From: Narbik Kocharians (narbikk@gmail.com)
Date: Wed Nov 19 2008 - 04:59:19 ARST
*Long post but i hope this helps:*
I copied this from Boot Camp Work book, and i apologies about the length of
the post or any typos. The topology consists of two switches and a single
router connected as follows:
SW1 (F0/2)----(F0/0) R2 (F0/1)--------(F0/2)SW2
SW1-F0/2 = 10.1.12.11/24
R2-F0/0 = 10.1.12.2 /24
R2-F0/1=10.1.23.2 /24
SW2-F0/2=10.1.23.22 /24
*Task 1*
Save the configuration of SW1 and then, copy the startup configuration of
this switch (config.text) to its flash as "config.mpeg" and "config.jpeg".
*On SW1*
Switch#*wr*
Switch#copy config.text *config.mpeg*
Destination filename [config.mpeg]?
Switch#copy config.text *config.jpeg*
Destination filename [config.jpeg]?
* *
*To verify the configuration:*
* *
*On SW1*
*Switch#dir*
* *
2 -rwx 7963308 Mar 1 1993 03:33:58 +00:00
c3560-advipservicesk9-mz.122-25.SEE3.bin
3 -rwx 676 Mar 1 1993 00:38:35 +00:00 vlan.dat
4 -rwx 1565 Mar 1 1993 04:03:11 +00:00 *config.text*
5 -rwx 24 Mar 1 1993 04:03:11 +00:00 private-config.text
6 -rwx 1565 Mar 1 1993 19:46:01 +00:00 *config.jpeg*
7 -rwx 1565 Mar 1 1993 17:16:33 +00:00 *config.mpeg*
*Task 2*
Enable Cisco web browser interface on SW1 and specify the base path used to
locate the files created in the previous step to "*flash:*"
*On SW1*
SW1(config)#ip http server
SW1(config)#ip http path flash:
*To verify the configuration:*
**
**
**
*On SW1*
*SW1#Sh ip http server status*
* *
HTTP server status: *Enabled*
HTTP server port:* 80*
HTTP server authentication method: enable
HTTP server access class: 0
HTTP server base path: *flash:*
Maximum number of concurrent server connections allowed: 16
*(The rest of the output is omitted)*
* *
*Task 3*
Configure R2 such that it blocks any URL that contains any file type with "*
MPEG*" extension.
*On R2*
R2(config)#class-map *QOS*
R2(config-cmap)#*match protocol http url *.mpeg*
R2(config)#policy-map *TST*
R2(config-pmap)#*class QOS*
R2(config-pmap-c)#drop
R2(config-pmap-c)#int f0/1
R2(config-if)#service-policy input *TST*
*To verify the configuration:*
* *
*On R2*
*R2#Show class-map QOS*
Class Map match-all QOS (id 1)
*Match protocol http url "*.mpeg"*
*R2#Show policy-map TST*
* *
Policy Map TST
Class QOS
drop
* *
*R2#Show policy-map interface f0/1*
* *
FastEthernet0/1
Service-policy input: TST
Class-map: QOS (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
*Match: protocol http url "*.mpeg"*
*drop*
Class-map: class-default (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
*To test the configuration:*
* *
*On SW2*
*For testing purpose, the "config.jpeg" is copied first, and its successful:
*
SW2#*copy http://10.1.12.1/config.jpeg flash:*
Destination filename [*config.jpeg*]?
Loading http://10.1.12.1/*config.jpeg* !
1230 bytes copied in 2.038 secs (604 bytes/sec)
*SW2#dir config.jpeg*
* *
Directory of flash:/config.jpeg
* 90 -rwx 1230 Mar 1 1993 00:28:25 +00:00 config.jpeg*
15998976 bytes total (283648 bytes free)
*The following operation fails because of the "mpeg" extension, these
extensions are blocked on R2*
SW2#copy http://10.1.12.1/config.*mpeg* flash:
Destination filename [*config.mpeg*]?
*%Error opening http://10.1.12.1/config.mpeg (I/O error)*
* *
**
*Task 4*
Re-configure R2 such that it blocks any URL that contains any file type with
"MPEG" or "JPEG" extension.
