[HECnet] tunnels down?

[Peter Lothberg]

>  > Hey folks.  All traffic on all of my DECnet tunnels seems to have
>  > dropped dead around 3PM yesterday.  I've been dicking around with my
>  > router's configuration all week, but in an unrelated area (IP NAT
>  > configuration) so I'm pretty sure I didn't break it.  Any thoughts as
>  > to what might be going on?
> 
> Well, I observe that sg1 can't talk to 1.*, which it appears to do via
> Johnny's bridge.  (Well, it _says_ it does so via sva0, and I'm
> _guessing_ that means bridge.)  Or maybe it's the invisible unverifiable
> cisco crap.
> 
> De
> 


The useless C box on the ethernet at Update sees the following:

Platburk>sh decnet neighbors 
Net Node     Interface            MAC address    Flags
0   1.13     Ethernet0            aa00.0400.0d04 A 
0   1.21     Ethernet0            aa00.0400.1504 A 
0   1.15     Ethernet0            aa00.0400.0f04 A 
0   4.248    Ethernet0            aa00.0400.f810 A 
0   8.400    Ethernet0            aa00.0400.9021 A 
0   12.1023  Tunnel3000           0000.0000.0000 A 
0   14.4     Ethernet0            aa00.0400.0438 A 
0   19.40    Ethernet0            aa00.0400.284c A 
0   19.41    Ethernet0            aa00.0400.294c A 
0   23.1023  Tunnel1099           0000.0000.0000 A 
0   28.41    Ethernet0            aa00.0400.2970 A 
0   42.1022  Ethernet0            aa00.0400.feab A 
0   44.1023  Ethernet0            aa00.0400.ffb3 A 
0   47.556   Ethernet0            aa00.0400.2cbe A 
0   62.637   Ethernet0            aa00.0400.7dfa A 
0   59.57    Tunnel3998           0000.0000.0000 V 
0   59.59    Tunnel3999           0000.0000.0000 V A 
0   59.60    Tunnel4999           0000.0000.0000 V A 

Platburk>sh decnet route
  Area       Cost  Hops           Next Hop to Node       Expires  Prio
 1             1     1           Ethernet0 -> 1.15          42     64  A
 1             1     1           Ethernet0 -> 1.13          36     96  A
*1             1     1           Ethernet0 -> 1.21          32     64  A
*2             3     3           Ethernet0 -> 19.41  
*4             1     1           Ethernet0 -> 4.248         36     64  A
*7             3     2           Ethernet0 -> 19.41  
*8             1     1           Ethernet0 -> 8.400         42     64  A
*12           10     1          Tunnel3000 -> 12.1023       40     64  A+
*14            1     1           Ethernet0 -> 14.4          41     64  A
*18            2     2           Ethernet0 -> 19.41  
 19            1     1           Ethernet0 -> 19.40         43     64  A
*19            1     1           Ethernet0 -> 19.41         38     64  A
*22           21     2           Ethernet0 -> 42.1022
*23           10     1          Tunnel1099 -> 23.1023       39     64  A+
*28            1     1           Ethernet0 -> 28.41         44     64  A
*33            2     2           Ethernet0 -> 19.41  
*39            2     2           Ethernet0 -> 19.41  
*42            1     1           Ethernet0 -> 42.1022       33     64  A+
*44            1     1           Ethernet0 -> 44.1023       42     64  A
*47            1     1           Ethernet0 -> 47.556        37     64  A
*59            0     0             (Local) -> 59.11
*61           21     2           Ethernet0 -> 42.1022
*62            1     1           Ethernet0 -> 62.637        44     64  A
*(Area)        0     0             (Local) -> 59.11
*59.10         2     2          Tunnel4999 -> 59.60  
*59.11         0     0             (Local) -> 59.11
*59.57        10     1          Tunnel3998 -> 59.57         37     64  V
*59.58         2     2          Tunnel4999 -> 59.60  
*59.59         1     1          Tunnel3999 -> 59.59         32     64  VA+
*59.60         1     1          Tunnel4999 -> 59.60         32     64  VA+