Thanks. The EIGRP Convergence is slow. Before it was fast but now it's slow. 
Although we have tunnel2 for those routes. Here are the configuration for Tunnel
 
The bandwidth of the ISP is 12mb and tunnel bandwidth is configured for 2000.
 
Current configuration : 562 bytes
!
interface Tunnel1
 description Primary TW1 Data Tunnel
 bandwidth 2000
 ip address 172.18.1.25 255.255.255.0
 no ip redirects
 ip mtu 1400
 ip nhrp authentication AUTH@1
 ip nhrp map multicast 200.40.170.200
 ip nhrp map 172.18.1.2 200.40.170.200
 ip nhrp map 172.18.1.1 200.19.169.200
 ip nhrp map multicast 200.19.169.200
 ip nhrp network-id 63
 ip nhrp nhs 172.18.1.1
 ip nhrp nhs 172.18.1.2
 ip tcp adjust-mss 1360
 delay 500
 tunnel source GigabitEthernet0/1
 tunnel mode gre multipoint
 tunnel key 63
 tunnel protection ipsec profile CoverTunnels
end




 
 
  
 
 
Regards,
 
Khizer Rehman
0300 8113462
 

 


> CC: [email protected]; [email protected]
> From: [email protected]
> Subject: Re: [OSL | CCIE_RS] DMVPN EIGRP ROUTES UPDATE WITH DELAY
> Date: Sun, 6 Jan 2013 11:53:40 -0500
> To: [email protected]
> 
> I experienced a similar issue a while back. I believe the default bandwidth 
> on the tunnel interface was 56k. Eigrp gets 50% of that for updates. So, in 
> our case this resulted I'm extremely slow convergence. 
> 
> Sent from my iPad
> 
> On Jan 6, 2013, at 11:24 AM, Scott Sierra <[email protected]> wrote:
> 
> > Is it not updating at all or is it just not updating fast? You memtioned 
> > both.
> > 
> > -------- Original message --------
> > From: Khizer Rehman <[email protected]> 
> > Date: 
> > To: Khizer Rehman <[email protected]> 
> > Cc: [email protected] 
> > Subject: [OSL | CCIE_RS] DMVPN EIGRP ROUTES UPDATE WITH DELAY 
> > 
> > 
> > Hello Everyone.
> > 
> > We have setup DMVPN for connectivity between HQ and Remote Offices. We have 
> > two hub routers setup tunnel1 and tunnel2 on both routers. The dmvpn eigrp 
> > routes was working fine but just few month ago the fail over is not working 
> > fine.
> > 
> > We have two tunnels configured on each remote site, lets say DATA traffic 
> > route on Tunnel1 and Voice traffic route on Tunnel2, we did it by 
> > offset-list to prefer the traffic on each tunnel. Both tunnels are 
> > configured with different ISP and both tunnel are on different router. Like 
> > we have two routers A and B. On A we have Tunnel1 and B have Tunnel2. Both 
> > are connected with Core switch and configured EIGRP between them.
> > 
> > When we shutdown the Tunnel1 ISP. The routes Update on B rotuer for Data 
> > but A route still show route for Data on Tunnel1. Which change the route 
> > within 1min and 40 seconds. Which are enough for generate alerts and 
> > application goes down.
> > 
> > Router A COnfiguration
> > 
> > router eigrp 700
> > distribute-list LocalRangesToAdvertiseOverDMVPN out Tunnel1
> > distribute-list LocalRangesToAdvertiseOverDMVPN out Tunnel2
> > default-metric 1000000 100 255 1 1500
> > network 172.18.1.0 0.0.0.255
> > network 172.18.2.0 0.0.0.255
> > network 172.25.0.0
> > network 172.25.4.0 0.0.0.255
> > network 172.26.0.0
> > network 172.30.90.0 0.0.0.255
> > network 192.168.25.0
> > network 192.168.211.0
> > redistribute static
> > offset-list MakeThesePreferableThroughVoiceTunnel out 10000 Tunnel1
> > offset-list MakeThesePreferableThroughDataTunnel out 10000 Tunnel2
> > 
> > 
> > 
> > PLease can someone share why the route on A doesn't update fast, which was 
> > doing good before.
> > 
> > 
> > 
> > 
> > 
> > 
> > Regards,
> > 
> > Khizer Rehman
> > 
> > 
> > 
> > _______________________________________________
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> > visit www.ipexpert.com
> > 
> > Are you a CCNP or CCIE and looking for a job? Check out 
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> > 
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