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CPE2-15 - all connection on Dashboard shown as one-way

 
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dalenorman
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PostPosted: Mon Nov 03, 2008 3:28 am    Post subject: CPE2-15 - all connection on Dashboard shown as one-way Reply with quote

I have a Deliberant CPE2-15 (15dB directional antenna with 500mW radio) on the top floor of a 13 storey building. It's mounted to the ceiling aiming straight down.

It is a gateway is is installed this way in an attempt to service nodes several floor below it as their 1-hop gateway.

It works, and nodes 3-4 floors below it claim to be using it as their gateway. But it claims that it can only hear nodes 0 and 1 floor away. It does not show distant nodes on it's list of neighbors.

I understand that it is not ideal to mix radios with such differences in output power and antenna gain in the same network. I understand that this can lead to one-way links between nodes. But the problem i'm describing is a problem with how Dashboard is displaying the link. It's not possible that the link is really one-way, because repeaters that the gateway claims it can't hear are successfully using it as a gateway.

It the least, i'm describing a bug in the way Dashboard lists neighbors. At worst, i'm describing a problem with ROBIN observing routing decisions of OLSR.

Anyone else seeing what i'm describing on your networks?
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Antonio (isleman)
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PostPosted: Mon Nov 03, 2008 8:57 am    Post subject: Reply with quote

a good way to inspect OLSR routing decisions is to run the command olsrd-mon which displays all OLSR tables (link, neighboors, HNA, routes).
Try to run the above command on CPE gateway and on "lower" nodes.
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dalenorman
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PostPosted: Thu Nov 20, 2008 11:06 pm    Post subject: Reply with quote

output from OLSRD-mon on the Accton repeater...

floor 12 node 17 - 5.131.92.162 (this node "hears" the Deliberant gateway, but the Deliberant claims to not hear it...)

HTTP/1.0 200 OK
Content-type: text/plain

Table: Links
Local IP Remote IP Hyst. LQ NLQ Cost
5.131.92.162 5.128.49.116 0.00 1.000 1.000 1.000
5.131.92.162 5.127.252.168 0.00 1.000 1.000 1.000
5.131.92.162 5.131.92.210 0.00 1.000 0.976 1.024
5.131.92.162 5.131.93.144 0.00 0.894 0.937 1.193
5.131.92.162 5.129.254.120 0.00 0.239 0.675 6.198
5.131.92.162 5.131.93.184 0.00 0.067 0.176 INFINITE
5.131.92.162 5.131.93.154 0.00 0.039 0.000 INFINITE
5.131.92.162 5.130.1.92 0.00 0.094 0.075 INFINITE

Table: Neighbors
IP address SYM MPR MPRS Will. 2 Hop Neighbors
5.131.92.210 YES YES NO 3 6
5.131.93.184 YES YES YES 3 10
5.128.49.116 YES YES YES 3 4
5.127.252.168 YES YES YES 3 6
5.131.93.144 YES YES YES 3 7
5.131.93.154 NO NO NO 3 0
5.130.1.92 YES NO YES 3 8
5.129.254.120 YES YES YES 3 6