*On R2*
R2(config)#*class-map QOS*
R2(config-cmap)#*match protocol http url *.mpeg|*.jpeg*
R2(config-cmap)#*no* match protocol http url **.mpeg*
*To verify the configuration:*
* *
*On R2*
*R2#Show class-map QOS*
* *
Class Map match-all QOS (id 1)
*Match protocol http url "*.mpeg|*.jpeg"*
*R2#Show policy-map interface f0/1*
* *
FastEthernet0/1
Service-policy input: TST
Class-map: QOS (match-all)
5 packets, 1028 bytes
5 minute offered rate 0 bps, drop rate 0 bps
*Match: protocol http url "*.mpeg|*.jpeg"*
*drop*
Class-map: class-default (match-any)
41 packets, 3739 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
*To test the configuration:*
* *
*On SW2*
*Note the following two copy operations fail because the file extensions are
blocked on R2:*
15998976 bytes total (283648 bytes free)
SW2#copy http://10.1.12.1/config.mpeg flash:
Destination filename *[config.mpeg]? *
*%Error opening http://10.1.12.1/config.mpeg (I/O error)*
SW2#copy http://10.1.12.1/config.jpeg flash:
Destination filename *[config.jpeg]? *
*%Error opening http://10.1.12.1/config.jpeg (I/O error)*
*Task 5*
Re-configure R2 such that any HTTP call to the server located at "*10.1.12.1
*" is dropped.
*On R2*
R2(config-if)#class-map QOS
R2(config-cmap)#*match protocol http host 10.1.12.1*
*To verify the configuration:*
* *
*On R2*
*R2#Sh policy-map inter f0/1*
FastEthernet0/1
Service-policy input: TST
Class-map: QOS (match-all)
13 packets, 2952 bytes
5 minute offered rate 0 bps, drop rate 0 bps
*Match: protocol http host "10.1.12.1"*
*drop*
Class-map: class-default (match-any)
3 packets, 180 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
*To test the configuration:*
* *
*On SW2*
SW2#copy http://10.1.12.1/config.mpeg flash:
Destination filename *[config.mpeg]? *
*%Error opening http://10.1.12.1/config.mpeg (I/O error)*
SW2#copy http://10.1.12.1/config.jpeg flash:
Destination filename *[config.jpeg]? *
*%Error opening http://10.1.12.1/config.jpeg (I/O error)*
* *
*Task 6*
Erase the startup configuration on the routers and reload them before
proceeding to the next task.
On Tue, Nov 18, 2008 at 9:10 PM, Huan Pham
<Huan.Pham@peopletelecom.com.au>wrote:
> Hi Subfighter,
>
> After labbing it up, and played arround with different settings, I came
> to inclusion that IOS is not stable as comes to using NBAR to match http
> url !!!!
>
> Nothing is wrong with your original config, I think it's just because
> IOS is buggy. Obviously, your modified config, that match-all host
> youtube & google, should be changed to match-any. But I am sure, that
> change will not fix the problem either.
>
> I later found out that Petr at IE has a good blog on this topic already,
> and he also pointed out that using IOS NBAR to filter WWW traffic is not
> a best practice. Check it out at
>
> http://blog.internetworkexpert.com/2008/11/04/using-nbar-for-http-url-fi
> ltering/
>
>
> Here's my setup.
>
> Match http url seems to work all right. But Match http host does not.
>
>
> R1 ------- R3 ------- R2
> PC (YouTube)
>
>
> Rack1R3#
> !
> class-map match-all TELNET
> match protocol telnet
> class-map match-any YOUTUBE
> match protocol http host "*youtube*"
> match protocol http url "*.mov*" ! Just for testing
> !
> !
> policy-map BLOCK_YOUTUBE
> class YOUTUBE
> drop
> class TELNET
> drop
>
>
> interface Serial2/3
> desc ****** connected to R2
> ip address 155.1.23.3 255.255.255.0
> service-policy output BLOCK_YOUTUBE
>
>
>
> Rack1R1#ping youtube.com
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 150.1.2.2, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 56/57/60 ms
> Rack1R1#telnet youtube.com
> Trying youtube.com (150.1.2.2)...
> % Connection timed out; remote host not responding
>
>
> Rack1R3#sh policy-map interface
> Serial2/3
>
> Service-policy output: BLOCK_YOUTUBE
>
> Class-map: YOUTUBE (match-any)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> Match: protocol http url "*.mov*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> drop
>
> Class-map: TELNET (match-all)
> 2 packets, 96 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol telnet
> drop
>
> Class-map: class-default (match-any)
> 14 packets, 3028 bytes
> 5 minute offered rate 1000 bps, drop rate 0 bps
> Match: any
>
>
>
>
> Rack1R1#copy cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov null:
> %Error opening cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov (I/O
> error)
>
> Rack1R1#copy cisco@youtube.com/initial-cfg">http://admin:cisco@youtube.com/initial-cfg null:
> Loading http://***********@youtube.com/initial-cfg !
