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2.1 ϵͳģʽ¼°Çл»

ģʽÃû³Æ ÆÕͨÓû§Ä£Ê½ ģʽ½øÈë·½·¨ ϵͳÌáʾ·û Í˳ö·½·¨ ¹¦ÄÜ˵Ã÷ µÇ¼É豸 Hostname> Ö´ÐÐexitÃüÁîÍ˳ö ¡¤¸Ä±äÖÕ¶ËÉèÖà ¡¤Ö´Ðлù±¾²âÊÔ ¡¤ÏÔʾϵͳÐÅÏ¢ ÌØÈ¨Óû§Ä£Ê½ È«¾ÖÅäÖÃģʽ ½Ó¿ÚÅäÖÃģʽ ÔÚÆÕͨÓû§Ä£Ê½ÏÂÖ´ÐÐenableÃüÁî Hostname# Ö´ÐÐdisable»òÕßexitÃüÁîÍ˻ص½ÆÕͨÓû§Ä£Ê½ Ö´ÐÐdisable»òÕßexitÃüÁîÍ˻ص½ÆÕͨÓû§Ä£Ê½ Ö´ÐÐexitÃüÁîÍ˻ص½È«¾ÖÅäÖÃģʽ Ö´ÐÐendÃüÁîÍ˻ص½ÌØÈ¨Óû§Ä£Ê½ ¡¤ÅäÖÃÉ豸ÔËÐвÎÊý ¡¤ÏÔʾÉ豸ÔËÐÐÐÅÏ¢ ¡¤ÅäÖÃÉ豸ÔËÐÐËùÐèµÄÈ«¾Ö²ÎÊý ÔÚÌØÈ¨Óû§Ä£Ê½Hostname(config)# ÏÂÖ´ÐÐconfigure terminalÃüÁî ÔÚÈ«¾ÖģʽÏÂÖ´ÐÐinterfaceÃüÁͬʱָ¶¨ÏàÓ¦µÄ½Ó¿Ú»òÕß½Ó¿Ú×飩 Hostname(config-if-xxx[number])# »òÕß Hostname(config-if-group[number])# Hostname(config-fs)# ÔÚ¸ÃģʽÏÂÅäÖÃÉ豸½Ó¿Ú£¬°üÀ¨£º ¡¤ÅäÖø÷ÖÖÀàÐÍµÄ½Ó¿Ú ¡¤ÅäÖýӿÚ×é ÎļþϵͳÅäÖÃģʽ ·ÃÎÊÁбíÅäÖÃģʽ ÔÚÌØÈ¨Óû§Ä£Ê½Ö´ÐÐfilesystemÃüÁî Ö´ÐÐexitÃüÁîÍ˻ص½ÌØÈ¨Óû§Ä£Ê½ ¡¤½øÐÐÉ豸µÄÎļþϵͳµÄ¹ÜÀí ÔÚÈ«¾ÖÅäÖÃģʽÏ£¬Ö´ÐÐip access-list standardÃüÁî»òÕßip access-list extendedÃüÁî Hostname(config-std-nacl)# Hostname(config-ext-nacl)# Ö´ÐÐexitÃüÁîÍ˻ص½È«¾ÖÅäÖÃģʽ Ö´ÐÐ endÃüÁîÍ˻ص½ÌØÈ¨Óû§Ä£Ê½ ÅäÖÃACL·ÃÎÊÁÐ±í£¬ÆäÈÎÎñ°üÀ¨£º ¡¤ÅäÖñê×¼·ÃÎÊÁÐ±í ¡¤ÅäÖÃÀ©Õ¹·ÃÎÊÁбí 2