Table: Topology
Dest. IP Last hop IP LQ NLQ Cost
5.1.156.43 5.1.39.60 1.000 1.000 1.000
5.131.93.86 5.1.39.60 0.914 1.000 1.094
5.131.94.6 5.1.39.60 0.969 0.682 1.513
5.131.94.58 5.1.39.60 1.000 1.000 1.000
5.1.39.60 5.1.156.43 1.000 1.000 1.000
5.131.93.86 5.1.156.43 1.000 0.718 1.393
5.128.49.116 5.127.252.168 1.000 1.000 1.000
5.129.254.120 5.127.252.168 0.561 0.918 1.943
5.131.92.162 5.127.252.168 1.000 1.000 1.000
5.131.92.210 5.127.252.168 1.000 1.000 1.000
5.131.93.144 5.127.252.168 1.000 0.929 1.076
5.131.93.184 5.127.252.168 0.102 0.239 40.999
5.127.252.168 5.128.49.116 1.000 1.000 1.000
5.131.92.162 5.128.49.116 1.000 1.000 1.000
5.131.92.210 5.128.49.116 1.000 1.000 1.000
5.131.93.86 5.128.49.116 0.882 1.000 1.133
5.131.93.144 5.128.49.116 0.808 0.855 1.448
5.127.252.168 5.129.254.120 0.929 0.561 1.919
5.130.1.92 5.129.254.120 0.925 1.000 1.081
5.131.92.162 5.129.254.120 0.392 0.322 7.930
5.131.92.210 5.129.254.120 1.000 0.902 1.109
5.131.93.144 5.129.254.120 1.000 1.000 1.000
5.131.93.154 5.129.254.120 0.925 0.969 1.115
5.131.93.184 5.129.254.120 0.984 1.000 1.016
5.129.254.120 5.130.1.92 1.000 0.914 1.094
5.131.92.96 5.130.1.92 0.294 0.408 8.337
5.131.92.210 5.130.1.92 0.890 0.761 1.477
5.131.93.124 5.130.1.92 0.788 0.765 1.659
5.131.93.144 5.130.1.92 1.000 0.871 1.149
5.131.93.154 5.130.1.92 1.000 1.000 1.000
5.131.93.184 5.130.1.92 1.000 1.000 1.000
5.131.94.6 5.130.1.92 0.290 0.588 5.858
5.130.1.92 5.131.92.96 0.494 0.294 6.881
5.131.93.124 5.131.92.96 1.000 1.000 1.000
5.131.93.154 5.131.92.96 1.000 1.000 1.000
5.131.93.184 5.131.92.96 0.953 0.922 1.139
5.131.94.6 5.131.92.96 1.000 1.000 1.000
5.131.94.58 5.131.92.96 1.000 1.000 1.000
5.127.252.168 5.131.92.162 1.000 1.000 1.000
5.128.49.116 5.131.92.162 1.000 1.000 1.000
5.129.254.120 5.131.92.162 0.263 0.675 5.643
5.131.92.210 5.131.92.162 1.000 0.973 1.028
5.131.93.144 5.131.92.162 0.894 0.937 1.193
5.127.252.168 5.131.92.210 1.000 1.000 1.000
5.128.49.116 5.131.92.210 1.000 1.000 1.000
5.129.254.120 5.131.92.210 0.925 1.000 1.081
5.130.1.92 5.131.92.210 0.788 0.875 1.451
5.131.92.162 5.131.92.210 0.976 1.000 1.024
5.131.93.144 5.131.92.210 1.000 1.000 1.000
5.131.93.184 5.131.92.210 0.325 0.482 6.369
5.1.39.60 5.131.93.86 1.000 0.914 1.094
5.1.156.43 5.131.93.86 0.682 1.000 1.466
5.128.49.116 5.131.93.86 1.000 0.867 1.154
5.131.94.6 5.131.93.86 0.894 0.741 1.509
5.131.94.58 5.131.93.86 0.980 0.890 1.146
5.130.1.92 5.131.93.124 0.765 0.761 1.719
5.131.92.96 5.131.93.124 1.000 1.000 1.000
5.131.93.154 5.131.93.124 1.000 1.000 1.000
5.131.93.184 5.131.93.124 0.965 1.000 1.037
5.131.94.6 5.131.93.124 0.973 1.000 1.028
5.131.94.58 5.131.93.124 0.871 0.878 1.308
5.127.252.168 5.131.93.144 0.929 1.000 1.076
5.128.49.116 5.131.93.144 0.871 0.808 1.422
5.129.254.120 5.131.93.144 1.000 1.000 1.000
5.130.1.92 5.131.93.144 0.886 1.000 1.128
5.131.92.162 5.131.93.144 0.945 0.894 1.183
5.131.92.210 5.131.93.144 1.000 1.000 1.000
5.131.93.154 5.131.93.144 0.796 0.918 1.369
5.131.93.184 5.131.93.144 0.984 0.914 1.112
5.129.254.120 5.131.93.154 0.969 0.902 1.145
5.130.1.92 5.131.93.154 1.000 1.000 1.000
5.131.92.96 5.131.93.154 1.000 1.000 1.000
5.131.93.124 5.131.93.154 1.000 1.000 1.000
5.131.93.144 5.131.93.154 0.918 0.773 1.411
5.131.93.184 5.131.93.154 1.000 1.000 1.000
5.131.94.6 5.131.93.154 0.871 0.996 1.153
5.131.94.58 5.131.93.154 0.859 0.824 1.414
5.127.252.168 5.131.93.184 0.149 0.153 43.876
5.129.254.120 5.131.93.184 1.000 0.980 1.020
5.130.1.92 5.131.93.184 1.000 1.000 1.000
5.131.92.96 5.131.93.184 0.922 0.945 1.148
5.131.92.210 5.131.93.184 0.357 0.494 5.671
5.131.93.124 5.131.93.184 1.000 0.949 1.054
5.131.93.144 5.131.93.184 0.914 0.980 1.116
5.131.93.154 5.131.93.184 1.000 1.000 1.000
5.131.94.6 5.131.93.184 0.106 0.455 20.761
5.131.94.58 5.131.93.184 0.263 0.231 16.450
5.1.39.60 5.131.94.6 0.718 0.969 1.439
5.130.1.92 5.131.94.6 0.588 0.208 8.179
5.131.92.96 5.131.94.6 1.000 1.000 1.000
5.131.93.86 5.131.94.6 0.706 0.992 1.428
5.131.93.124 5.131.94.6 1.000 0.969 1.032
5.131.93.154 5.131.94.6 0.996 0.855 1.174
5.131.93.184 5.131.94.6 0.239 0.220 19.035
5.131.94.58 5.131.94.6 1.000 1.000 1.000
5.1.39.60 5.131.94.58 1.000 1.000 1.000
5.131.92.96 5.131.94.58 1.000 1.000 1.000
5.131.93.86 5.131.94.58 0.902 0.976 1.135
5.131.93.124 5.131.94.58 0.906 0.871 1.268
5.131.93.154 5.131.94.58 0.824 0.843 1.440
5.131.93.184 5.131.94.58 0.122 0.427 19.244
5.131.94.6 5.131.94.58 1.000 1.000 1.000