> 1221 bytes copied in 0.412 secs (2964 bytes/sec)
>
> Rack1R3#sh policy-map interface
> Serial2/3
>
> Service-policy output: BLOCK_YOUTUBE
>
> Class-map: YOUTUBE (match-any)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> Match: protocol http url "*.mov*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> drop
>
> Class-map: TELNET (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol telnet
> drop
>
> Class-map: class-default (match-any)
> 51 packets, 8919 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>
> Rack1R1#copy cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov null:
> %Error opening cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov (I/O
> error)
>
> Rack1R1#copy cisco@youtube.com/initial-cfg">http://admin:cisco@youtube.com/initial-cfg null:
> Loading http://***********@youtube.com/initial-cfg !
> 1221 bytes copied in 0.412 secs (2964 bytes/sec)
>
> Rack1R1#copy cisco@youtube.com/initial-cfg">http://admin:cisco@youtube.com/initial-cfg null:
> %Error opening cisco@youtube.com/initial-cfg">http://admin:cisco@youtube.com/initial-cfg (I/O error)
>
>
> ****** NO CONFIG CHANGE, but as you can see above,
> ****** sometime access to http://youtube.com/initial-cfg
> ****** is succesfull, one time, it's NOT.
>
>
>
> Rack1R3#sh policy-map interface
> Serial2/3
>
> Service-policy output: BLOCK_YOUTUBE
>
> Class-map: YOUTUBE (match-any)
> 16 packets, 2908 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> Match: protocol http url "*.mov*"
> 16 packets, 2908 bytes
> 5 minute rate 0 bps
> drop
>
> Class-map: TELNET (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol telnet
> drop
>
> Class-map: class-default (match-any)
> 146 packets, 31947 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>
>
>
>
>
>
> Rack1R3(config-if)#no service-policy output BLOCK_YOUTUBE
> Rack1R3(config-if)#
> Rack1R3(config-if)# service-policy output BLOCK_YOUTUBE
>
>
> Rack1R1#copy cisco@youtube.com/initial-cfg">http://admin:cisco@youtube.com/initial-cfg null:
> Loading http://***********@youtube.com/initial-cfg !
> 1221 bytes copied in 0.420 secs (2907 bytes/sec)
>
> Rack1R1#copy cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov null:
> %Error opening cisco@youtube.com/brian_petr_naked.mov">http://admin:cisco@youtube.com/brian_petr_naked.mov (I/O
> error)
>
> Rack1R3#sh policy-map interface
> Serial2/3
>
> Service-policy output: BLOCK_YOUTUBE
>
> Class-map: YOUTUBE (match-any)
> 7 packets, 1346 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube*"
> 0 packets, 0 bytes
> 5 minute rate 0 bps
> Match: protocol http url "*.mov*"
> 7 packets, 1346 bytes
> 5 minute rate 0 bps
> drop
>
> Class-map: TELNET (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol telnet
> drop
>
> Class-map: class-default (match-any)
> 37 packets, 7300 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Administrator
> Sent: Wednesday, 19 November 2008 1:32 PM
> To: Pavel Bykov
> Cc: omar parihuana; ccielab@groupstudy.com
> Subject: RE: CBWFQ to block Youtube
>
> So here goes, i gotta say I learned a lot today about qos, still some
> issues though ...
>
> !
> class-map match-all CRAP
> match protocol http host "*youtube.com*"
> match protocol http host "*google*"
> class-map match-all MAIL
> match protocol smtp
> class-map match-all TELBET
> match protocol telnet
> class-map match-all WWW
> match protocol http
> !
> !
> policy-map FILTER
> class CRAP
> set dscp af31
> class WWW
> set dscp af11
> class MAIL
> set precedence 3
> class TELBET
> !
> !
> !
> interface Ethernet0
> ip address PUBLIC ADDRESS
> ip nat outside
> ip virtual-reassembly
> half-duplex
> service-policy output FILTER
> !
> !
> interface FastEthernet0
> ip address PRIVATE ADDRESS
> ip nat inside
> ip virtual-reassembly
> speed auto
> !
