
<p class="wp-block-paragraph"> éåéå¸ï¼é 便çåçè¨ï¼è¥æé¯èª¤è«ä¸åææã </p>



<p class="wp-block-paragraph">Junosåºæ¬æä½årootå¯ç¢¼è¨å®å¯åèæä¹åçæç« ï¼<a href="https://kerker.website/juniper-junos%E5%9F%BA%E6%9C%AC%E6%93%8D%E4%BD%9C%E3%80%81root%E5%AF%86%E7%A2%BC%E8%A8%AD%E5%AE%9A/">Juniper Junosåºæ¬æä½ãrootå¯ç¢¼è¨å®</a></p>



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<p class="wp-block-paragraph">arp表(ipv4)ãndp表(ipv6)æ¯ç¨ä¾åIP-MACè³è¨å°æçï¼è®ç¬¬äºå±¤ç交æå¾ä»¥é æ¢ï¼çºäºé¿å IPéå°ååï¼æåå¯ä»¥å¨Gateway端è¨å®åºå®arpï¼è®ç¹å®IPå°æå°ç¹å®çmacå°åã</p>



<p class="wp-block-paragraph">é常å¨ä½çºGatewayçä»é¢æé»å°é»ä»é¢æåå¯ä»¥çå°è©²ç¶²æ®µçarp表ï¼ééshow arpæ令å¯ä»¥åå°éä¸é»ï¼ééæåç¨ä¹ååçé»å°é»IPä¾å測試ï¼æåå¯ä»¥çå°å°ç«¯çIP-MACå°æè³è¨ã</p>



<pre class="wp-block-code"><code> root@10.0.0.2> show arp interface ge-0/0/23.0 
 MAC Address Address Name Interface Flags
 64:c3:d6:66:8b:f3 10.0.0.1 10.0.0.1 ge-0/0/23.0 none</code></pre>



<p class="wp-block-paragraph">å¦ææè¦éå®éåarp表ï¼èä¸è®å ¶ä»å°IPè¨å®æ10.0.0.1çè¨åå½±é¿ï¼é£æåå°±å¯ä»¥å¨è¨å®æ¨¡å¼ä¸ä½¿ç¨ä¸åæ令ä¾éå®ï¼</p>



<pre class="wp-block-code"><code> set interfaces ge-0/0/23 unit 0 family inet address 10.0.0.2/30 arp 10.0.0.1 mac 64:c3:d6:66:8b:f3</code></pre>



<p class="wp-block-paragraph">è¨å®å®æè¨å¾è¦commitææçæï¼æ´å¤éæ¼commitæ令çå §å®¹å¯ä»¥åèï¼<a href="https://kerker.website/juniper-junos%E6%8F%90%E4%BA%A4%E8%A8%AD%E5%AE%9Acommit/">Juniper Junosæ交è¨å®(commit)</a> </p>



<p class="wp-block-paragraph"></p>



<p class="wp-block-paragraph">使ç¨show configuration interface ge-0/0/23ä¾æ¥çè¨å®æªå¤§æ¦é·é樣ï¼</p>



<pre class="wp-block-code"><code> root@10.0.0.2> show configuration interfaces ge-0/0/23 
 description 10.0.0.1/30;
 unit 0 {
 family inet {
 address 10.0.0.2/30 {
 arp 10.0.0.1 mac 64:c3:d6:66:8b:f3;
 }
 }
 }</code></pre>



<p class="wp-block-paragraph">èndp表çè¨å®æ¹å¼ä¹å·®ä¸å¤ï¼è¨å®æ ¼å¼å¦ä¸ï¼æ¥çè¨å®æªå¤§æ¦é·é樣ï¼</p>



<pre class="wp-block-code"><code> set interfaces [interface] unit 0 family inet6 address [ipv6] ndp [ipv6] mac [mac]</code></pre>

[Juniper] Junos固定arp、ndp
