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<strong>switch命令大全</strong>
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<td colspan="2" class="chinesefont105pt"> <BR>51. 當(dāng)某個(gè)交換機(jī)的第3層交換失效時(shí)，可在交換機(jī)的特權(quán)模式下輸入下列命令： </P>
<P>switch(enable) set mls enable </P>
<P>52. 若想改變老化時(shí)間的值，可在特權(quán)模式下輸入以下命令： </P>
<P>switch(enable) set mls agingtime agingtime </P>
<P>53. 設(shè)置快速老化： </P>
<P>switch(enable) set mls agingtime fast fastagingtime pkt_threshold </P>
<P>54. 確定那些MLS-RP和MLS-SE參與了MLS，可先顯示交換機(jī)引用列表中的內(nèi)容再確定： </P>
<P>switch(enable) show mls include </P>
<P>55. 顯示MLS高速緩存記錄： </P>
<P>switch(enable) show mls entry </P>
<P>56. 用命令show in arp顯示ARP高速緩存區(qū)的內(nèi)容。 </P>
<P>57. 要把路由器配置為HSRP備份組的成員，可以在接口配置模式下使用下面的命令： </P>
<P>router(config-if)# standby group-number ip ip-address </P>
<P>58. 為了使一個(gè)路由器重新恢復(fù)轉(zhuǎn)發(fā)路由器的角色，在接口配置模式下： </P>
<P>router(config-if)# standy group-number preempt </P>
<P>59. 訪問時(shí)間和保持時(shí)間參數(shù)是可配置的： </P>
<P>router(config-if)# standy group-number timers hellotime holdtime </P>
<P>60. 配置HSRP跟蹤： </P>
<P>router(config-if)# standy group-number track type-number interface-priority </P>
<P>61. 要顯示HSRP路由器的狀態(tài)： </P>
<P>router# show standby type-number group brief </P>
<P>62. 用命令show ip igmp確定當(dāng)選的查詢器。 </P>
<P>63. 啟動(dòng)IP組播路由選擇： </P>
<P>router(config)# ip muticast-routing </P>
<P>64. 啟動(dòng)接口上的PIM： </P>
<P>dalllasr1>(config-if)# ip pim {dense-mode|sparse-mode|sparse-dense-mode} </P>
<P>65. 啟動(dòng)稀疏-稠密模式下的PIM： </P>
<P>router# ip multicast-routing </P>
<P>router# interface type number </P>
<P>router# ip pim sparse-dense-mode </P>
<P>66. 核實(shí)PIM的配置： </P>
<P>dallasr1># show ip pim interface[type number] [count] </P>
<P>67. 顯示PIM鄰居： </P>
<P>dallasr1># show ip neighbor type number </P>
<P>68. 為了配置RP的地址，命令如下： </P>
<P>dallasr1># ip pim rp-address ip-address [group-access-list-number][override] </P>
<P>69. 選擇一個(gè)默認(rèn)的RP： </P>
<P>dallasr1># ip pim rp-address </P>
<P>通告RP和它所服務(wù)的組范圍： </P>
<P>dallasr1># ip pim send-rp-announce type number scope ttl group-list access-list-number </P>
<P>為管理范圍組通告RP的地址： </P>
<P>dallasr1># ip pim send-rp-announce ethernet0 scope 16 group-list1 </P>
<P>dallasr1># access-list 1 permit 266.0.0.0 0.255.255.255 </P>
<P>設(shè)定一個(gè)RP映像代理： </P>
<P>dallasr1># ip pim send-rp-discovery scope ttl </P>
<P>核實(shí)組到RP的映像： </P>
<P>dallasr1># show ip pim rp mapping </P>
<P>dallasr1># show ip pim rp [group-name|group-address] [mapping] </P>
<P>70. 在路由器接口上用命令ip multicast ttl-threshold ttl-value設(shè)定TTL閥值： </P>
<P>dallasr1>(config-if)# ip multicast ttl-threshold ttl-value </P>
<P>71. 用show ip pim neighbor顯示PIM鄰居表。 </P>
<P>72. 顯示組播通信路由表中的各條記錄： </P>
<P>dallasr1>show ip mroute [group-name|group-address][scoure][summary][count][active kbps] </P>
<P>73. 要記錄一個(gè)路由器接受和發(fā)送的全部IP組播包： </P>
<P>dallasr1> #debug ip mpacket [detail] [access-list][group] </P>
<P>74. 要在CISCO路由器上配置CGMP： </P>
<P>dallasr1>(config-if)# ip cgmp </P>
<P>75.配置一個(gè)組播路由器，使之加入某一個(gè)特定的組播組： </P>
<P>dallasr1>(config-if)# ip igmp join-group group-address </P>
<P>76. 關(guān)閉 CGMP： </P>
<P>dallasr1>(config-if)# no ip cgmp </P>
<P>77. 啟動(dòng)交換機(jī)上的CGMP： </P>
<P>dallasr1>(enable) set cgmp enable </P>
<P>78. 核實(shí)Catalyst交換機(jī)上CGMP的配置情況： </P>
<P>catalystla1>(enable) show config </P>
<P>set prompt catalystla1> </P>
<P>set interface sc0 192.168.1.1 255.255.255.0 </P>
<P>set cgmp enable </P>
<P>79. CGMP離開的設(shè)置： </P>
<P>Dallas_SW(enable) set cgmp leave </P>
<P>80. 在Cisco設(shè)備上修改控制端口密碼： </P>
<P>R1(config)# line console 0 </P>
<P>R1(config-line)# login </P>
<P>R1(config-line)# password Lisbon </P>
<P>R1(config)# enable password Lilbao </P>
<P>R1(config)# login local </P>
<P>R1(config)# username student password cisco </P>
<P>81. 在Cisco設(shè)備上設(shè)置控制臺(tái)及vty端口的會(huì)話超時(shí)： </P>
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