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2.2 »ù´¡ÅäÖÃ

2.2.1 ÅäÖÃÖ÷»úÃû

#configure terminal ++½øÈëÈ«¾Öģʽ++

(config)#hostname SQYH-A ++ÉèÖÃÖ÷»úÃûSQYH-A ++ (config)#exit ++Í˳öÈ«¾Öģʽ++

2.2.2 ÅäÖÃÕË»§

(config)#user admin password 0 admin ++ÅäÖÃÓû§admin£¬ÃÜÂëΪadmin ++

(config)#user admin privilege 15 ++ÅäÖÃÓû§adminµÄÊÚȨ¼¶±ðΪ15£¬0-15£¬Ä¬ÈÏΪ1 ++

2.2.3 ÅäÖõǽ

Telnet怫

#configure terminal ++½øÈëÈ«¾Öģʽ++ (config)# line vty 0 4 ++½øÈëvtyÅäÖÃģʽ++

(config-line)#password 0 admin ++ÉèÖõǽÃÜÂëΪadmin£¬½»»¥Ä£Ê½ÏÂÖ»ÄÜÓÃÃ÷ÎÄ++ (config-line)#login ++ÆôÓÃloginÃÜÂëÈÏÖ¤++

(config)#privilege level 15 ++ÅäÖõǽÓû§È¨ÏÞ¼¶±ð£¬Ä¬ÈÏΪ1++

(config-line)#exec-timeout 10 0 ++ÉèÖÿÕÏг¬Ê±Ê±¼äΪ10·Ö0Ã룬ĬÈÏΪ5·ÖÖÓ++

Console怫

#configure terminal ++½øÈëÈ«¾Öģʽ++ (config)# line con 0 ++½øÈëvtyÅäÖÃģʽ++

(config)#password 0 admin ++ÉèÖõǽÃÜÂëΪadmin£¬½»»¥Ä£Ê½ÏÂÖ»ÄÜÓÃÃ÷ÎÄ++ (config-line)#login ++ÆôÓÃloginÃÜÂëÈÏÖ¤++

(config)#privilege level 15 ++ÅäÖõǽÓû§È¨ÏÞ¼¶±ð£¬Ä¬ÈÏΪ1++

(config-line)#exec-timeout 10 0 ++ÉèÖÿÕÏг¬Ê±Ê±¼äΪ10·Ö0Ã룬ĬÈÏΪ5·ÖÖÓ++

2.2.4 ÅäÖÃVlan

#configure terminal ++½øÈëÈ«¾Öģʽ++

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(config)#vlan 3 ++´´½¨vlan3£¬²¢½øÈëvlanÊÓͼ++ (config-vlan3)#name hulian ++ΪvlanÃüÃû++ (config-vlan3)#exit ++Í˳övlanÊÓͼ++

(config)#interface fastethernet 0/1 ++½øÈë½Ó¿Úf0/1ÊÓͼ++

(config-if-fastethernet0/1)#switchport mode access ++½Ó¿ÚģʽΪaccess++ (config-if-fastethernet0/1)#switchport access vlan 3 ++½«ÎïÀí½Ó¿Ú»®µ½vlan3++ (config)#interface vlan 3 ++½øÈëvlan½Ó¿ÚÊÓͼ++

(config-if-vlan3)#ip address 192.168.1.1 255.255.255.0 ++ÅäÖÃvlan½Ó¿ÚIPµØÖ·++ (config-if-vlan3)#description hulianjiekou ++vlan½Ó¿ÚÃèÊö++ (config-if-vlan3)#no shutdown ++ÊÖ¶¯¼¤»î½Ó¿Ú++

2.2.5 ÅäÖÃÊ±Çø

#configure terminal ++½øÈëÈ«¾Öģʽ++

(config)# clock timezone BEIJING ++ĬÈÏΪUTC++ (config)#exit

#clock yy mm dd hh mm ss ++ÅäÖÃϵͳʱ¼ä++

2.3 ÅäÖö˿Ú

#configure terminal ++½øÈëÈ«¾Öģʽ++

(config)#interface gigabitethernet0/1 ++½øÈëÎïÀí½Ó¿ÚGi0/1++ (config-if-gigabitethernet0/1)#description to-yinlian ++½Ó¿ÚÃèÊö++

