Link Capability of Cisco 1841 Modular Router

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Jul 18th, 2007
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Hai,

i have got a 1841 modular router.my requirement is that I am planning to implement 3 E1 Link. Is this series router is capable for the above said link.

Regards

A.ChenthilKumar



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spremkumar Wed, 07/18/2007 - 03:09
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Hi Chenthil


Cisco 1841 is capable of taking 3 E1 but make sure that you are not overloading the box by using IPSEC/QOS and other features..


What kinda links you are gonna have in the box ?


regds


ack_cisco Wed, 07/18/2007 - 03:36
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hai prem,

Thanks first for the quick reply.The primary work with this Router is QOS. Bz I am planning to split the bandwidth for two seperate workouts.To be clear .. 2 mb leased link will be for Browsing area and other 4 mb leased link will be for upload and download as one my client has most of the works with FTP server hosted in US.


Here i have to split the bandwidth for two different work area..


i need you suggession..


Regards

A.ChenthilKumar


spremkumar Wed, 07/18/2007 - 03:42
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Hi


Are you planning specific links for the mentioned purpose (like link 1 for browsing and link2,3 for upload/download) ?


If thats the case then you can make use of policy based routing in which you can match the packets destined to HTTP to flow through link 1 and the rest via the other 2 links.


Also are you taking these links from the same service provider ?


regds



ack_cisco Wed, 07/18/2007 - 04:04
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dear prem,

Yes i am getting link from same service provider.

if possible ..give me hint in configuring policy map


waiting for your reply


Regards

A.ChenthilKumar

spremkumar Wed, 07/18/2007 - 04:19
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Hi Chenthil


You need to create an access list permitting any any matching port http (80) traffic.


Do create a route map under which u bind this ACL using match command.


Once you are done with the same then set the next hop/gateway through which you want to forward your http traffic..


For all CLI info and assistance you can refer the below link.


http://www.cisco.com/en/US/docs/ios/12_0/qos/configuration/guide/qcpolicy.html#wp4785


regds


spremkumar Wed, 07/18/2007 - 04:48
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Hi Chenthil


I was assuming its connecting on 3 different interfaces.


If its getting teriminating on a single ethernet interface then you can even make use of CIR(rate-limit) in conjunction with ACL created to match http traffic..


CAR is discussed over here..


http://cisco.com/en/US/docs/ios/12_0/qos/configuration/guide/qccar.html


The config which you have posted doesnt have proper ACL configured.


The ACLs configured are 111 and 112 under the class maps but you are having 101 and 102.


I feel you better go ahead with rate-limit on your interface which could help in achieving the requirement.


regds





spremkumar Wed, 07/18/2007 - 21:31
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Hi


Can you try checking with the below access-list...



access-list 111 permit tcp any any eq 80

access-list 112 deny tcp any any eq 80

access-list 112 permit ip any any


regds


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