Table: HNA
Destination Gateway
0.0.0.0/0 5.131.94.58
0.0.0.0/0 5.128.49.116
0.0.0.0/0 5.131.93.86

Table: MID
IP address Aliases

Table: Routes
Destination Gateway IP Metric ETX Interface
0.0.0.0/0 5.128.49.116 1 1.000 ath0
5.1.39.60/32 5.128.49.116 3 3.228 ath0
5.1.156.43/32 5.128.49.116 3 3.599 ath0
5.127.252.168/32 5.127.252.168 1 1.000 ath0
5.128.49.116/32 5.128.49.116 1 1.000 ath0
5.129.254.120/32 5.131.92.210 2 2.123 ath0
5.130.1.92/32 5.131.93.144 2 2.322 ath0
5.131.92.96/32 5.131.93.144 3 3.453 ath0
5.131.92.210/32 5.131.92.210 1 1.028 ath0
5.131.93.86/32 5.128.49.116 2 2.133 ath0
5.131.93.124/32 5.131.93.144 3 3.359 ath0
5.131.93.144/32 5.131.93.144 1 1.193 ath0
5.131.93.154/32 5.131.93.144 2 2.641 ath0
5.131.93.184/32 5.131.93.144 2 2.305 ath0
5.131.94.6/32 5.128.49.116 3 3.642 ath0
5.131.94.58/32 5.128.49.116 3 3.279 ath0

root@floor_12_node_17:~#
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dalenorman
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PostPosted: Thu Nov 20, 2008 11:09 pm    Post subject: Reply with quote

And this is the output from OLSRD-mon on the Deliberant gateway...

