[OLSR-users] LQ problems

Holger Mauermann (spam-protected)
Wed Feb 16 10:28:36 CET 2005


Hi,

> In this case setting TcRedundancy to 2 in the configuration file would be
> a work-around.

Ok, I'll try this.

> Do you have logs that cover the same period of time on node B?

I just captured the debug output on all three nodes. If you like I can
email the full logs to you. Here are only some interesting snippets:

***** NODE C *****

--- 08:23:24.90 ------------------------------------------------- DIJKSTRA

192.168.74.1:2.07 <- 192.168.74.2:1.00 (one-hop)
192.168.74.2:1.00 (one-hop)

--- 08:23:24.90 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  0.200  12     15     0.067  75.00
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:23:24.90 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     0.200  0.067  YES   NO    NO    3
192.168.74.2     1.000  1.000  YES   NO    NO    3

--- 08:23:24.90 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
192.168.74.2     192.168.74.1     0.933  1.000  1.07
TC-SET: Deleting empty entry 192.168.74.2 ->


***** NODE B *****

--- 08:23:24.97 ------------------------------------------------- DIJKSTRA

192.168.74.1:1.07 (one-hop)
192.168.74.4:1.00 (one-hop)

--- 08:23:24.97 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  1.000  0      15     0.933  1.07
192.168.74.4     0.000  1.000  0      15     1.000  1.00

--- 08:23:24.97 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     1.000  0.933  YES   NO    YES   3
192.168.74.4     1.000  1.000  YES   NO    NO    3

--- 08:23:24.97 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX

--- 08:23:26.54 ------------------------------------------------- DIJKSTRA

192.168.74.1:1.07 (one-hop)
192.168.74.4:1.00 (one-hop)

--- 08:23:26.54 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  1.000  0      15     0.933  1.07
192.168.74.4     0.000  1.000  0      15     1.000  1.00

--- 08:23:26.54 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     1.000  0.933  YES   NO    YES   3
192.168.74.4     1.000  1.000  YES   NO    NO    3

--- 08:23:26.54 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
MPRS: Timing out 192.168.74.1


***** NODE C *****

--- 08:23:32.16 ------------------------------------------------- DIJKSTRA

192.168.74.1:75.00 (one-hop)
192.168.74.2:1.00 (one-hop)
(ioctl)Deleting route: 192.168.74.1(hopc 2)
(ioctl)Adding route: 192.168.74.1 gw 192.168.74.1 (hopc 1)

--- 08:23:32.16 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  0.200  12     15     0.067  75.00
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:23:32.16 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     0.200  0.067  YES   NO    NO    3
192.168.74.2     1.000  1.000  YES   NO    NO    3

--- 08:23:32.16 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX


***** NODE B *****

--- 08:23:34.75 ------------------------------------------------- DIJKSTRA

192.168.74.1:1.00 (one-hop)
192.168.74.4:1.00 (one-hop)

--- 08:23:34.75 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  1.000  0      15     1.000  1.00
192.168.74.4     0.000  1.000  0      15     1.000  1.00

--- 08:23:34.75 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     1.000  1.000  YES   NO    NO    3
192.168.74.4     1.000  1.000  YES   NO    NO    3

--- 08:23:34.75 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX

.
.
.

***** NODE A *****

--- 08:24:36.72 ------------------------------------------------- DIJKSTRA

192.168.74.2:1.00 (one-hop)
192.168.74.4:INF <- FAILED

--- 08:24:36.72 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.4     0.000  0.000  15     15     0.267  0.00
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:24:36.72 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.2     1.000  1.000  YES   NO    NO    3
192.168.74.4     0.000  0.267  YES   NO    NO    3

--- 08:24:36.72 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX

--- 08:24:36.91 ------------------------------------------------- DIJKSTRA

192.168.74.2:1.00 (one-hop)

--- 08:24:36.91 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:24:36.91 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.2     1.000  1.000  YES   YES   NO    3

--- 08:24:36.91 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
TC: adding entry 192.168.74.2


***** NODE B *****

--- 08:24:38.68 ------------------------------------------------- DIJKSTRA

192.168.74.1:1.00 (one-hop)
192.168.74.4:1.00 (one-hop)

--- 08:24:38.68 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  1.000  0      15     1.000  1.00
192.168.74.4     0.000  1.000  0      15     1.000  1.00

--- 08:24:38.68 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     1.000  1.000  YES   NO    NO    3
192.168.74.4     1.000  1.000  YES   NO    NO    3

--- 08:24:38.68 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
MPRS: adding 192.168.74.1


***** NODE C *****

--- 08:24:39.60 ------------------------------------------------- DIJKSTRA

192.168.74.1:28.12 (one-hop)
192.168.74.2:1.00 (one-hop)

--- 08:24:39.60 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  0.133  13     15     0.267  28.12
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:24:39.60 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     0.133  0.267  YES   NO    NO    3
192.168.74.2     1.000  1.000  YES   NO    NO    3

--- 08:24:39.60 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
TC: adding entry 192.168.74.2

--- 08:24:39.97 ------------------------------------------------- DIJKSTRA

192.168.74.1:2.00 <- 192.168.74.2:1.00 (one-hop)
192.168.74.2:1.00 (one-hop)
(ioctl)Deleting route: 192.168.74.1(hopc 1)
(ioctl)Adding route: 192.168.74.1 gw 192.168.74.2 (hopc 2)

--- 08:24:39.97 ---------------------------------------------------- LINKS

IP address       hyst   LQ     lost   total  NLQ    ETX
192.168.74.1     0.000  0.133  13     15     0.267  28.12
192.168.74.2     0.000  1.000  0      15     1.000  1.00

--- 08:24:39.97 ------------------------------------------------ NEIGHBORS

IP address       LQ     NLQ    SYM   MPR   MPRS  will
192.168.74.1     0.133  0.267  YES   NO    NO    3
192.168.74.2     1.000  1.000  YES   NO    NO    3

--- 08:24:39.97 ------------------------------------------------- TOPOLOGY

Source IP addr   Dest IP addr     LQ     ILQ    ETX
192.168.74.2     192.168.74.1     1.000  1.000  1.00


Thanks, Holger



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