awa Network

Graceful-restart in Juniper

2011-12-14T21:59:00.002+07:00

I share simple explanation about graceful-restart in Juniper router:set routing-instances R-INSTANCE-A routing-options graceful-restartExplanation is graceful-restart enable by default at the moment create routing protocols, to disable graceful-restart using:set routing-instances R-INSTANCE-A routing-options graceful-restart disableIf we load configuration from file, didn't configure line-by-line

CCIE to be continue

2011-12-01T08:32:00.001+07:00

Hi ccie reader or reader, long time I'm not update blog. I'm very busy to make my life is interesting and not bored. Many experience, new experience and even fresh experience I got. Alhamdulillah.I'll update about me. I leave from comfort zone, what is mean? I resign from ISP company and work as contractor. I work without guarantee of time, I do project, if project is finish or client don't need

Past Time ... Next Time will coming

2011-06-14T23:49:00.001+07:00

Very long time, I'm not update this blog, blog about network. Not all content this blog about network, sometime about news, technology and life. I will update my posision now, many experience life, interesting, exciting from last I post around one year. Now my job is Network Quality still in same company, but there is interesting in last two year, I have new experience, my bos give special job to

Find AS-Number BGP Neighbor without Ask Administrator

2010-07-20T11:44:00.000+07:00

I have topology with 2 router (router A & router B) :(A) 172.16.0.1 ---- 172.16.0.2 (B) ASN.65000 ---- ASN.65535- (A) already config BGP withrouter bgp 65000neighbor 172.16.0.2 remote-as 65535- (B) want to connect with A via BGP- (B) not yet get information ASN (A)- (B) how to find AS-Number (A) without ask administrator ?1. config AS-Number (B)router bgp 65535 ---> ASN (B)2. config neighbor

Manual reroute traffic 'ip ospf cost' better than auto reroute

2009-06-12T08:40:00.007+07:00

Router1#sh ip os int bInterface PID Area IP Address/Mask Cost State Nbrs F/CVl50 1 0 161.1.79.7/24 300 DR 1/1Fa0/15 1 0 161.1.78.7/24 100 BDR 1/1Lo0 1 0 150.1.7.7/24 1 LOOP 0/0Router2#sh ip os int bInterface PID Area IP Address/Mask Cost State Nbrs F/

Vlan VTP Client doesn't updated

2009-04-27T09:00:00.000+07:00

Let's back to classic mode :d learning and exploring about Cisco again. In a few months ago I'm on next mode (*red. exploring about new stuff/things).I ever happen vlan in VTP client doesn't updated, I have 3 switch for example. SW1, SW2, SW3, SW1 mode server, SW2 and SW3 mode client. SW1 and SW2 have trunk, SW1 and SW3 have trunk too. VTP configuration set domain TEST, no password. Vlan in SW2

JUNOS is cool

2009-03-31T17:19:00.000+07:00

Firstly I know Juniper with JUNOS, I learn more 'JUNOS', I don't believe JUNOS based on Unix. Every time I typing command in management CLI, it's like in Unix machine but I think Juniper make CLI like Unix not based on Unix. After I reading a book about JUNOS Software Architecture. 'The JUNOS software is based on the FreBSD Unix operating system' and I try some command like 'match' and 'trim' wow

blur sunset in last day 2008

2009-01-01T00:07:00.001+07:00

what did you get ... what did you lost ...

2008-12-31T23:12:00.002+07:00

menjelang pergantian tahun GMT+7, sedikit menengong kebelakang merenungi perjalanan ku belajar about network, simple world but many mean and many application.satu kisah yg tak terlupakan di 2008- kesempatan CCIE lab exam first time- CCIE lab exam first time failed- kehilangan kesempatan first attempt pass CCIE lab exam and get #numberbenar-benar keputusan yg besar untuk menuju CCIE, apalagi tanpa

back ...