PH - floor 12 - node 24 5.128.49.116




HTTP/1.0 200 OK
Content-type: text/plain

Table: Links
Local IP Remote IP Hyst. LQ NLQ Cost
5.128.49.116 5.131.93.86 0.00 1.000 1.000 1.000
5.128.49.116 5.127.252.168 0.00 1.000 1.000 1.000
5.128.49.116 5.131.92.162 0.00 1.000 1.000 1.000
5.128.49.116 5.131.92.210 0.00 0.984 1.000 1.016
5.128.49.116 5.131.93.144 0.00 0.980 0.957 1.066

Table: Neighbors
IP address SYM MPR MPRS Will. 2 Hop Neighbors
5.131.92.210 YES YES YES 3 4
5.131.92.162 YES NO YES 3 3
5.127.252.168 YES NO YES 3 3
5.131.93.144 YES YES YES 3 7
5.131.93.86 YES YES YES 3 4

Table: Topology
Dest. IP Last hop IP LQ NLQ Cost
5.1.156.43 5.1.39.60 1.000 1.000 1.000
5.131.93.86 5.1.39.60 0.929 0.992 1.084
5.131.94.6 5.1.39.60 1.000 0.890 1.123
5.131.94.58 5.1.39.60 1.000 1.000 1.000
5.1.39.60 5.1.156.43 1.000 1.000 1.000
5.131.93.86 5.1.156.43 0.941 0.580 1.831
5.128.49.116 5.127.252.168 1.000 1.000 1.000
5.131.92.162 5.127.252.168 1.000 1.000 1.000
5.131.92.210 5.127.252.168 1.000 1.000 1.000
5.131.93.144 5.127.252.168 1.000 0.973 1.028
5.131.93.184 5.127.252.168 0.102 0.239 40.999
5.127.252.168 5.128.49.116 1.000 1.000 1.000
5.131.92.162 5.128.49.116 1.000 1.000 1.000
5.131.92.210 5.128.49.116 0.980 1.000 1.020
5.131.93.86 5.128.49.116 1.000 1.000 1.000
5.131.93.144 5.128.49.116 0.973 0.941 1.092
5.130.1.92 5.129.254.120 1.000 1.000 1.000
5.131.92.210 5.129.254.120 0.976 0.969 1.057
5.131.93.124 5.129.254.120 0.890 1.000 1.123
5.131.93.144 5.129.254.120 1.000 1.000 1.000
5.131.93.154 5.129.254.120 0.996 1.000 1.004
5.131.93.184 5.129.254.120 1.000 1.000 1.000
5.129.254.120 5.130.1.92 1.000 1.000 1.000
5.131.92.96 5.130.1.92 0.859 0.792 1.470
5.131.93.144 5.130.1.92 0.996 1.000 1.004
5.131.93.154 5.130.1.92 1.000 0.969 1.032
5.131.93.184 5.130.1.92 1.000 1.000 1.000
5.130.1.92 5.131.92.96 0.816 0.859 1.427
5.131.93.124 5.131.92.96 1.000 1.000 1.000
5.131.93.154 5.131.92.96 1.000 1.000 1.000
5.131.93.184 5.131.92.96 0.902 0.937 1.183
5.131.94.6 5.131.92.96 1.000 1.000 1.000
5.131.94.58 5.131.92.96 0.976 1.000 1.024
5.127.252.168 5.131.92.162 1.000 1.000 1.000
5.128.49.116 5.131.92.162 1.000 1.000 1.000
5.131.92.210 5.131.92.162 1.000 1.000 1.000
5.131.93.144 5.131.92.162 0.788 0.600 2.114
5.127.252.168 5.131.92.210 1.000 1.000 1.000
5.128.49.116 5.131.92.210 1.000 0.980 1.020
5.129.254.120 5.131.92.210 0.973 0.976 1.053
5.131.92.162 5.131.92.210 1.000 1.000 1.000
5.131.93.144 5.131.92.210 1.000 1.000 1.000
5.1.39.60 5.131.93.86 0.996 0.918 1.094
5.1.156.43 5.131.93.86 0.624 0.941 1.704
5.128.49.116 5.131.93.86 1.000 1.000 1.000
5.131.94.6 5.131.93.86 0.855 0.875 1.338
5.131.94.58 5.131.93.86 1.000 0.945 1.058
5.129.254.120 5.131.93.124 1.000 0.890 1.123
5.131.92.96 5.131.93.124 1.000 1.000 1.000
5.131.93.154 5.131.93.124 1.000 1.000 1.000
5.131.93.184 5.131.93.124 0.800 1.000 1.250
5.131.94.6 5.131.93.124 1.000 1.000 1.000
5.131.94.58 5.131.93.124 0.600 0.710 2.348
5.127.252.168 5.131.93.144 0.973 1.000 1.028
5.128.49.116 5.131.93.144 0.957 0.976 1.070
5.129.254.120 5.131.93.144 1.000 1.000 1.000
5.130.1.92 5.131.93.144 1.000 0.992 1.008
5.131.92.162 5.131.93.144 0.600 0.761 2.191
5.131.92.210 5.131.93.144 1.000 1.000 1.000
5.131.93.154 5.131.93.144 0.604 0.639 2.590
5.131.93.184 5.131.93.144 0.678 0.929 1.586
5.129.254.120 5.131.93.154 1.000 0.996 1.004
5.130.1.92 5.131.93.154 0.969 1.000 1.032
5.131.92.96 5.131.93.154 1.000 1.000 1.000
5.131.93.124 5.131.93.154 1.000 1.000 1.000
5.131.93.144 5.131.93.154 0.620 0.667 2.421
5.131.93.184 5.131.93.154 1.000 1.000 1.000
5.131.94.6 5.131.93.154 0.859 1.000 1.164
5.127.252.168 5.131.93.184 0.149 0.153 43.876
5.129.254.120 5.131.93.184 1.000 1.000 1.000
5.130.1.92 5.131.93.184 1.000 1.000 1.000
5.131.92.96 5.131.93.184 0.953 0.902 1.163
5.131.93.124 5.131.93.184 1.000 0.800 1.250
5.131.93.144 5.131.93.184 0.847 0.753 1.568
5.131.93.154 5.131.93.184 1.000 1.000 1.000
5.131.94.58 5.131.93.184 0.647 0.694 2.226
5.1.39.60 5.131.94.6 0.902 1.000 1.109
5.131.92.96 5.131.94.6 1.000 1.000 1.000
5.131.93.86 5.131.94.6 0.902 0.855 1.297
5.131.93.124 5.131.94.6 1.000 1.000 1.000
5.131.93.154 5.131.94.6 1.000 0.859 1.164
5.131.94.58 5.131.94.6 1.000 1.000 1.000
5.1.39.60 5.131.94.58 1.000 1.000 1.000
5.131.92.96 5.131.94.58 1.000 0.973 1.028
5.131.93.86 5.131.94.58 0.953 1.000 1.049
5.131.93.124 5.131.94.58 0.678 0.600 2.457
5.131.93.184 5.131.94.58 0.655 0.796 1.918
5.131.94.6 5.131.94.58 1.000 1.000 1.000