>
> OK, so I upgraded the IOS I used and connected to a NON DSL link. The
> unit now has static pub ip at e0, and private on fa0.
> Still running nat. Started to mess with this a bit and made some great
> strides in my understanding of QOS.
> Still not able to get the youtube or google stuff to hit my class
> though.
> So i created another class called with www in it, that hits the queue
> just fine.
> So I added smtp and telnet to test this out, they all hit the queue just
> fine.
> What am I missing, below is an output showing the queue being hit just
> fine, all but the url specific stuff
>
> CCIE_LAB(config-pmap-c)#do sh policy-map int e0 Ethernet0
> Service-policy output: FILTER
> Class-map: CRAP (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube.com*"
> Match: protocol http host "*google*"
> QoS Set
> dscp af31
> Packets marked 0
> Class-map: WWW (match-all)
> 269 packets, 143494 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http
> QoS Set
> dscp af11
> Packets marked 269
> Class-map: MAIL (match-all)
> 139 packets, 14881 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol smtp
> QoS Set
> precedence 3
> Packets marked 139
> Class-map: TELBET (match-all)
> 14 packets, 805 bytes
> 5 minute offered rate 0 bps
> Match: protocol telnet
> Class-map: class-default (match-any)
> 37569 packets, 19663891 bytes
> 5 minute offered rate 266000 bps, drop rate 0 bps
> Match: any
> CCIE_LAB(config-pmap-c)#
> CCIE_LAB(config-pmap-c)#
> CCIE_LAB(config-pmap-c)#
>
>
>
> ________________________________
>
> From: Pavel Bykov [mailto:slidersv@gmail.com]
> Sent: Tue 11/18/2008 8:20 PM
> To: Administrator
> Cc: omar parihuana; ccielab@groupstudy.com
> Subject: Re: CBWFQ to block Youtube
>
>
> Did you just paste commands right in the email editor? They don't look
> right...
>
> Anyway, steps to enable NBAR are:
> 1. ip cef <- O.K.
> 2. ip nbar protocol-discovery <- on interface to classify traffic! you
> don't have that!!!
>
> Also, support for NBAR on dialer has been introduced in 12.2T, so make
> sure you have not too old IOS.
>
> Recommended change to make sure everything works:
> interface FastEthernet0
> ip nbar protocol-discovery
> service-policy input BLOCK-youtube
>
> and then if
> "show policy-map int fa0 input" shows drops on "youtube" class, then try
> removing service policy from Fast and see if it works on dialer.
>
> That a bit oldish router, isn't it?
>
>
> On Wed, Nov 19, 2008 at 2:00 AM, Administrator
> <Administrator@subfighter.ca>
> wrote:
>
>
> Here is the config, I have sanitized it a bit ...
>
> !
> hostname WOW_1710
> memory-size iomem 25
> aaa new-model
> !
> !
> aaa session-id common
> ip subnet-zero
> !
> !
> no ip domain lookup
> !
> ip cef
> ip audit notify log
> ip audit po max-events 100
> vpdn enable
> !
> vpdn-group pppoe
> request-dialin
> protocol pppoe
> !
> no ftp-server write-enable
> !
> !
> !
> !
> !
> !
> class-map match-all TELNET
> match protocol telnet
>
> class-map match-all youtube
> match protocol http host "*youtube.com*"
> !
>
> !
> policy-map BLOCK-youtube
> class youtube
> drop
>
> class TELNET
> drop
> !
> !
> !
> interface Ethernet0
> no ip address
> full-duplex
> pppoe enable
> pppoe-client dial-pool-number 1
> !
> interface FastEthernet0
> ip address 192.168.1.1 255.255.255.0 secondary
> ip address 10.1.200.200 255.255.255.0
> ip nat inside
> speed auto
> full-duplex
> !
> interface Dialer1
> ip address negotiated
> ip mtu 1452
> ip nat outside
>
> service-policy output BLOCK-youtube
>
> encapsulation ppp
> ip tcp adjust-mss 1392
> dialer pool 1
> dialer-group 1
> ppp authentication pap callin
> !
> ip nat inside source route-map NAT interface Dialer1 overload
>
> ip classless
> ip route 0.0.0.0 0.0.0.0 Dialer1
> access-list 118 permit ip 192.168.1.0 0.0.0.255 any
> access-list 118 permit ip 10.1.200.0 0.0.0.255 any
> !
> route-map NAT permit 10
> match ip address 118
> !
