deleting an alias from interface cause the static route to
be deleted
Коньков Евгений
kes-kes at yandex.ru
Tue Feb 21 20:56:02 UTC 2012
Здравствуйте, Ivan.
Вы писали 21 февраля 2012 г., 0:45:33:
II> 2012/2/20 Коньков Евгений <kes-kes at yandex.ru>:
>>
>> vlan74: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>> options=3<RXCSUM,TXCSUM>
>> ether f4:6d:04:7c:7b:d3
>> inet6 fe80::f66d:4ff:fe7c:7bd3%vlan74 prefixlen 64 scopeid 0xd
>> inet 10.1.26.1 netmask 0xfffffe00 broadcast 10.1.27.255
>> inet 10.1.26.3 netmask 0xfffffe00 broadcast 10.1.27.255
>> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> media: Ethernet autoselect (1000baseT <full-duplex>)
>> status: active
>> vlan: 74 parent interface: re0
>>
>> ifconfig vlan74 delete 10.1.26.1
>>
>> will delete these static routes from route table:
>>
>> 10.3.0.1 10.1.26.2 UGHS 8 367 vlan74
>> 10.1.6.0/23 10.1.26.2 UGS 275 166969 vlan74
>>
>> Does this a bug?
>>
II> See here:
II> http://lists.freebsd.org/pipermail/freebsd-net/2012-February/031404.html
II> It should be fixed, I asked Andrew and he said it was fixed as well.
II> If latest code still has this problem, than yes it's a bug.
http://www.freebsd.org/cgi/query-pr.cgi?pr=128954&cat=bin
it is repeatable on
# uname -a
FreeBSD 8.3-PRERELEASE FreeBSD 8.3-PRERELEASE #1 r231881: Fri Feb 17 17:20:09 UTC 2012 @:/usr/obj/usr/src/sys/KES_KERN_v8 amd64
# ifconfig vlan7
vlan7: flags=8002<BROADCAST,MULTICAST> metric 0 mtu 1500
ether 00:00:00:00:00:00
vlan: 0 parent interface: <none>
# ifconfig vlan7 vlan 7 vlandev re0
# ifconfig vlan7
vlan7: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=3<RXCSUM,TXCSUM>
ether 14:da:e9:b8:5a:76
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 7 parent interface: re0
# ifconfig vlan7 add 10.3.0.1/24
# ifconfig vlan7 add 10.3.0.2/24
# route add 10.4.0.0/24 10.3.0.3
add net 10.4.0.0: gateway 10.3.0.3
# netstat -nr
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 10.11.6.1 UGS 0 0 re0
10.0.0.0/8 10.11.6.1 UGS 1 241 re0
10.3.0.0/24 link#7 U 0 0 vlan7
10.3.0.1 link#7 UHS 0 0 lo0
10.3.0.2 link#7 UHS 0 0 lo0
10.4.0.0/24 10.3.0.3 UGS 0 0 vlan7
10.5.0.18 link#5 UH 0 0 lo0
10.11.6.0/28 link#2 U 0 6161 re0
10.11.6.7 link#2 UHS 0 0 lo0
127.0.0.1 link#5 UH 0 53 lo0
Internet6:
Destination Gateway Flags Netif Expire
::/96 ::1 UGRS lo0
::1 ::1 UH lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
fe80::%lo0/64 link#5 U lo0
fe80::1%lo0 link#5 UHS lo0
ff01::%lo0/32 fe80::1%lo0 U lo0
ff02::%lo0/32 fe80::1%lo0 U lo0
--------------------------------
# ifconfig vlan7 delete 10.3.0.1
# netstat -nr
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 10.11.6.1 UGS 0 0 re0
10.0.0.0/8 10.11.6.1 UGS 0 334 re0
10.3.0.0/24 link#7 U 0 0 vlan7
10.3.0.2 link#7 UHS 0 0 lo0
10.5.0.18 link#5 UH 0 0 lo0
10.11.6.0/28 link#2 U 0 6161 re0
10.11.6.7 link#2 UHS 0 0 lo0
127.0.0.1 link#5 UH 0 53 lo0
Internet6:
Destination Gateway Flags Netif Expire
::/96 ::1 UGRS lo0
::1 ::1 UH lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
fe80::%lo0/64 link#5 U lo0
fe80::1%lo0 link#5 UHS lo0
ff01::%lo0/32 fe80::1%lo0 U lo0
ff02::%lo0/32 fe80::1%lo0 U lo0
# ifconfig vlan7
vlan7: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=3<RXCSUM,TXCSUM>
ether 14:da:e9:b8:5a:76
inet 10.3.0.2 netmask 0xffffff00 broadcast 10.3.0.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 7 parent interface: re0
NOTICE: that '10.4.0.0/24' is still reachable through 10.3.0.3 via vlan7
but route
10.4.0.0/24 10.3.0.3 UGS 0 0 vlan7
was deleted while deleting IP from vlan
--
С уважением,
Коньков mailto:kes-kes at yandex.ru
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