Table: HNA
Destination Gateway
0.0.0.0/0 5.128.49.116

Table: MID
IP address Aliases

Table: Routes
Destination Gateway IP Metric ETX Interface
5.1.39.60/32 5.131.93.86 2 2.113 ath0
5.1.156.43/32 5.131.93.86 2 3.026 ath0
5.127.252.168/32 5.127.252.168 1 1.000 ath0
5.129.254.120/32 5.131.92.210 2 2.081 ath0
5.130.1.92/32 5.131.93.144 2 2.100 ath0
5.131.92.96/32 5.131.93.86 3 3.099 ath0
5.131.92.162/32 5.131.92.162 1 1.000 ath0
5.131.92.210/32 5.131.92.210 1 1.020 ath0
5.131.93.86/32 5.131.93.86 1 1.000 ath0
5.131.93.124/32 5.131.92.210 3 3.225 ath0
5.131.93.144/32 5.131.93.144 1 1.092 ath0
5.131.93.154/32 5.131.92.210 3 3.085 ath0
5.131.93.184/32 5.131.93.144 2 2.521 ath0
5.131.94.6/32 5.131.93.86 2 2.338 ath0
5.131.94.58/32 5.131.93.86 2 2.067 ath0

root@PH_-_floor_12_-_node_24:~#
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