Issue #2888 has been reported by ygrossel.
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Bug #2888: ifconfig command bug with IPv6 addresses
http://bugs.dragonflybsd.org/issues/2888
* Author: ygrossel
* Status: New
* Priority: Normal
* Assignee:
* Category: Userland
* Target version:
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Hello,
I think there is a bug in the ifconfig command regarding IPv6 addresses. Any
attempt to remove a IPv6 address from an interface using ifconfig fails with
the message:
ifconfig: ioctl (SIOCDIFADDR): Can't assign requested address
How to reproduce:
- add an IPv6 address to some interface using ifconfig alias
- then try to remove that address using ifconfig -alias
- it fails with the error message.
For example:
# ifconfig vke0 | grep inet6
inet6 fe80::2be:dfff:fedf:804%vke0 prefixlen 64 scopeid 0x1
# ifconfig vke0 inet6 alias 2001:db8::1/64
# ifconfig vke0 | grep inet6
inet6 fe80::2be:dfff:fedf:804%vke0 prefixlen 64 scopeid 0x1
inet6 2001:db8::1 prefixlen 64
# ifconfig vke0 inet6 -alias 2001:db8::1
ifconfig: ioctl (SIOCDIFADDR): Can't assign requested address
# ifconfig vke0 | grep inet6
inet6 fe80::2be:dfff:fedf:804%vke0 prefixlen 64 scopeid 0x1
inet6 2001:db8::1 prefixlen 64
The attached patch fixes the bug.
Regards,
Yann
---Files--------------------------------
ifconfig.patch (402 Bytes)
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