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<channel>
	<title>oHmE &#187; General</title>
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	<description>Dont fix if aint broken</description>
	<lastBuildDate>Fri, 19 Feb 2010 04:20:29 +0000</lastBuildDate>
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			<item>
		<title>[Juniper] Reset configuration J-series JUNOS</title>
		<link>http://ebenz.indointernet.com/?p=236</link>
		<comments>http://ebenz.indointernet.com/?p=236#comments</comments>
		<pubDate>Fri, 19 Feb 2010 04:20:29 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://ebenz.indointernet.com/?p=236</guid>
		<description><![CDATA[Untuk Reset configuration di junOS, khususnya untuk j-series kita cukup menekan tombol
yg ada didalam lubang sebelah tulisan &#8220;config&#8221; tekan kurang lebih sekitar 5 menit sampe
warna led config berwarna merah dan configurasi diconsole seperti dibawah;

Broadcast Message from root@router
        (no tty) at 19:29 UTC&#8230;       [...]]]></description>
			<content:encoded><![CDATA[<p>Untuk Reset configuration di junOS, khususnya untuk j-series kita cukup menekan tombol<br />
yg ada didalam lubang sebelah tulisan &#8220;config&#8221; tekan kurang lebih sekitar 5 menit sampe<br />
warna led config berwarna merah dan configurasi diconsole seperti dibawah;</p>
<p><img src="http://ebenz.indointernet.com/wp-content/uploads/2010/02/IMG00503-20100218-1828-150x150.jpg" alt="IMG00503-20100218-1828" title="IMG00503-20100218-1828" width="150" height="150" class="alignnone size-thumbnail wp-image-237" /></p>
<p>Broadcast Message from root@router<br />
        (no tty) at 19:29 UTC&#8230;                                               </p>
<p><strong>Config button pressed </strong><br />
<strong>Committing factory default configuration</strong>                                       </p>
<p>root@router%<br />
root@router%<br />
root@router% cli<br />
root@router> edit<br />
Entering configuration mode<br />
[edit]<br />
root@router# show<br />
## Last changed: 2010-02-18 19:29:53 UTC<br />
version 8.3R1.5;<br />
system {<br />
    autoinstallation {<br />
        delete-upon-commit; ## Deletes [system autoinstallation] upon change/commit<br />
        traceoptions {<br />
            level verbose;<br />
            flag {<br />
                all;<br />
            }<br />
        }<br />
    }<br />
    services {<br />
        web-management {<br />
            http {<br />
                interface [ fe-0/0/0.0 fe-0/0/1.0 ];<br />
            }<br />
        }<br />
    }<br />
    syslog {<br />
        user * {<br />
            any emergency;<br />
        }<br />
        file messages {<br />
            any any;<br />
            authorization info;<br />
        }<br />
        file interactive-commands {<br />
            interactive-commands any;<br />
        }<br />
    }<br />
    ## Warning: missing mandatory statement(s): &#8216;root-authentication&#8217;<br />
}</p>
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		</item>
		<item>
		<title>[basic-bgp] advertising &amp; Filter prefix junOS</title>
		<link>http://ebenz.indointernet.com/?p=202</link>
		<comments>http://ebenz.indointernet.com/?p=202#comments</comments>
		<pubDate>Thu, 02 Apr 2009 03:43:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Cisco]]></category>
		<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://ebenz.indointernet.com/?p=202</guid>
		<description><![CDATA[Sebelumnya kita sudah coba config basic-bgp 
sekarang kita coba advertise IP dari juniper. 