2008-12-17T12:45:00.000+07:00

It's long time, I'm not post this blog. welcome back ...So what I do? busy? or stress? because failed CCIE a few month ago no no no. I just little busy for my daily job and busy read what is network from other side :D. So ... really stress with Cisco and change to Juniper ? no no no, I want to know more about network, how OSPF work, how BGP policy apply etc from other side and I choose Juniper. I

Cisco Kron Schedule not Cron Schedule

2008-08-20T23:05:00.000+07:00

Do you familiar with *nix Cron Schedule / *nix Crontab Schedule ? How about Kron Schedule in Cisco IOSWarning be carefull with this example about configure replace at hh:mmold configureip route 0.0.0.0 0.0.0.0 161.1.78.8new configure (flash:test)ip route 0.0.0.0 0.0.0.0 161.1.78.8 --> delete itconfigure kron scheduleconfigure terminalkron policy-list remove-static-route cli configure replace

Berbeda-beda Tetapi Tetap Satu

2008-08-17T22:55:00.000+07:00

Mungkin blog ini banyak dibahas hal-hal tentang network IP (internet protocol) dari Cisco, teknologi, konfigurasi, trik dan yang lain. Apakah hanya Cisco yang bermain dalam hal network tersebut jawabnya tidak, banyak perusahaan lain selain Cisco bermain di network sebut saja Juniper dengan JunOS-nya (sistem operasi router Juniper, sistem operasi router Cisco adalah IOS). Bisa dibilang pesaing

still ...

2008-07-26T03:17:00.000+07:00

!still losing time for my sleepstill my home browser is http://www.cisco.com/univercdstill my screen open iTerm or Terminalstill my finger typing on consolestill doing on my labstill thinking how can be routing-loop!...absolutely still going to magic number #!end- combination IGP mutual redistribute (RIP, EIGRP, OSPF).OSPF <-> RIP.OSPF <-> EIGRP.RIP <-> EIGRP*<-> mutual redistribute- OSPF mutual

Simple TCLSH, multiple ping from IOS

2008-07-16T06:02:00.000+07:00

This is simple way to multiple ping from IOS command in one way, use tclsh. tclsh is IOS scripting like shell scripting in *nix machine. Just type your script in note text, paste it in your terminal console.foreach IP {192.168.0.1192.168.1.1192.168.2.1192.168.3.1} { "ping $IP" }Router# tclshRouter(tcl)#foreach IP {+>192.168.0.1+>192.168.1.1+>192.168.2.1+>192.168.3.1+>} { "ping $IP" }Type escape

Network Time Service Cisco Router

2008-07-15T00:32:00.000+07:00

Network time in Cisco router, all configuration about date, time, clock, calendar in Cisco router. in Cisco router divide two method network time : hardware clock, software clock.# Hardware clock : date time from hardware component inside router, maintain use battery, battery-powered, like bios in computer system, so if router reload or off the clock still running as long as battery is ok#

29th Great Eagle Centre Hong Kong

2008-07-14T18:00:00.007+07:00

Victoria HarbourWelcome DisneylandGreat Eagle Centre

Failed in first attempt CCIE lab exam

2008-07-09T09:42:00.003+07:00

Actually last night i already know about result lab exam from ccie login page, i check from blackberry roaming with local operator, I failed :(Many thing i know during this journey, until now i still don't know what exact mistake in my lab, before lunch i already complete configure core and verify, the last requirement exam is test pass can ping all loopback, use tclsh, i think there explicit

Mission to Hong Kong

2008-07-09T09:34:00.004+07:00

Yesterday i did CCIE lab exam, i come to hong kong in sunday, monday go to lab place, 29th great eagle center wan chai. I'm not alone to attempt lab, we both, my friend from sampe company attempt too.Here are in hk

3 days before mission 'going to CCIE'

2008-07-05T07:20:00.002+07:00

Do yo know ? why need put 'subnets' in redistribute to OSPFMay be in OSPFv1 just concern about classfull networks :DRouter(config-router)#redistribute rip metric 1 % Only classful networks will be redistributedRouter(config-router)#redistribute rip metric 1 subnetsWhat about progress going to CCIEmy condition (last night)- health 49% increase 59% before sleep- spirit 89%this morning- health 75%

BGP AS-path Manipulation without AS-prepend

2008-07-04T00:11:00.002+07:00

This simple scenario about different way to manipulation AS-path without prepend.R1(AS100) -- R2(AS200)R1#neighbor 1.1.2.2 remote 200R2#neighbor 1.1.1.1 remote 100network 100.100.100.0 mask 255.255.255.0AS-path prefix 100.100.100.0/24 from R1 is '200 i'I will make AS-path from R1 is '500 200 i'How to make it ? manipulate it with 'local-as'R1#no neighbor 1.1.2.2 remote 200neighbor 1.1.2.2 remote