> !
> line con 0
> line aux 0
> line vty 0 4
> !
> !
> end
> WOW_1710#
>
>
> ________________________________
>
> From: Pavel Bykov [mailto:slidersv@gmail.com]
> Sent: Tue 11/18/2008 7:42 PM
> To: Administrator
> Cc: omar parihuana; ccielab@groupstudy.com
>
> Subject: Re: CBWFQ to block Youtube
>
>
> Please post us your show class-map, show policy-map and show run
> int x/x
> to see how your class-maps are defined, policy-maps and how you
> are applying it.
>
> Also, Do you have IP CEF enabled globally? without it it will
> not work.
>
> P.S.: Brian, is that monkey talking on the microphone? :) I
> think everybody gets spam like that at work all the time. we do. I
> wouldn't quite put it in a time killer though.
> If someone wanted to waste time, there are whole realms
> dedicated to progress your boredom. e.g.: bored.com
>
>
>
> On Wed, Nov 19, 2008 at 1:16 AM, Administrator
> <Administrator@subfighter.ca>
> wrote:
>
>
> I have entered this exactly, and still things hit the
> default-class for some
> reason. Is it because I also have nat on the router ?
> Does that affect the
> configuration someway ?
>
> ________________________________
>
> From: omar parihuana [mailto:omar.parihuana@gmail.com]
> Sent: Tue 11/18/2008 3:43 PM
>
> To: Administrator
> Cc: ccielab@groupstudy.com
> Subject: Re: CBWFQ to block Youtube
>
>
>
> Try this:
>
> Voice_GW_LAB#sh run class-map
> Building configuration...
>
> Current configuration : 81 bytes
> !
> class-map match-all youtube
> match protocol http host "*youtube.com*"
> !
> end
>
> Voice_GW_LAB#sh run policy-map
> Building configuration...
>
> Current configuration : 59 bytes
> !
> policy-map BLOCK-youtube
> class youtube
> drop
> !
> end
>
> Voice_GW_LAB#sh run int f0/1
> Building configuration...
>
> Current configuration : 234 bytes
> !
> interface FastEthernet0/1
> ...
> service-policy output BLOCK-youtube
> end
>
> Voice_GW_LAB#
>
> Voice_GW_LAB#sh policy-map interface f0/1
> FastEthernet0/1
>
> Service-policy output: BLOCK-youtube
>
> Class-map: youtube (match-all)
> 27 packets, 29642 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: protocol http host "*youtube.com*"
> drop
>
> Class-map: class-default (match-any)
> 15842 packets, 1412490 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
> Voice_GW_LAB#
>
>
>
>
> On Tue, Nov 18, 2008 at 2:59 PM, Administrator
> <Administrator@subfighter.ca>
> wrote:
>
>
>
> Hi there, I was just doing a lab and thought I
> would try something on my
> test
> DSL connection.
>
> My intent was to block www.youtube.com with QOS
>
> Here is what I have ...
>
> !
> class-map match-all YOUTUBE
> match protocol http url "www.youtube.com"
> !
> !
> policy-map CBWFQ_SHAPE_OUT
> class YOUTUBE
> drop
> !
> !
> interface Ethernet0
> service-policy output CBWFQ_SHAPE_OUT
> !
>
>
>
> But for some reason, it doesnt work. I have CEF
> enabled. When I do a show
> policy-map int e0, it shows everything hitting
> the default class-default
>
> I am sure I am missing something simple, but my
> QOS skillz are low and am
> trying to build them. Thanks !
>
>
> Blogs and organic groups at http://www.ccie.net
>
>
> ____________________________________________________________________
> ___
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>
>
>
>
>
> --
>
> Omar E.P.T
> -----------------
> Certified Networking Professionals make better
> Connections!
>
>
>
> Blogs and organic groups at http://www.ccie.net
>
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>
>
>
>
>
> --
> Pavel Bykov
> -------------------------------------------------
> Stop the braindumps!
> http://www.stopbraindumps.com/
>
>
>
>
>
>
> --
> Pavel Bykov
> -------------------------------------------------
> Stop the braindumps!
> http://www.stopbraindumps.com/
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>
-- Narbik Kocharians CCSI#30832, CCIE# 12410 (R&S, SP, Security) www.MicronicsTraining www.Net-Workbooks.com <http://www.net-workbooks.com/> Sr. Technical InstructorBlogs and organic groups at http://www.ccie.net
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