Find the Root Bridge
最小：priority ( 可手動設定，預設值為32768 + Vlan ID) + MAC address
Find the Root Port
Find the Designated Port ( D Port )
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do sh spanning-treedo sh spanning-treedo sh spanning-treeip 192.168.1.1 255.255.255.0ping 192.168.1.2ip 192.168.1.2 255.255.255.0ping 192.168.1.1int range e0/0 - 1channel-group 1 mode ondo sh etherchannel summarydo sh spanning-treeint range e0/0 - 1shutchannel-group 1 mode onno shutdo sh etherchannel summarydo sh spanning-treewget ftp://ftp.shrubbery.net/pub/tac_plus/tacacs-F4.0.4.28.tar.gztar zxvf tacacs-F4.0.4.28.tar.gzcd tacacs-F4.0.4.28./configureapt install bisonapt install bison --fix-missingapt install libwrap0-dev./configuremake install gedit /etc/ld.so.confinclude /etc/ld.so.conf.d/*.conf
/usr/libip addr add 192.168.1.2/24 brd + dev eth0ping 192.168.1.1useradd anidapasswd anida./tac_pwdgedit tac_plus.confkey = ccie
accounting file = /var/log/tac.acct
user = user {
member = user5
login = des aerYSwBGbhIlo
}
group = user5 {
service = exec {
priv-lvl = 5
}
}./tac_plus -C ./tac_plus.conf -Gint e0/0ip add 23.1.1.2 255.255.255.0no shutexitaaa new-modeltacacs server TACACS-SERVERadd ipv4 192.168.1.2key ccieexitaaa authentication login List_Login group tacacs+ localline console 0 login authentication List_Loginline vty 0 4login authentication List_Loginaaa authentication enable default group tacacs+ enableaaa authorization exec List_Priv group tacacs+ localline console 0 authorization exec List_Privexitaaa authorization consoleline vty 0 4authorization exec List_Privline console 0 accounting exec List_Accaccounting commands 5 List_Comm_5accounting commands 10 List_Comm_10accounting commands 15 List_Comm_15line vty 0 4accounting exec List_Accaccounting commands 5 List_Comm_5accounting commands 10 List_Comm_10accounting commands 15 List_Comm_15do telnet 23.1.1.3int e0/0ip add 23.1.1.3 255.255.255.0no shutint e0/1ip add 192.168.1.1 255.255.255.0no shut