BGP is clever (% BGP : incorrect network or mask configured)

2008-07-03T00:51:00.000+07:00

Do you know why BGP is clever, she is know if I input incorrect network or mask :Dwhy she, cause' BGP is beautiful ;;)Router(config-router)#net 1.1.8.8 mask 255.255.255.0% BGP: Incorrect network or mask configuredRouter(config-router)#net 1.1.8.0 mask 255.255.255.0Router(config-router)#do sh ip int b | i 1.1.8.8Loopback0 1.1.8.8 YES NVRAM up up

12 Days Remaining CCIE RS Lab Exam

2008-06-27T04:17:00.000+07:00

Today is 12 days remaining before CCIE RS Lab Exam, preparation for Exam :# Exam Location : Hong Kong# Exam Date : July 8, 2008# Exam Payment : Paid# Invitation Letter from Cisco : Yes (pdf)# Passport Expire : July 2011# Visa : Visa on Location# Transport : Garuda Indonesia Airline# Hotel : on booking and paid# Default Web Browser : www.cisco.com/univercd# Experience on lab : 500 hours more ...#

Frame Relay Hub-Spoke without Mapping between Spoke

2008-06-23T00:35:00.001+07:00

This is example topology hub-spoke use frame-relay, but between spoke there isn't mapping. -102---201-- R2R1 --| -103---301-- R3R1 hubip add 192.168.0.1 255.255.255.0frame map ip 192.168.0.2 102 broadcastframe map ip 192.168.0.3 103 broadcastR2 spokeip add 192.168.0.2 255.255.255.0frame map ip 192.168.0.1 201 broadcastR3 spokeip add 192.168.0.3 255.255.255.0frame map ip 192.168.0.1 301

In the middle of Journey

2008-05-14T01:36:00.000+07:00

Now I'm on journey, this isn't journey about go to some place to vacation but it's journey to CCIE. hmmm what CCIE it's a food or it's new model of the car :)) no no no, there's someone say it's hall of fame, the top of certified of network hmmm some people say it because CCIE is a top of certified from Cisco but now CCIE not one track, there is several track of CCIE routing switching, service

Linux Box Terminal via Serial Cable Console

2008-04-13T23:00:00.004+07:00

Here example how to make linux box access login / terminal via serial console cable. Without monitor / keyboard cable. Use PC / Notebook with hyper terminal, minicom or Zterm via serial cable. This example use linux box with fedora core 4, minimal installation.Step by step to configure linux box via serial console1. check system serial support# dmesg | grep ttyttyS0 at I/O 0x3f8 (irq = 4) is a

Cisco Back to Back Line AUX Ports

2008-04-12T21:47:00.001+07:00

This is example back to back through line AUX ports on Cisco router.# configROUTER-A#interface Async1 description Connected to ROUTER-B ip address 172.16.4.1 255.255.255.0 encapsulation ppp async dynamic routing async mode dedicated!line aux 0 modem InOut transport input all flowcontrol hardware ROUTER-B#interface Async65 description Connected to ROUTER-A ip address 172.16.4.3 255.255.255.0

29 february ...

2008-02-29T15:53:00.000+07:00

This is last day in this month. Everyone know the date just happen every 4 year. So why I'm not doing some usefull .. hmmm 'cause I'm ... so bored, all of day not doing usefull for my CCIE. I'm in the middle of going to CCIE, I mention it after I pass written in a few month ago, after that I can get schedule for lab. My activity in a few month later and may be until my next lab schedule: work in

storm-control broadcast

2008-02-28T08:28:00.000+07:00

What is storm-control broadcast ? is there someone know what is the mean. This morning i see happen in my company network. There is router dan switch connected trunk, suddenly traffic from switch to router high almost full just one way traffic. From the switch there isn't who is generate this traffic. Check mac-address-table normal, spanning-tree ok, other trunk link in switch normal and etc.

