** Description changed: Linux Mint 20.3, based on Ubuntu 20.04 $ uname -a Linux mintbook 5.15.0-131-generic #141~20.04.1-Ubuntu SMP Thu Jan 16 18:38:51 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux I have an ASUS notebook and it has no RJ45 socket. I use USB Gigabit adapter based on RTL8153. So far it worked OK but I have found today that I cannot configure alias with ifconfig. Try to configure alias IP address with ifconfig changes default interface. It looks like a bug in the RTL8153 driver. $ ethtool -i enx00e04c68002f driver: r8152 version: v1.12.13 firmware-version: rtl8153b-2 v1 10/23/19 expansion-rom-version: bus-info: usb-0000:00:14.0-2 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no $ lsusb | grep 8153 Bus 002 Device 004: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter Steps to replicate: 1) Connect USB adapter to a LAN, I assume I received IP address 192.168.1.11 from DHCP server. 2) check with ifconfig what is IP address on interface enx00e04c68002f 3) define alias, 'sudo ifconfig enx00e04c68002f:33 192.168.33.11' 4) check with ifconfig the result I see that there is no new interface enx00e04c68002f:33 and that IP address on interface enx00e04c68002f was changed to 192.168.33.11. That is a bug! Expected behavior: Interface enx00e04c68002f will keep IP address assigned from DHCP server, like 192.168.1.11 New interface enx00e04c68002f:33 will be added with IP address 192.168.33.11 This report is for an older kernel and older Ubuntu distribution. I assume the bug is still in the newer kernel, this has to be retested... + + --- + + When I use this method on my WiFi interface (based on rtl8821ce), IP + alias works as expected. This point to an issue with r8152 driver...
** Description changed: Linux Mint 20.3, based on Ubuntu 20.04 $ uname -a Linux mintbook 5.15.0-131-generic #141~20.04.1-Ubuntu SMP Thu Jan 16 18:38:51 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux I have an ASUS notebook and it has no RJ45 socket. I use USB Gigabit adapter based on RTL8153. So far it worked OK but I have found today that I cannot configure alias with ifconfig. Try to configure alias IP address with ifconfig changes default interface. It looks like a bug in the RTL8153 driver. $ ethtool -i enx00e04c68002f driver: r8152 version: v1.12.13 firmware-version: rtl8153b-2 v1 10/23/19 expansion-rom-version: bus-info: usb-0000:00:14.0-2 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no $ lsusb | grep 8153 Bus 002 Device 004: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter Steps to replicate: 1) Connect USB adapter to a LAN, I assume I received IP address 192.168.1.11 from DHCP server. 2) check with ifconfig what is IP address on interface enx00e04c68002f 3) define alias, 'sudo ifconfig enx00e04c68002f:33 192.168.33.11' 4) check with ifconfig the result I see that there is no new interface enx00e04c68002f:33 and that IP address on interface enx00e04c68002f was changed to 192.168.33.11. That is a bug! Expected behavior: Interface enx00e04c68002f will keep IP address assigned from DHCP server, like 192.168.1.11 New interface enx00e04c68002f:33 will be added with IP address 192.168.33.11 This report is for an older kernel and older Ubuntu distribution. I assume the bug is still in the newer kernel, this has to be retested... --- When I use this method on my WiFi interface (based on rtl8821ce), IP - alias works as expected. This point to an issue with r8152 driver... + alias works as expected. This points to an issue with r8152 driver... -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2098726 Title: Cannot set alias for USB NIC RTL8153 Status in linux package in Ubuntu: New Bug description: Linux Mint 20.3, based on Ubuntu 20.04 $ uname -a Linux mintbook 5.15.0-131-generic #141~20.04.1-Ubuntu SMP Thu Jan 16 18:38:51 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux I have an ASUS notebook and it has no RJ45 socket. I use USB Gigabit adapter based on RTL8153. So far it worked OK but I have found today that I cannot configure alias with ifconfig. Try to configure alias IP address with ifconfig changes default interface. It looks like a bug in the RTL8153 driver. $ ethtool -i enx00e04c68002f driver: r8152 version: v1.12.13 firmware-version: rtl8153b-2 v1 10/23/19 expansion-rom-version: bus-info: usb-0000:00:14.0-2 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no $ lsusb | grep 8153 Bus 002 Device 004: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter Steps to replicate: 1) Connect USB adapter to a LAN, I assume I received IP address 192.168.1.11 from DHCP server. 2) check with ifconfig what is IP address on interface enx00e04c68002f 3) define alias, 'sudo ifconfig enx00e04c68002f:33 192.168.33.11' 4) check with ifconfig the result I see that there is no new interface enx00e04c68002f:33 and that IP address on interface enx00e04c68002f was changed to 192.168.33.11. That is a bug! Expected behavior: Interface enx00e04c68002f will keep IP address assigned from DHCP server, like 192.168.1.11 New interface enx00e04c68002f:33 will be added with IP address 192.168.33.11 This report is for an older kernel and older Ubuntu distribution. I assume the bug is still in the newer kernel, this has to be retested... --- When I use this method on my WiFi interface (based on rtl8821ce), IP alias works as expected. This points to an issue with r8152 driver... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2098726/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
