Re: Dual DMVPN cloud with 1 hub terminating two tunnels, equal

From: jeremy co <jeremy.cool14_at_gmail.com>
Date: Fri, 27 Nov 2009 13:33:28 +1100

Hi Dale,

thanx for your response.

Underlying is BGP.

Rack1R6#sh ip ei vrf intl nei
IP-EIGRP neighbors for process 101
H Address Interface Hold Uptime SRTT RTO Q Seq
                                            (sec) (ms) Cnt Num
1 201.0.0.7 Tu1 12 01:21:11 705 5000 0 16
0 200.0.0.7 Tu0 12 01:21:11 702 4212 0 15

Rack1R7(config-if)#do sh ip ei nei
IP-EIGRP neighbors for process 101
H Address Interface Hold Uptime SRTT RTO Q Seq
                                            (sec) (ms) Cnt Num
3 201.0.0.6 Tu1 14 01:21:47 1010 5000 0 9
2 200.0.0.6 Tu0 10 01:21:47 1015 5000 0 10
1 201.0.0.2 Tu1 11 01:39:27 298 5000 0 4
0 200.0.0.2 Tu0 14 01:39:29 271 1626 0 3

Rack1R2(config)#do sh ip ei nei
IP-EIGRP neighbors for process 1
H Address Interface Hold Uptime SRTT RTO Q Seq
                                            (sec) (ms) Cnt Num
0 10.0.23.3 Et0/0 11 01:40:51 1258 5000 0 4
IP-EIGRP neighbors for process 101
H Address Interface Hold Uptime SRTT RTO Q Seq
                                            (sec) (ms) Cnt Num
1 200.0.0.7 Tu0 11 01:38:49 681 4086 0 11
0 201.0.0.7 Tu1 13 01:38:49 124 5000 0 12

I also took "no split-horizon "off R7 and put Bandwidth 1000 under tunn 0
and Bandwidth 10 under tunn 1.

Rack1R2(config)#do sh ip int br
Interface IP-Address OK? Method Status
 Protocol
Ethernet0/0 10.0.23.2 YES NVRAM up
 up
Ethernet0/1 10.0.127.2 YES NVRAM up
 up
Ethernet0/2 unassigned YES NVRAM administratively down
down
Ethernet0/3 unassigned YES NVRAM administratively down
down
Loopback0 2.2.2.2 YES NVRAM up
 up
Loopback1 2.2.2.21 YES NVRAM up
 up
Tunnel0 200.0.0.2 YES NVRAM up
 up
Tunnel1 201.0.0.2 YES NVRAM up
 up

Rack1R7(config-if)#do sh ip int br
Interface IP-Address OK? Method Status
 Protocol
Ethernet0/0 unassigned YES NVRAM administratively down
down
Ethernet0/1 10.0.127.7 YES NVRAM up
 up
Ethernet0/2 unassigned YES NVRAM administratively down
down
Ethernet0/3 unassigned YES NVRAM administratively down
down
Loopback0 7.7.7.7 YES NVRAM up
 up
Loopback1 7.7.7.71 YES NVRAM up
 up
Tunnel0 200.0.0.7 YES NVRAM up
 up
Tunnel1 201.0.0.7 YES NVRAM up
 up

Rack1R6#sh ip int br
Interface IP-Address OK? Method Status
 Protocol
Ethernet0/0 unassigned YES NVRAM administratively down
down
Ethernet0/1 10.0.127.6 YES NVRAM up
 up
Ethernet0/2 unassigned YES NVRAM administratively down
down
Ethernet0/3 unassigned YES NVRAM administratively down
down
Loopback0 6.6.6.6 YES NVRAM up
 up
Loopback1 6.6.6.61 YES NVRAM up
 up
Tunnel0 200.0.0.6 YES manual up
 up
Tunnel1 201.0.0.6 YES manual up
 up

regards,

Jeremy

On Fri, Nov 27, 2009 at 1:18 PM, Dale Shaw <dale.shaw_at_gmail.com> wrote:

> On Fri, Nov 27, 2009 at 12:29 PM, jeremy co <jeremy.cool14_at_gmail.com>
> wrote:
> > I still have problem and couldn't fix it.
>
> What is the underlying topology? Do you have any static routes or some
> other protocol providing underlying connectivity? Post the configs of
> your loopback interfaces, and 'sh ip eigrp ne' output from all
> devices, too.
>
> Take 'no ip split-horizon' off your hub's tunnel interfaces.
>
> Did you try modifying the bandwidth or delay values on R6's tunnel
> interfaces, like I suggested in my first response? I notice they are
> back to defaults in your last post.
>
> cheers,
> Dale

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Received on Fri Nov 27 2009 - 13:33:28 ART

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