https://jal.tw/ Wed, 29 Apr 2026 14:42:04 +0000 FeedCreator 1.8 https://jal.tw/_media/wiki:dokuwiki.svg https://jal.tw/ https://jal.tw/juniper:junos:basic-config?rev=1352824505&do=diff Juniper JUNOS Bacic Configuration Juniper JUNOS 乾淨的系統基本要設定的東西 Basic Config system { host-name HOSTNAME_you_want; domain-name IF_NEED; time-zone Asia/Taipei; name-server { 2001:4860:4860::8888; 8.8.8.8; 8.8.4.4; } syslog { user * { any emergency; } host 1.1.1.1 { any any; facility-override local5; } file messages { any notice; authorization info; … anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 16:35:05 +0000 https://jal.tw/juniper:junos:delete-interface?rev=1352796983&do=diff 刪除所有 Interface 純粹個人用，不要問為什麼... Command delete interfaces ge-0/0/0 delete interfaces ge-0/0/1 delete interfaces ge-0/0/2 delete interfaces ge-0/0/3 delete interfaces ge-0/0/4 delete interfaces ge-0/0/5 delete interfaces ge-0/0/6 delete interfaces ge-0/0/7 delete interfaces ge-0/0/8 delete interfaces ge-0/0/9 delete interfaces ge-0/0/10 delete interfaces ge-0/0/11 delete interfaces ge-0/0/12 delete interfaces ge-0/0/13 delete interfaces ge-0/0/14 delete interfaces ge-0/0/15 delete interfaces g… anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 08:56:23 +0000 https://jal.tw/juniper:junos:full-reset?rev=1353398190&do=diff JUNOS FULL RESET Pure reset to “Factory default”, means doesn't have root password. Command * 其實這指令一直感覺不是很 OK，因為都清得不是很乾淨 root> request system zeroize warning: System will be rebooted and may not boot without configuration Erase all data, including configuration and log files? [yes,no] (no) yes warning: zeroizing re0 ......... ......... anonymous@undisclosed.example.com (Anonymous) Tue, 20 Nov 2012 07:56:30 +0000 https://jal.tw/juniper:junos:led-alarm?rev=1352786311&do=diff JUNOS Alarm LED 燈號 因為有幾個狀況會導致它紅色或橘色，有些東西處理後，它就會變回綠色了。 Managerment Port 在有獨立 Management Port 的機器 (EX, J-router, M-router)，如果Manager 沒有 Link UP, LED 就會顯示紅色 anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 05:58:31 +0000 https://jal.tw/juniper:junos:link-agg?rev=1352605515&do=diff JUNOS Link Aggregation Command * Static Link Aggregation(without lacp) set chassis aggregated-devices ethernet device-count 10 set interfaces ge-0/0/0 ether-options 802.3ad ae0 set interfaces ge-0/0/1 ether-options 802.3ad ae0 * LACP/802.3ad, this mode can compatible with VMware ESXi Route based on IP hash anonymous@undisclosed.example.com (Anonymous) Sun, 11 Nov 2012 03:45:15 +0000 https://jal.tw/juniper:junos:routing-instances?rev=1352821966&do=diff JUNOS routing-instances 其概念有一點點類似大型 Router 的 logical-routers，不過 routing-instances 沒有像 logical-routers 可以切割的那麼完整，應付小型的分割其實是足夠的。 instance-type * forwarding * Forwarding instance anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 15:52:46 +0000 https://jal.tw/juniper:junos:routing-options?rev=1352824775&do=diff JUNOS Routing Options static route rib routing-options { rib inet.0 { static { route 0.0.0.0/0 next-hop 1.1.1.1; route 10.38.0.0/16 next-hop 10.255.255.1; } } rib inet6.0 { static { route ::/0 next-hop 2001:b030:ffff::1; route 2001:b030:ffff:38::/64 next-hop 2001:b030:ffff:f5::1; } } } anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 16:39:35 +0000 https://jal.tw/juniper:junos:routing-policy?rev=1352824152&do=diff JUNOS Routing Policy 在 JUNOS 稱之為 Routing Policy or Filter-Based Forwarding，不過一般我們比較常叫他 Policy Based Route。 Example 以下例子為我要將 port 80 的 traffic 從原本的 routing 裡另外轉送到指定的路由器去，如果以 port 80 為例，通常 ISP 是拿來做 TCS(Transparent Cache Switching)，且由於 Cache Server 現在都可以帶原本的 Real Client IP 繼續往外送，回來的時候封包再次經過 Cache Server，就可以達到 Cache 的效果了，且使用者完全不會知道。如果是用於 port 25，則是可以處理類似 Transparent SPAM。… anonymous@undisclosed.example.com (Anonymous) Tue, 13 Nov 2012 16:29:12 +0000 https://jal.tw/juniper:junos:tcpdump?rev=1393414153&do=diff JUNOS tcpdump command sample tcpdump -w /tmp/ipsec.pcap -nnXSs 1500 -i fe-0/0/2.0 udp and host 123.123.123.123 anonymous@undisclosed.example.com (Anonymous) Wed, 26 Feb 2014 11:29:13 +0000