Juniper防火墻丟失ScreenOS
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Juniper的防火墻是一臺硬件防火墻,有硬件系統(tǒng)也有軟件系統(tǒng)也就是ScreenOS,硬件會出故障軟件自然也會出故障,在實際使用中我就碰到過多次Juniper防火墻ScreenOS丟失的情況,大多數(shù)情況是因為突然斷電造成的。
下面就介紹一下如何在丟失ScreenOS的情況下重新安裝ScreenOS。
將PC機與防火墻用console線和網(wǎng)線相連接。
斷電重啟防火墻,在命令行提示有Hit any key to run loader時,按任意鍵進入Loader。
根據(jù)提示,輸入Boot File Name、Self IP Address和TFTP IP Address。同時打開TFTP軟件,設置好下載目錄。
重啟后在超級終端會出現(xiàn)如下提示:
NetScreen NS-5GT Boot Loader Version 2.1.0 (Checksum: 61D07DA5)
Copyright (c) 1997-2003 NetScreen Technologies, Inc.
Total physical memory: 128MB
Test - Pass
Initialization.... Done
Hit any key to run loader
Hit any key to run loader
Hit any key to run loader
敲擊任意鍵進入設置界面
Serial Number [0064042006003887]: READ ONLY
HW Version Number [1010]: READ ONLY 3
Self MAC Address [0014-f695-75e0]: READ ONLY
Boot File Name [ns5gt.5.0.0r8.1]: ns5gt.5.4.0r1.0 //輸入你你ScreenOS文件名
Self IP Address [192.168.1.1]: 192.168.3.1 //設置防火墻trust口的ip地址
TFTP IP Address [192.168.1.254]: 192.168.3.180 //輸入你pc機的ip地址,也就是你tftp的地址
Save loader config (56 bytes)... Done
Loading file "ns5gt.5.4.0r1.0"...
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Loaded Successfully! (size = 9,832,696 bytes)
Ignore p_w_picpath authentication!
Save to on-board flash disk? (y/[n]/m) Yes! //確認下載ScreenOS
Saving system p_w_picpath to on-board flash disk...
Done! (size = 9,832,696 bytes)
Run downloaded system p_w_picpath? ([y]/n) Yes! //確認執(zhí)行新的ScreenOS
Start loading...
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安裝好ScreenOS之后重啟防火墻,這樣就完成了ScreenOS的回復,一般來說原有的配置應該還會在,如果配置也丟失了,可以講以前保存過的配置文件導入。