Linux IPv6 routing strange behaviour

Max Tulyev maxtul at netassist.ua
Thu Aug 15 15:06:11 CEST 2013


On 15.08.13 15:14, Hannes Frederic Sowa wrote:
> 
> You can also monitor routing insertion/deletion with ip -6 monitor route.
> 

Yes! I think it shows the problem more. There are a lot of this errors:

netlink receive error No buffer space available (105)

What is it?

Here it is the sample:

Deleted 2001:7fb:ff02::/48 via 2a01:d0:0:1c::f9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2001:7fb:ff02::/48 via 2a01:d0:0:1c::f9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
netlink receive error No buffer space available (105)
Deleted 2001:7fb:ff02::/48 via 2a01:d0:0:1c::f9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
 metric 1024  mtu 1500 advmss 1440 hoplimit 0
netlink receive error No buffer space available (105)
Deleted 2a01:bec0::/32 via fe80::21b:21ff:febf:96b4 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2a01:bec0::/32 via fe80::21b:21ff:febf:96b4 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2804:548::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 100  mtu 1500 advmss 1440 hoplimit 0
2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 5500  mtu 1500 advmss 1440 hoplimit 0
Deleted 2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 5500  mtu 1500 advmss 1440 hoplimit 0
2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 6600  mtu 1500 advmss 1440 hoplimit 0
Deleted 2a01:bec0::/32 via fe80::21b:21ff:febf:96b4 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2a01:bec0::/32 via fe80::21b:21ff:febf:96b4 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
2607:f088::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
2804:548::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2607:f088::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2607:f088::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1  mtu 1500 advmss 1440 hoplimit 0
Deleted 2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 6600  mtu 1500 advmss 1440 hoplimit 0
2001:67c:2884::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 100  mtu 1500 advmss 1440 hoplimit 0
netlink receive error No buffer space available (105)
Deleted 2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
 metric 1024  mtu 1500 advmss 1440 hoplimit 0
Deleted 2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto
zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2a00:1a58::/32 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
metric 1024  mtu 1500 advmss 1440 hoplimit 0
netlink receive error No buffer space available (105)
Deleted 2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778
proto zebra  metric 1024  mtu 1500 advmss 1440 hoplimit 0
2001:67c:1ec::/48 via fe80::92e2:baff:fe16:7e9 dev eth1.778  proto zebra
 metric 1024  mtu 1500 advmss 1440 hoplimit 0



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