Simple backup, Primary and Secondary Link

2008-02-27T07:23:00.001+07:00

I have simple scenario dan test about backup simple backup using ppp encapsulation link and primary link using frame-relay link. For simulation use 'no frame-relay interface-dlci 513' disable frame-relay DLCI as though there is problem from frame-relay cloud.'backup delay 60 300' : 60s for hold time backup operation, 300s for revert time to normal operation#Primary Linkinterface Serial1/0.1

'verify /md5' is nothing, still ..a valid magic number

2008-01-09T09:07:00.000+07:00

I really really under preasure yesterday in lunch time. I have critical a network with one of PE from MPLS, PE really really critical, router still on but many have error undercontrol, lost of ability from the a76 series router. So my team dedicate to uprade IOS version with new disk. Old disk in disk0 with 128MB compact flash memory and new disk with new IOS version in disk 1 with 256MB compact

'IP Source Binding' for Static IP & Mac Address

2008-01-03T08:28:00.000+07:00

A few days ago my friend ask about static IP & Mac address, want to help his customer about static IP address & mac address for LAN. I said can use 'dhcp snooping', I ever read about binding host information like IP and mac address in Cisco Switch dynamicly database using DHCP database or static but I don't know implement it.Today I try in Cisco Switch Catalyst 3560 IOS version 12.2(35)SE1 (C3560

Frame-Relay Point-to-point with '% Unrecognized command'

2007-11-28T05:55:00.000+07:00

I want to make point-to-point subinterface with Frame-Relay encapsulation in main link serial interface but there is a little confuse, here isR3(config)#int s1/0R3(config-if)#encapsulation frame-relay R3(config-if)#int s1/0.1 poinR3(config-if)#int s1/0.1 pointR3(config-if)#int s1/0.1 point-toR3(config-if)#int s1/0.1 ? % Unrecognized commandR3(config-if)#do sh run int s1/0Building

Juniper NetScreen 5GT (NetScreen-5 Series)

2007-11-21T23:24:00.000+07:00

My company implement small office router for customer equipment / CE plus value add firewall appliance that is Juniper NetScreen 5GT.First time look at the device, not sure with small dimension can handle routing table & firewall applicance, ok let see1. 5GT devide 2 segment 'trust' & 'untrust', trust is segment local / LAN, untrust is segment public / internet2. default these segment Juniper

'Typer Shark' Game for Cisco Engineering

2007-11-19T04:22:00.001+07:00

Why Cisco Engineering need to play game. It's different game with other. Beside to refresh your mine about IOS command, this game improve your skill to type word emm increase your speed to type IOS command. Let's try it, it's online game from PopCap "Sink your teeth into this action-packed educational adventure. Hungry sharks and piranhas are on the hunt as you SCUBA dive around them. Type words

Taxco-Mobile vs CoolPad

2007-11-19T04:00:00.001+07:00

Last friday, I went to exhibition 'Indocomtech 2007'. The exhibition for end customer (B2C) business to customer. One of product make me interest that is Dual-on mobile phone. One mobile phone with two number stand-by with GSM and CDMA. I already have one CoolPad 288 but very heavy :(. in this exhibition there are Taxco-Mobile with small dimension and lighter than Mito :-s.Is there any one buy my

Not all config may be removed and ...

2007-11-09T10:30:00.000+07:00

The complete warning is 'Not all config may be removed and may reappear after reactivating the sub-interface', this case almost the same with previous post about subinterface Frame Relay. But this is work but if verify still appear previous subinterface with status deleted. Work that I mean, if I attach new IP address is OK, but I don't know may be there is other feature doesn't work. Finnally I

Gateway of last resort

2007-11-06T05:55:00.000+07:00

The Gateway of last resort, what is it ? do ever hear that. Complete statement is 'Gateway of last resort is not set' still never seen before ?Here it is complete capture about thatCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF

Frame-Relay Subinterface 'cannot change link type' (part 2)

2007-11-02T13:35:00.000+07:00

I want to corection last posting about Frame-Relay Subinterface 'cannot change link type'. Last posting I mention about solution 'Now to solve this problem make default configuration subinterface, do write memory and reload the router'. The solution to this problem should be :- make disable subinterface with 'no interface s1/0.1'- do 'write memory' save configuration to startup-config- reload

Frame-Relay Subinterface 'cannot change link type'

2007-11-01T20:49:00.000+07:00

I have problem with Frame Relay enable on subinterface, set 'frame-relay encapsulation' on main interface and enable subinterface with multipoint, configure use static layer 3 to layer 2 with 'frame-relay map ip'. Then a few minutes later I change point-to-point type subinterface with point-to-point, what happen ? let's check it out.R1#interface Serial1/0 no ip address encapsulation frame-relay