kita bikin prefix-list IP yg akan kita advertise
=================================
ebenz@junOS# edit prefix-list export
ebenz@junOS# set 10.100.100.0/24
[edit policy-options prefix-list export]
ebenz@junOS# set 10.100.101.0/24
[edit policy-options prefix-list export]
ebenz@junOS# set 10.100.102.0/24
[edit policy-options prefix-list export]
ebenz@junOS# set 10.100.103.0/24
[edit policy-options prefix-list export]
ebenz@junOS# show
10.100.100.0/24;
10.100.101.0/24;
10.100.102.0/24;
10.100.103.0/24;
[edit policy-options prefix-list export]
ebenz@junOS# 
kemudian kita null0 supaya IP tetep exist [...]]]></description>
			<content:encoded><![CDATA[<p>Sebelumnya kita sudah coba config <a href="http://ebenz.indointernet.com/?p=199">basic-bgp</a> <img src='http://ebenz.indointernet.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /><br />
sekarang kita coba advertise IP dari juniper. </p>
<p>kita bikin prefix-list IP yg akan kita advertise<br />
=================================</p>
<p>ebenz@junOS# edit prefix-list export<br />
ebenz@junOS# set 10.100.100.0/24<br />
[edit policy-options prefix-list export]<br />
ebenz@junOS# set 10.100.101.0/24<br />
[edit policy-options prefix-list export]<br />
ebenz@junOS# set 10.100.102.0/24<br />
[edit policy-options prefix-list export]<br />
ebenz@junOS# set 10.100.103.0/24<br />
[edit policy-options prefix-list export]<br />
ebenz@junOS# show<br />
10.100.100.0/24;<br />
10.100.101.0/24;<br />
10.100.102.0/24;<br />
10.100.103.0/24;<br />
[edit policy-options prefix-list export]<br />
ebenz@junOS# </p>
<p>kemudian kita null0 supaya IP tetep exist diluar (karena ini simulasi <img src='http://ebenz.indointernet.com/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' />  ) </p>
<p>ebenz@junOS# edit routing-options static<br />
[edit routing-options static]<br />
ebenz@junOS# set route 10.100.100.0/24 reject<br />
[edit routing-options static]<br />
ebenz@junOS# set route 10.100.101.0/24 reject<br />
[edit routing-options static]<br />
ebenz@junOS# set route 10.100.102.0/24 reject<br />
[edit routing-options static]<br />
ebenz@junOS# set route 10.100.103.0/24 reject<br />
[edit routing-options static]<br />
ebenz@junOS# set route 10.100.104.0/24 reject<br />
[edit routing-options static]<br />
ebenz@junOS# </p>
<p>kemudian kita bikin statment untuk prefix-list  </p>
<p>ebenz@junOS# edit policy-options<br />
ebenz@junOS# set policy-statement export-prefix term 1 from prefix-list export    </p>
<p>[edit policy-options]<br />
ebenz@junOS# show<br />
prefix-list export {<br />
    10.100.100.0/24;<br />
    10.100.101.0/24;<br />
    10.100.102.0/24;<br />
    10.100.103.0/24;<br />
}<br />
policy-statement export-prefix {<br />
    term 1 {<br />
        from {<br />
            prefix-list export;<br />
        }<br />
    }<br />
}</p>
<p>hemm.. belum ada filtering<br />
===================</p>
<p>[edit policy-options policy-statement export-prefix term 1]<br />
ebenz@junOS# set then accept<br />
[edit policy-options policy-statement export-prefix term 1<br />
ebenz@junOS# show<br />
from {<br />
    prefix-list export;<br />
}<br />
then accept;</p>
<p>[edit policy-options]<br />
ebenz@junOS# set policy-statement export-prefix term 2 then reject<br />
[edit policy-options]<br />
ebenz@junOS# commit<br />
commit complete<br />
ebenz@junOS# show<br />
term export-list {<br />
    from {<br />
        prefix-list export;<br />
    }<br />
    then accept;<br />
}<br />
term 2 {<br />
    then reject;<br />
}<br />
[edit policy-options policy-statement export-prefix]<br />
ebenz@junOS# top<br />
[edit]<br />
ebenz@junOS# commit<br />
commit complete</p>
<p>kemudian kita pasang statment pada protocol bgp<br />
====================================</p>
<p>[edit protocols bgp]<br />
ebenz@junOS# edit group ASN-3030 </p>
<p>[edit protocols bgp group ASN-3030]<br />
ebenz@junOS# show<br />
type external;<br />
peer-as 3030;<br />
neighbor 172.16.0.204;</p>
<p>[edit protocols bgp group ASN-3030]<br />
ebenz@junOS# set export ?<br />
Possible completions:<br />
  <value>              Export policy<br />
  (                    Open an expression<br />
  [                    Open a set of values<br />
[edit protocols bgp group ASN-3030]<br />
