[c-nsp] SAA/RTR/SLA timing and tracked static routes

Gautam gautam_attravanam at sifycorp.com
Mon Jan 2 07:00:44 EST 2006


Hi 
track 1 rtr 1 reachability
 delay down 150 up 2     

You can use the delay timers and increase the downtime

Regds

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Andre Beck
Sent: Monday, January 02, 2006 5:25 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] SAA/RTR/SLA timing and tracked static routes


Hi,

I have some CPE routers out there that are connected via RBE and
use an intermediate ATM-SNAP to Ethernet bridge provided by the
carrier (aka "DSL Modem"). In order to have these CPEs do a dial
backup when the DSL line fails, I'm currently using RTR and tracked
static routes. We've noticed that the RTR is reacting way too aggressive,
though, it seems the reachability event is triggered instantly when
a single ping goes lost.

The question: Is there any way to configure the rtr so that only a
consecutive loss of at least 3 echos will trigger it unreachable?

Configuration is:


track 1 rtr 1 reachability

rtr 1     
 type echo protocol ipIcmpEcho 1.2.3.4 source-interface FastEthernet0
 timeout 4000
 threshold 500
 frequency 10
rtr schedule 1 life forever start-time now


The threshold of the rtr seems irrelevant as the tracker is using the
reachability trigger only. But how to further configure the timing
of this trigger? There is rtr recation configuration, but it doesn't
seem to apply here - or am I reading the docs wrong?

If there only would be some point2point over Ethernet ARP replacement...

TIA,
Andre.
-- 
                  The _S_anta _C_laus _O_peration
  or "how to turn a complete illusion into a neverending money source"

-> Andre Beck    +++ ABP-RIPE +++    IBH Prof. Dr. Horn GmbH, Dresden <-
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