Load Balancing with eBGP Multihop

2007-10-05T11:36:00.000+07:00

Now here I show about Load Balancing 2 or more link with BGP. BGP need to configure is use eBGP multihop keyword. What is eBGP multihop use ? >> eBGP multihop use establish 2 BGP peer not direct connected that mean TTL value is more than 1, we can use scenario I-BGP (same AS number) or E-BGP (different AS number) to use eBGP multihop.How between BGP peer not direct connected can communicate use

EtherChannel to Increase Link Capacity

2007-10-01T01:10:00.001+07:00

Here example configure to increase link capacity use Ethernet interface is EtherChannel. Every ethernet interface configure use 'channe-group'.SW1interface FastEthernet0/1 channel-group 1 mode on ! interface FastEthernet0/2 channel-group 1 mode on ! interface FastEthernet0/3 channel-group 1 mode on ! interface Port-channel1 switchport mode dynamic desirableSW2interface FastEthernet0/1

Combine Serial Interface to Increase Link Capacity

2007-09-30T22:17:00.000+07:00

Yesterday I mention about example to increase link capacity. Now I give example configuration about it with two Serial interface. Other way we can use Ethernet interface is EtherChannel.Combine two Serial interface with a new logical interface is Multilink. The IP address attach in Multilink interface.configR2#sh run int multilink 1interface Multilink1 ip address 192.168.0.2 255.255.255.252 ppp

Increase Link Capacity with Combine Link

2007-09-29T23:01:00.000+07:00

As long as we know link capacity is limit depend on type of link, E1 2048 Kbps, DS3 45 Mbps etc. Sometimes we need more of link capacity use combine many link existing capacity become to big capacity.In here I have several example to increase link capacity :o load balancing of several link with IGP routing protocol example OSPFo load balancing of 2 or more link with eBGP multihop use static route

Create 2 or More Link from Ethernet

2007-09-28T23:49:00.000+07:00

Few days ago I ever show about create 2 or more link from 1 physical link use frame-relay encapsulation Serial interface. Now I show about create more link use Ethernet interface, you can use Ethernet, FastEthernet, GigabitEthernet or xxxEthernet. Ethernet interface as layer 2 or layer 3 can create logical link. Ethernet interface layer 3 use subinterface as logical link. Here example the

Set Date Time on Cisco Router

2007-09-26T23:47:00.000+07:00

This intruction of set date time on Cisco Router, use it for NTP server and other router use it as NTP peer.Set date timeR#clock ? set Set the time and dateR#clock set ? hh:mm:ss Current TimeR#clock set 11:20:00 ? <1-31> Day of the month MONTH Month of the yearR#clock set 11:20:00 26?<1-31> R#clock set 11:20:00 26 ? MONTH Month of the yearR#clock set 11:20:00 26 SEPT ? <1993-2035>

Maximum Dynamic IP Routing Processes on Cisco

2007-09-25T22:26:00.001+07:00

The Cisco IOS software can handle simultaneous operation of up to 30 dynamic IP routing processes. The combination of routing processes on a router or access server consists of the following protocols (with the limits noted) : ~ up to 30 IGRP or EIGRP routing processes ~ up to 30 OSPF routing processes ~ one RIP routing process ~ one IS-IS process ~ one BGP routing process Well, let we testR

Cisco Router Get IP Routing Protocol Info

2007-09-24T22:27:00.000+07:00

There isn't IOS command 'get IP routing protocol' to get information about current running routing protocol on Cisco router. Cisco developed IOS command with prefix 'show' to view all configuration or status. To get information for IP routing protocol :o 'show ip protocol' to detail IP routing protocol current running on routero 'show ip protocol summary' only view what name of routing protocolIt

Set Screen logging Console to Log Buffer

2007-09-23T23:58:00.000+07:00

This is simple way to disable logging appear on screen console, the name logging console. Logging console is very usefull information appear immediately on screen happen in the router or switch, but someday we don't need to appear in screen but still log all of happen in the device. So logging console set to save in logging buffer, and show it with 'show log'.Router#conf tEnter configuration