ebenz@junOS# set export export-prefix<br />
[edit protocols bgp group ASN-3030]<br />
ebenz@junOS# commit<br />
commit complete</p>
<p>kita tengok di sebrangnya apakah sudah dapet <img src='http://ebenz.indointernet.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /><br />
===================================</p>
<p>cisco#sh ip route bgp<br />
     10.0.0.0/24 is subnetted, 4 subnets<br />
B       10.100.102.0 [20/0] via 172.16.0.202, 00:00:16<br />
B       10.100.103.0 [20/0] via 172.16.0.202, 00:00:16<br />
B       10.100.100.0 [20/0] via 172.16.0.202, 00:00:16<br />
B       10.100.101.0 [20/0] via 172.16.0.202, 00:00:16</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Konsep CIR (Committed Information Rate)</title>
		<link>http://ebenz.indointernet.com/?p=47</link>
		<comments>http://ebenz.indointernet.com/?p=47#comments</comments>
		<pubDate>Tue, 03 Jun 2008 03:38:12 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://eandriana.wordpress.com/?p=47</guid>
		<description><![CDATA[
Konsep CIR
(Committed Information Rate)
Bandwidth rasio (sharing)
Rasio bandwidth adalah besarnya bandwidth murni yang diberikan dari/ke pelanggan dibandingkan dengan banyaknya pelanggan. Misalnya: Bandwidth murni ke Internet yang diberikan adalah 64 kbps, bandwidth rasio / sharing adalah 1:2, berarti dari 1 bandwidth murni 64 kbps dibatasi untuk digunakan ke 2 pelanggan 64 kbps atau ke 3 pelanggan 64 [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://eandriana.files.wordpress.com/2008/06/20070628-bandwidth-survey1.jpg"><img src="http://eandriana.files.wordpress.com/2008/06/20070628-bandwidth-survey1.jpg?w=300" alt="" width="300" height="300" class="alignnone size-medium wp-image-48" /></a></p>
<p>Konsep CIR<br />
(Committed Information Rate)</p>
<p>Bandwidth rasio (sharing)</p>
<p>Rasio bandwidth adalah besarnya bandwidth murni yang diberikan dari/ke pelanggan dibandingkan dengan banyaknya pelanggan. Misalnya: Bandwidth murni ke Internet yang diberikan adalah 64 kbps, bandwidth rasio / sharing adalah 1:2, berarti dari 1 bandwidth murni 64 kbps dibatasi untuk digunakan ke 2 pelanggan 64 kbps atau ke 3 pelanggan 64 kbps (untuk rasio/sharing 1:3). Akibatnya pelanggan akan berebut bandwidth dan akan sangat terasa kecepatan bandwidth menurun apabila pelanggan lainnya sedang melakukan transfer data secara besar-besaran dan terus menerus. Sistem ini TIDAK digunakan oleh ISP.</p>
<p>CIR (Committed Information Rate) &#8211; yang digunakan ISP<br />
Analogi CIR diambil dari jaringan Frame Relay. CIR (dalam bits per detik) digunakan untuk mengatur flow data yang dikirimkan dari/ke pelanggan. Besar CIR normalnya adalah setengah dari besar bandwidth total. Jadi apabila menggunakan bandwidth 64kbps, maka CIR normalnya adalah 32kbps. Artinya, pada saat terjadi network congestion (jaringan jenuh / bandwidth habis &#8212; lihat penjelasan di bawah) jaminan kecepatan transfer data minimum adalah 32kbits (CIRnya bekerja) dengan catatan pada jaringan tidak terjadi gangguan apapun. Pada saat tidak terjadi network congestion, besar bandwidth ditentukan oleh EIR (Excess Information Rate) yaitu bandwidth total yang diberikan ke pelanggan (bandwidth yang disewa). Jadi pada sistem CIR, TIDAK ada pembatasan bandwidth maupun pembagian bandwidth / sharing ke pelanggan lain, kecepatan bandwidth dapat menurun hanya apabila terjadi network congestion.</p>
<p>Network Congestion (Jaringan jenuh)<br />
Network congestion dapat terjadi apabila bandwidth-bandwidth pada gateway ISP penuh. Bisa bandwidth pada Access Point Wireless, bisa bandwidth pada Ethernet, maupun bandwidth gateway-gateway Internet ISP (OIX, INDONET, ADSL dll).</p>
<p>Bandwidth Meter http://myip.indo.net.id</p>
<p>NOTE:<br />
Be carefull to be sure what bytes, bits, etc .. are &#8230;<br />
If you are not sure, please read this:</p>
<p>1 byte = 8 bits.<br />
1 kbits = 1024 bits.<br />
1 mbits = 1024 kbits = 1048576 bits.<br />
64 kbits/sec = 8 kbytes/sec.<br />
The &#8220;bit&#8221; unity is used for speeds : kbits/sec or mbits/sec.<br />
The &#8220;bytes&#8221; unity is used for data (traffic) : kbytes or mbytes.</p>
<p>thx,</p>
<p>Ervin Taufik</p>
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