On Tue, Feb 22, 2011 at 4:55 PM, Jack Carrozzo j...@crepinc.com wrote:
Maybe I read your question wrong, but null-routing things at your border is
often not very useful if the traffic is flooding your transit links. Most
transits publish their community lists - you just need to tag the prefix
On Tue, 22 Feb 2011 16:42:28 -0500, David Hubbard wrote
I was wondering if anyone has a howto floating around on the
step by step setup of having an internal bgp peer for sending
quick updates to border routers to null route sources of
undesirable traffic? I've seen it discussed on nanog from
Team Cymru has some really good examples on how to configure something
similar (utilizing their BOGON feed).
http://www.team-cymru.org/Services/Bogons/bgp.html
Scroll down to AUTOMATICALLY FILTERING BOGONS for IOS, JUNOS, etc examples
On Tue, Feb 22, 2011 at 4:42 PM, David Hubbard
On 2/22/11 1:42 PM, David Hubbard wrote:
I was wondering if anyone has a howto floating around on the
step by step setup of having an internal bgp peer for sending
quick updates to border routers to null route sources of
undesirable traffic? I've seen it discussed on nanog from
time to time,
I was wondering if anyone has a howto floating around on the
step by step setup of having an internal bgp peer for sending
quick updates to border routers to null route sources of
undesirable traffic? I've seen it discussed on nanog from
time to time, typically suggesting using Zebra, but could
On 2011-02-22 22:42, David Hubbard wrote:
I was wondering if anyone has a howto floating around on the
step by step setup of having an internal bgp peer for sending
quick updates to border routers to null route sources of
undesirable traffic? I've seen it discussed on nanog from
time to time,
Maybe I read your question wrong, but null-routing things at your border is
often not very useful if the traffic is flooding your transit links. Most
transits publish their community lists - you just need to tag the prefix you
want to blackhole with the right community.
See example from HE:
Also:
http://docs.as701.net/tmp/CustomerBlackhole.txt
Remember to set eBGP multihop on sessions for the next-hop rewrite capability :)
- Jared
On Feb 22, 2011, at 4:54 PM, Łukasz Bromirski wrote:
On 2011-02-22 22:42, David Hubbard wrote:
I was wondering if anyone has a howto floating around
2011/2/22 Jared Mauch ja...@puck.nether.net:
Also:
http://docs.as701.net/tmp/CustomerBlackhole.txt
Remember to set eBGP multihop on sessions for the next-hop rewrite capability
:)
oh hey, I was looking for that! :) (I'll try to re-setup the
www.secsup.org links tonight) ... this is a 'how
On Feb 23, 2011, at 5:42 AM, David Hubbard wrote:
I've seen it discussed on nanog from time to time, typically suggesting using
Zebra, but could not search up a link on a step by step.
https://files.me.com/roland.dobbins/dweagy
On Tue, 22 Feb 2011, David Hubbard wrote:
I was wondering if anyone has a howto floating around on the
step by step setup of having an internal bgp peer for sending
quick updates to border routers to null route sources of
undesirable traffic? I've seen it discussed on nanog from
time to time,
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