Re: Filter list and access list?

To add what Scott mentioned, the filter-list is also used in OSPF to filter
LSA type 3s ONLY, it references a Prefix-list.
.
On Wed, Jan 20, 2010 at 5:25 AM, Scott Morris <smorris_at_ine.com> wrote:

> A prefix list is used to filter prefixes...
>
> A filter list is used in BGP to call an as-path access list and filter
> based on AS Path information.
>
> They're both methods of filtering, just different pieces in different
> places.
>
> Scott Morris, CCIEx4 (R&S/ISP-Dial/Security/Service Provider) #4713,
>
> JNCIE-M #153, JNCIS-ER, CISSP, et al.
>
> JNCI-M, JNCI-ER
>
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> Iwan Hoogendoorn wrote:
>
> Raj,
>
> a) In Standard ACL, filtering is based on source IP address.
> where as in extended ACL, filtering is bases on Source IP
> address, Destination IP address, Protocol Type, Source Port
> Number & Destination Port Number.
>
> b) Standard ACL are used to block particular host or sub
> network. where as Extended ACL is used to block particular
> services.
>
> c)Standard ACL is implemented as possible closer to
> destination. where as Extended ACL is implemented as
> possible closer to source.
>
> d) Standard ACL is created from 1 - 99 & extended range 1300
> - 1999. where as Extended ACL is created from 100 - 199 &
> extended range 2000 - 2699.
>
> e) In Standard ACL, two communication will be blocked, where
> as in Extended ACL, one way communication will be blocked.
>
> f) In Standard ACL, all services will be blocked. Where as
> in Extended ACL, particular services wil be blocked.
>
> g) A filter list is used within routing protocols to filter specific
> prefixes
>
> On Wed, Jan 20, 2010 at 7:14 AM, HEMANTH RAJ <hemanthrj_at_gmail.com>
> wrote:
>
> Wat is the major difference between filter list and access list??
> Where is filter list is used ?
> where is access list is used?
>
> --
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> r
> bad talk to ur affectionate one's freely
>
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> HP HEMANTH RAJ
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