encapsulation HDLC Sending CDP packets every 60 seconds chennai#