(config-if-gigabitethernet0/1)#speed 100 ++ÊÖ¹¤Ö¸¶¨½Ó¿ÚËÙÂÊ£¬ºÍ¶Ô¶Ë±£³ÖÒ»ÖÂ++ (config-if-gigabitethernet0/1)#duplex ful l ++ÊÖ¹¤Ö¸¶¨È«Ë«¹¤Ä£Ê½£¬ºÍ¶Ô¶Ë±£³ÖÒ»ÖÂ++ (config-if-gigabitethernet0/1)#switchport access vlan 2 ++½«¶Ë¿Ú»®Èëvlan 2++

2.4 ÅäÖÃTrack

#ÅäÖÃTrack×é1¼à¿Ø½»»»¶Ë¿Úfastethernet 0/0״̬ (config)#track 1

(config-track)#switchport fastethernet 0/0

#ÅäÖÃTrack×é1¼à¿Ø½Ó¿Úgigabitethernet0ÍøÂç²ãЭÒé״̬

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(config)#track 1

(config-track)#interface gigabitethernet0 line-protocol

#ÅäÖÃTrack×é1¼à¿Øµ½ÍøÂç10.1.1.0 255.255.255.0µÄ·ÓɿɴïÐÔ (config)#track 1

(config-track)#ip-route 10.1.1.0 255.255.255.0

#ÅäÖÃTrack×é1¼à¿ØBFD»á»°£¬BFD»á»°½Ó¿ÚΪgigabitethernet0£¬¶Ô¶ËIPµØÖ·Îª10.0.0.2£¬±¾¶ËIPµØÖ·Îª10.0.0.1 (config)#track 1

(config-track)#bfd interface gigabitethernet0 remote-ip 10.0.0.2 local-ip 10.0.0.1

2.5 ÅäÖÃMSTP

#configure terminal ++½øÈëÈ«¾Öģʽ++

(config)# spanning-tree enable ++ʹÄÜÉú³ÉÊ÷ЭÒé++

(config)# spanning-tree mst configuration ++½øÈëmstÓòÅäÖÃÊÓͼ++ (config-mst-region)# region-name CEB ++ÅäÖÃmstÓòÃûΪCEB++

(config-mst-region)# revision-level 1 ++ÅäÖÃmstÓòµÄÐÞ¶©¼¶±ðΪ1£¬È±Ê¡Îª0++ (config-mst-region)# instance 1 vlan 1-4094 ++ÅäÖÃvlan1-4094Ó³Éäµ½Éú³ÉÊ÷ʵÀý1++ (config-mst-region)# active configuration pending ++±ØÐëÅäÖ㬼¤»îmstÓò²ÎÊý++ (config-mst-region)# exit

(config)#spanning-tree mst instance 1 priority 0 ++ÅäÖÃÉ豸ÔÚÉú³ÉÊ÷ʵÀý1ÖеÄÍøÇÅÓÅÏȼ¶Îª0£¬¼´Ö¸¶¨Îª¸ùÍøÇÅ++

2.6 ÅäÖÃVRRP

#configure terminal ++½øÈëÈ«¾Öģʽ++ (config)#interface vlan 3++½øÈëvlan½Ó¿ÚÊÓͼ++

(config-if-vlan3)#ip address 192.168.1.252 255.255.255.0 ++ÅäÖÃvlan½Ó¿ÚµÄʵµØÖ·++ (config-if-vlan3)#vrrp 3 ip 192.168.1.254 ++vrrp×éºÅΪ3£¬Ð鵨ַ192.168.1.254++ (config-if-vlan3)#vrrp 3 priority 120 ++ÉèÖÃÓÅÏȼ¶Îª120(ĬÈÏÓÅÏȼ¶Îª100)£¬ÈôÓÅÏȼ¶Ïàͬ£¬ÔòipµØÖ·´óµÄ³ÉΪMaster++

(config-if-vlan3)#vrrp 3 preempt ++ÅäÖÃΪÇÀռģʽ++

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