[alcatel-nsp] Advertising prefixes to BGP peer.

Tan Shao Yi tansy at tansy.org
Mon Dec 13 14:46:01 EST 2010


Hi,

I wanted to add that I am actually receiving those prefixes as larger
/23s from a customer, but I am trying to advertise them as specific
/24s in a bid to shift incoming traffic through different BGP
neighbours.

Regards.

On Tue, Dec 14, 2010 at 3:43 AM, Tan Shao Yi <tansy at tansy.org> wrote:
> Hi Thedin, James,
>
> Thanks. Would these show up in "show router bgp neighbour X
> advertising-protocol"?
>
> The policy statement is specified in the "export" section of the bgp
> group config. I added a couple of /24s exacts to MY-SPECIFIC-PREFIXES,
> however, they never seem to show up in "advertising-protocol".
>
> Adding "protocol bgp" didn't seem to make a difference.
>
> Am I doing something wrong?
>
> Regards.
>
> On Tue, Dec 14, 2010 at 3:24 AM, James Jones <james at freedomnet.co.nz> wrote:
>> Yea I would try that.
>>
>> On 13/12/10 2:20 PM, Thedin Guruge wrote:
>>
>> Hi,
>> yeah i don't see why not,
>> you could also try
>>                entry 80
>>                    from
>>                        protocol bgp
>>                        prefix-list "MY-SPECIFIC-PREFIXES"
>>                    exit
>>                    action accept
>>                    exit
>>                exit
>> Thanks
>> Thedin
>>
>> On Tue, Dec 14, 2010 at 8:10 AM, Tan Shao Yi <tansy at tansy.org> wrote:
>>>
>>> Hi,
>>>
>>> I have been trying to advertise specific prefixes to another BGP but
>>> to no success.
>>>
>>> Would an entry like the following in the policy work?
>>>
>>>                entry 80
>>>                    from
>>>                        prefix-list "MY-SPECIFIC-PREFIXES"
>>>                    exit
>>>                    action accept
>>>                    exit
>>>                exit
>>>
>>>
>>> Thanks in advance.
>>>
>>> Regards.
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>>
>>
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