[c-nsp] BGP blackhole community config

[Satish Patel]

I tried both formate and none of them working :(

Did you see my configuration? do you think any problem in my config?

On Sun, Jun 19, 2016 at 7:56 PM, Curtis Piehler <cpiehler2 at gmail.com> wrote:
> Usually that is the case where your sent the community as ISP:NN.   However
> in this case your provider is using 64682:0 to denote traffic as blackhole.
> Not an issue perse but that's what they are telling you is what they honor
> as far as communities coming into their network.
>
> On Jun 19, 2016 7:38 PM, "Satish Patel" <satish.txt at gmail.com> wrote:
>>
>> We have setup new BGP configuration with ISP and ISP has been told
>> send community "64682:0" for blackholing. I am new in BGP.
>>
>> I was reading BGP community format is ASN:NN but my ISP ASN number
>> isn't 64682 so i am assuming they gave me example (64682:0)
>>
>> This is what i configure in my router.
>>
>> router bgp 100
>>  bgp log-neighbor-changes
>>  redistribute static route-map RTBH
>>  neighbor xx.xx.xx.xx remote-as 200
>>
>>
>> route-map RTBH permit 10
>>  match tag 666
>>  set community <ISP_ASN>:666
>>
>> route-map RTBH permit 20
>>
>>
>> I have send following null route but it didn't work :(
>>
>> ip route xx.x.x.xx 255.255.255.255 Null0 tag 666
>>
>>
>> what i am doing wrong? how do i use community to send blackhole route?
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