Back up and Restore Cisco Configuration

2007-09-22T22:04:00.000+07:00

o use a TFTP server: 'copy running-config tftp' and 'copy tftp running-config', follow the instrunctionso use a FTP server: 'copy running-config ftp' and 'copy ftp running-config', follow the instrunctionso manual capture with application console# back up- type 'terminal length 0'- set application console capture output save to a file- 'show running-config'# restore- copy all configuration on

Cisco Download IOS Use XModem

2007-09-21T21:50:00.001+07:00

Xmodem is procedure to download IOS to router or catalyst, why we need this procedure, whereas we can download IOS from tftp server to device with IOS command. why ? because IOS on Cisco router or catalyst is fail, IOS binnary in flash memory corrupt, flash memory on device is small to archieve many IOS image or may be we want to upgrade IOS.Xmodem is console mode with cable console and rommon

QoS | Cisco Router Get QoS Info

2007-09-20T21:03:00.000+07:00

Simple tips How to get QoS info on a Cisco router. One of apply QoS is use MQC (modular QoS CLI). QoS define 3 step are classification classes, policy define and apply policy to interface.o Classification use 'class-map'o Policy define use 'policy-map'o Apply policy use 'service-policy'To show what are policy-map apply to interface that mean MQC active.#sh policy-map interfaceSimple way to know

QoS | Cisco IP Protocol Discovery

2007-09-20T05:36:00.000+07:00

In a few day ago, I ever post about IP accounting feature can get IP accounting information in interface Cisco router. Now I will show, how to get protocol based on application or mention NBAR (network based application recognation). This feature is one of way to classification classes to define (QoS) Quality of Service. Other classification classes in QoS are IP DSCP, IP ACL etc. To define QoS

Simple Cisco Router Setup Network

2007-09-19T13:12:00.000+07:00

This is about how simple setup network with Cisco router connect to internet service provider. We must concern about a few things, simple security performance.o Simple : not all people deep understand about router specially Cisco router, so how setup network is simple, not need deep understand and more time to understand too.#example configuration- interface F0/0 to internet provider with IP

Compare Cisco Config use Diff

2007-09-19T06:05:00.000+07:00

Sometimes I need to compare running-config and startup-config in Cisco router, may be there is command I configured but not sure to commit or save, or I have already miss configure and I lost some IOS command from running-config. As long as I know, IOS feature there is no feature use to rollback config from startup-config to current or running-config. But if there is IOS feature to rollback

Cisco Router as a Frame Relay Switch

2007-09-17T22:01:00.000+07:00

Cisco router can act as frame relay switch with special configuration little different from point-to-point router use frame-relay encapsulation to create 2 or more link logical. Because of a Cisco router can generate clock so can act as DCE device like if we create link point-to-point using HDLC encapsulation, one of side serial interface must set as DCE use clock rate.To configure a Cisco router

The First Time Config of Cisco IOS Switch

2007-09-16T01:42:00.000+07:00

Why I mention Cisco IOS Switch not just Cisco Switch, because Cisco has Switch with Catalyst OS old version of Cisco Switch. Cisco has two type of OS Switch device are Catalyst OS (CatOS) and IOS Switch, IOS switch newer than CatOS.If we new start up or use IOS Switch in network existing there are several condition of switch must be always remember. That are VTP domain and type of VTP.o VTP

Create 2 from 1 Physical Link

2007-09-14T17:54:00.000+07:00

Like Magic! WoW, no magic in networking :d. As like in title create 2 logical link from 1 physical link, actually not just 2 link can we create, can more than 2 link. Physical link in here are Serial and Ethernet, but now I just use Serial link with frame-relay encapsulation, may be next time for Ethernet. Logical link is use subinterface Serial interface. Serial interface link identic with WAN

QoS | CAR, CIR, MIR, EIR, PIR, CDR

2007-09-10T23:58:00.000+07:00

Several a day ago I posted about CIR how to calculate TC, this is list figure of rate, if there is wrong CMIIW (correct me if I wrong)Committed Access Rate (CAR) is used to limit traffic that can enter or exit an interface.Committed Information Rate (CIR) is minimum bandwidth that is guaranteed to work under normal conditions, at any time the bandwidth should not fall below. Minimum Information

