[tech] No route to some hosts

[Jacques Chester]

I'm getting no-routes on troppo and mussel at the moment.
Ping gives:

PING troppo.ucc.gu.uwa.edu.au (130.95.13.36): 56 data bytes
92 bytes from madako.ucc.gu.uwa.edu.au (130.95.13.3): Dest  
Unreachable, Bad Code: 10
Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
  4  5  00 5400 2820   0 0000  30  01 f0eb 10.0.0.1  130.95.13.36

92 bytes from madako.ucc.gu.uwa.edu.au (130.95.13.3): Dest  
Unreachable, Bad Code: 10
Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
  4  5  00 5400 2822   0 0000  30  01 f0e9 10.0.0.1  130.95.13.36

Traceroute gives:

traceroute to troppo.ucc.gu.uwa.edu.au (130.95.13.36), 64 hops max,  
40 byte packets
  1  home (10.0.0.138)  1.979 ms  1.174 ms  1.596 ms
  2  172.18.112.227 (172.18.112.227)  45.512 ms  45.889 ms  43.466 ms
  3  172.18.71.14 (172.18.71.14)  45.178 ms  44.840 ms  44.740 ms
  4  61.9.225.8 (61.9.225.8)  45.280 ms  46.019 ms  43.257 ms
  5  tengigabitethernet7-3.fli7.adelaide.telstra.net (139.130.94.49)   
43.477 ms  47.457 ms  43.472 ms
  6  tengige0-8-0-0.fli-core1.adelaide.telstra.net (203.50.120.129)   
43.397 ms  46.313 ms  43.389 ms
  7  tengige0-8-0-2.wel-core3.perth.telstra.net (203.50.115.129)   
77.517 ms  78.073 ms  78.956 ms
  8  gigabitethernet0-1.wel27.perth.telstra.net (203.50.115.165)   
79.189 ms  80.438 ms  78.485 ms
  9  optvp.lnk.telstra.net (139.130.91.30)  78.821 ms  77.625 ms   
78.838 ms
10  61.88.226.123 (61.88.226.123)  79.307 ms  78.073 ms  76.857 ms
11  61.88.226.123 (61.88.226.123)  76.796 ms  79.689 ms  78.807 ms
12  aarnet.o6ssc76fe.optus.net.au (61.88.166.134)  80.744 ms  80.056  
ms  78.890 ms
13  ge-1-0-5.bb1.a.per.aarnet.net.au (202.158.198.9)  78.736 ms   
78.187 ms  78.719 ms
14  gigabitethernet0.er1.uwa.cpe.aarnet.net.au (202.158.198.242)   
78.719 ms  78.024 ms  78.819 ms
15  gw1.er1.uwa.cpe.aarnet.net.au (202.158.198.250)  78.868 ms   
79.970 ms  76.883 ms
16  madako.ucc.gu.uwa.edu.au (130.95.13.3)  78.838 ms  80.535 ms   
80.744 ms
17  madako.ucc.gu.uwa.edu.au (130.95.13.3)  80.694 ms !<10>  80.780  
ms !<10>  80.798 ms !<10>