[Xorp-users] ospf4 ip-router-alert option
Michael Fox
michael.fox at vyatta.com
Wed May 9 19:15:45 PDT 2007
Ahh. Thank you very much. I had looked and looked and couldn't find the
reference.
Michael
-----Original Message-----
From: atanu at icir.org [mailto:atanu at icir.org] On Behalf Of Atanu Ghosh
Sent: Wednesday, May 09, 2007 7:10 PM
To: Michael Fox
Cc: 'Hasso Tepper'; xorp-users at xorp.org; 'Pavlin Radoslavov'
Subject: Re: [Xorp-users] ospf4 ip-router-alert option
Hi,
Take a look at section 16.4 in RFC 2328.
Atanu.
>>>>> "Michael" == Michael Fox <michael.fox at vyatta.com> writes:
Michael> Thank you both. Now, could you tackle my similar question
Michael> regarding the ospf4 rfc1583-compatibility option?
Michael> Thanks, Michael
Michael> -----Original Message----- From: Hasso Tepper
Michael> [mailto:hasso at linux.ee] Sent: Wednesday, May 09, 2007 4:18
Michael> PM To: xorp-users at xorp.org Cc: Pavlin Radoslavov; Michael
Michael> Fox Subject: Re: [Xorp-users] ospf4 ip-router-alert option
Michael> Pavlin Radoslavov wrote:
>> The TOS bits would matter only if you have diffserv or something
>> like that and even then you would need them only in certain
>> circumstances.
Michael> Nope. Most of nowadays routers use QoS by default
Michael> anyway. They reserve some percentage from every link for
Michael> network control and they have QoS between forwarding plane
Michael> and control plane (often even not configurable). Don't set
Michael> IPTOS_PREC_INTERNETCONTROL for routing protocols and you
Michael> can be sure that your routing protocol sessions will be
Michael> dropped even during very small attacks not having any
Michael> operational impact to any other router or traffic in
Michael> general.
Michael> -- Hasso Tepper
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Michael> mailing list Xorp-users at xorp.org
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