Exec Command from Cisco Config Mode

2007-09-09T00:19:00.001+07:00

IOS (Internetwork Operating System) has three mode management from telnet or console. That are unprivileged mode, privileged mode, config mode, in config mode there are more type config like interface config (int-conf), route config (route-config) etc. all of them include in config mode.o unprivileged mode : Router>o privileged mode : Router#o config mode : Router(config)#From unprivileged to

QoS | Weighted Fair Queueing

2007-09-08T06:25:00.000+07:00

a dynamic scheduling method for fair bandwidth allocation to all network traffic.Four type of WFQ :- Flow-based WFQ- Flow-based Distributed WFQ (DWFQ)- Class-based WFQ- Class-based Distributed WFQDistributed just run on versatile interface processor (VIP) for faster performance and a route switch processor (RSP).Example simple implement WFQ :#config interface to WFQ(config-if) fair-queue#

QoS | Committed Information Rate

2007-09-07T03:41:00.000+07:00

This is example about CIR. I have a link T1 with limit bandwidth CIR 768 kbps, BC set 96000 CIR/8, how many TC to across a link?TC = BC / CIRTC = 96000 / 768000 = 0.125 s = 125 ms = 1/8 sex. #2CIR 1024 kbpsBC 256000TC = 256000 / 1024000 = 0.25 s = 250 ms = 1/4 sCIR : Committed Information RateTC : time committedBC : burst committed

QoS | Priority Queueing

2007-09-06T13:00:00.000+07:00

PQ allows certain traffic to be strictly-prioritized, multiple queue, allow priority. By default is define 4 queue are high, medium, normal, low, if you not define queue type default use normal. Each of queue is 20, 40, 60, 80 packets by default.PQ use round-robin sequence occurs for every single packet. Therefore, if there are consistently packets in upper queues, packet in lower queues will

New Apple iPod series

2007-09-06T01:49:00.000+07:00

a several minutes later, Apple announce new iPod suffle with new color, iPod nano with video, iPod video with big storage 80-160GB called iPod classic, iPod-touch all user-interface like iPhone.iPod nano with video has new interesting feature that is video. Now can watch video-on-demand on ipod nano, it's amazing feature, with small and thin iPod can watch amazing video, Apple say A little video

QoS | Custom Queueing

2007-09-05T22:14:00.000+07:00

CQ implementation WRR, up to 16 user queues, threshold based on number of bytes. Service use Round-robin we need requires configuration. CQ is used to create a bandwidth reservation in output queue of an interface. So no direction option on applied to the interface, fact that queueing is always outbound.I have simple sample of CQ, objective is guaranteed the following amount of bandwidth that

QoS | Congestion Management

2007-09-05T12:14:00.000+07:00

In my archieve, I ever post about Queueing Strategy and Queueing Strategy part 2. it's part of Congestion Management in QoS. Congestion management use marking on each packet to determine in which queue to place packets, mechanisms queuing algorithms each interface must have a queuing mechanism to prioritize transmission of packets. Congestion management to control congestion by determining order

1 of 2 but not a half

2007-09-04T22:35:00.000+07:00

Thank's God, thank's God, thank's God, I passed CCIE Routing Switching Written in first attempt last day in August (08/31). It's really cool, I done 75 hour's learning dedicated for written and -/+4 month studied for CCIP. for CCIE written preparation I use all CCIP guide, SND guide for securiy, cisco univercd for new IOS technology multicast IPv6, some book from ciscopress for bridge switching &

QoS | Types of Delay

2007-08-26T22:35:00.000+07:00

- Processing delay: time it takes for a router to take the packet from an input interface, examine it & put it into the output queue of the output interface (depends cpu speed/utilization, ip switching mode, router architecture, configured feature on both in/out interface)- Queuing delay: time a packets resides in the output queue of a router (depens on number of & size of packets already in

Cisco SDM

2007-07-22T22:16:00.000+07:00

I already read topic about Cisco SDM (security device manager), Cisco SDM is web-based device management tool for cisco IOS software-based routers, benefit are smart wizards and build-in tutorials. Cisco make SDM factory installed on- cisco 850 series- cisco 870 series- cisco 1800 series- cisco 2800 series- cisco 3800 seriesCisco also release Cisco SDM express can access from https://10.10.10.1 (

dynamips in Mac OS X (PowerPC)

