netdev - Re: [iproute2] iproute2 question

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Date:	Fri, 19 Mar 2010 13:53:23 +0800
From:	thomas yang <lampsu@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	hadi@...erus.ca, netdev@...r.kernel.org
Subject: Re: [iproute2] iproute2 question

2010/3/18 Stephen Hemminger <shemminger@...tta.com>:
> On Thu, 18 Mar 2010 17:02:16 +0800
> thomas yang <lampsu@...il.com> wrote:
>
>> Hi,
>>
>> Linux router R (has some interfaces)  use the table "main" as default
>> routing table to route packets.  If  some link connected to R failed,
>> I want to use another table "backup_tbl" to route packets; if the
>> broken link repaired , go back to use table "main"  .  How to do this?
>
> That's now it works. Use a real routing daemon.
>

I want to reduce the packet loss that happens while routers converge
after a topology change due to a failure, use precalculated backup
table to do rapid failure repair  (repair faster than routing daemon,
fast reroute).
I do static routing on my linux routers.  When  some link  failed,
 I want to  use backup tables to route packets.  Can iproute2 do this?
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