2007-07-20T17:31:00.001+07:00

I already tried many time to rebuild dynamips from source in OS X with PowerPC processors, but still failed :(, but yesterday I read in ipflow.utc.fr blog mention in version 0.2.7 optimize PowerPC emmm this statement make me little happy but how rebuild it? all parameter configure using default? still confuse. Finally I try again step-by-step I repeat again, and sucess run dynamips in my iBook G4

20072007, going to CCIE

2007-07-20T14:37:00.000+07:00

20072007, date time today, 20 07 2007. May be it not popular than a few day ago 070707 07 07 2007. Two day ago I finished with my CCIP (cisco certified internetwork professional) with 3 module BCSI, QoS and BGP+MPLS with high score, NOW I'm CCIP (*said in 18 07 2007), thank to god :), thank to my parent for always blessing to do anything positive, thank to my someone always support me every time

Regexp in BGP

2007-07-06T22:54:00.000+07:00

A regular expression (regex or regexp for short) is a special text string for describing a search pattern. You can think of regular expressions as wildcards on steroids. You are probably familiar with wildcard notations such as *.txt to find all text files in a file manager. The regex equivalent is .*\.txtRegexp use in BGP to match pattern AS number^$ = i local AS_100_ = going through^100$ =

QoS | Quality of Service

2007-07-05T20:02:00.000+07:00

- Quality of Service is QoS- QoS was not important before networks converged- networks converged: constant small packet voice flow competes with burstly data flow, critical traffic must get priority, voice & video are time sensitive, brief outages not acceptable- before implement QoS: burstly data flow (tried to grab as much bw as it could at any give time), first-com first served access (data

Internet huge Routes

2007-07-04T13:40:00.001+07:00

Internet is huge routes on public network with interconnected from many country divide into many service provider with single or multihomed link to internet. there are using AS-path to different with others. AS-path is single technical administration with many prefix in them. Usually a service provider have more than one uplink to internet or transit AS with other to connected. the many of

QoS | Tail-drops Packet

2007-07-03T00:15:00.000+07:00

In my post before you can found 'tail-drops', in here I will share about it.This is we (I & You *reader) talk about tail-drops packet in network as specially in interface network (Cisco). Do you ever hear tail-drops, let read about that- tail-drops occur when the output queue is full, these are common drops, which happen when a link is congested.input queue drop: main cpu is congested & cannot

QoS | Queueing Strategy ex. fifo (part 2)

2007-07-02T16:57:00.000+07:00

This is example real condition about fifo & WFQ in example Serial interface on Cisco router.#sh run int s2/0:1Building configuration...Current configuration : 187 bytes!interface Serial2/0:1 description Back-to-Back-Serial bandwidth 256 ip address 1.2.3.1 255.255.255.252 no fair-queueend#sh int s2/0:1Serial2/0:1 is up, line protocol is up Hardware is Multichannel E1 Description:

QoS | Queueing Strategy ex. fifo

2007-07-01T23:24:00.001+07:00

I ever resume about queueing & congestion, there are- occur at any point where there re points of speed mismatches, aggregation or confluence- queuing manages congestion to provide bandwidth & delay guarantees- queuing algorithms.fifo: simplest algorithm, one queue.pq (priority queuing): allows certain traffic to be strictly-prioritized, multiple queue, allow priority.round robin: allows serveral

QoS | Get IP Address Accounting Information

2007-07-01T07:37:00.001+07:00

here is I will share how capture near 'real-time' about packets accross interface ini Cisco router. by enabling IP accounting, you can see the number of bytes and packets switched through the Cisco IOS® software on a source and destination IP address basis. only transit IP traffic is measured and only on an outbound basis, traffic generated by the software or terminating in the software is not

A Little of Network

2007-07-01T01:13:00.000+07:00

continue my first post in a few hours ago, this time I want to describe what about I will share in this site. a little of network mean a little very very little as long as I know about network, may be I often share about proprietary of cisco b'cause I often play & experiment in there.first time I share allocating of IP address in network, IP address is like address of your home in real live or

hello world

2007-06-30T23:36:00.000+07:00

hello world, actually it isn't my first time write something bla-bla-bla in www but it's my first time again begin a make usefull in www, may be someday I will share too about my experince in www. Now I will share my experience, I read, I know, issue, my opinion about network. not all about it but a little of network write in this site. May be you read my writen is confuse :)) yes I know I know