Dear Simon,
every second IP-address is unwanted. We restarted eno4:
nmcli con down eno4; nmcli con up eno4
and the second address vanishes. Then after a few ours, the second ip address reappears.
This is the config-file of eno2:
# cat ifcfg-eno2 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eno2 UUID=cb6fcb54-be52-4ab6-8324-88091a0ea1a0 DEVICE=eno2 ONBOOT=yes IPV6_PRIVACY=no IPADDR=10.10.100.205 PREFIX=24 GATEWAY=10.10.100.254 DNS1=10.10.100.1 DNS2=10.10.100.2 DOMAIN=ourDomain
I am not aware of this setting:
scope global secondary dynamic
So maybe you are able to find it in the nmcli output:
# nmcli con edit eno2
===| nmcli interactive connection editor |===
Editing existing '802-3-ethernet' connection: 'eno2'
nmcli> p =============================================================================== Connection profile details (eno2) =============================================================================== connection.id: eno2 connection.uuid: cb6fcb54-be52-4ab6-8324-88091a0ea1a0 connection.stable-id: -- connection.type: 802-3-ethernet connection.interface-name: eno2 connection.autoconnect: yes connection.autoconnect-priority: 0 connection.autoconnect-retries: -1 (default) connection.multi-connect: 0 (default) connection.auth-retries: -1 connection.timestamp: 1600780222 connection.read-only: no connection.permissions: -- connection.zone: -- connection.master: -- connection.slave-type: -- connection.autoconnect-slaves: -1 (default) connection.secondaries: -- connection.gateway-ping-timeout: 0 connection.metered: unknown connection.lldp: default connection.mdns: -1 (default) connection.llmnr: -1 (default) connection.wait-device-timeout: -1 ------------------------------------------------------------------------------- 802-3-ethernet.port: -- 802-3-ethernet.speed: 0 802-3-ethernet.duplex: -- 802-3-ethernet.auto-negotiate: no 802-3-ethernet.mac-address: -- 802-3-ethernet.cloned-mac-address: -- 802-3-ethernet.generate-mac-address-mask:-- 802-3-ethernet.mac-address-blacklist: -- 802-3-ethernet.mtu: auto 802-3-ethernet.s390-subchannels: -- 802-3-ethernet.s390-nettype: -- 802-3-ethernet.s390-options: -- 802-3-ethernet.wake-on-lan: default 802-3-ethernet.wake-on-lan-password: -- ------------------------------------------------------------------------------- ipv4.method: manual ipv4.dns: 10.10.100.1,10.10.100.2 ipv4.dns-search: ourDomain ipv4.dns-options: -- ipv4.dns-priority: 0 ipv4.addresses: 10.10.100.205/24 ipv4.gateway: 10.10.100.254 ipv4.routes: -- ipv4.route-metric: -1 ipv4.route-table: 0 (unspec) ipv4.routing-rules: -- ipv4.ignore-auto-routes: no ipv4.ignore-auto-dns: no ipv4.dhcp-client-id: -- ipv4.dhcp-iaid: -- ipv4.dhcp-timeout: 0 (default) ipv4.dhcp-send-hostname: yes ipv4.dhcp-hostname: -- ipv4.dhcp-fqdn: -- ipv4.dhcp-hostname-flags: 0x0 (none) ipv4.never-default: no ipv4.may-fail: no ipv4.dad-timeout: -1 (default) ------------------------------------------------------------------------------- ipv6.method: ignore ipv6.dns: -- ipv6.dns-search: -- ipv6.dns-options: -- ipv6.dns-priority: 0 ipv6.addresses: -- ipv6.gateway: -- ipv6.routes: -- ipv6.route-metric: -1 ipv6.route-table: 0 (unspec) ipv6.routing-rules: -- ipv6.ignore-auto-routes: no ipv6.ignore-auto-dns: no ipv6.never-default: no ipv6.may-fail: yes ipv6.ip6-privacy: 0 (disabled) ipv6.addr-gen-mode: stable-privacy ipv6.ra-timeout: 0 (default) ipv6.dhcp-duid: -- ipv6.dhcp-iaid: -- ipv6.dhcp-timeout: 0 (default) ipv6.dhcp-send-hostname: yes ipv6.dhcp-hostname: -- ipv6.dhcp-hostname-flags: 0x0 (none) ipv6.token: -- ------------------------------------------------------------------------------- proxy.method: none proxy.browser-only: no proxy.pac-url: -- proxy.pac-script: -- ------------------------------------------------------------------------------- nmcli>
Felix
On 22/09/2020 14:35, Simon Matter wrote:
Dear Simon,
And can you diff the config of eno1 and eno4.
# pwd /etc/sysconfig/network-scripts
Okay, nothing to find here.
What about eno2, you also have two IP addresses there and even in the same subnet, is this wanted or not? Can the second address of eno2 be found in the ifcfg file?
Both eno2 and eno4 have "scope global secondary dynamic" with the second address and it doesn't seem to come from the base configuration.
Simon
# diff -u ifcfg-eno1 ifcfg-eno4 --- ifcfg-eno1 2020-09-21 17:23:25.576672703 +0200 +++ ifcfg-eno4 2020-09-22 07:18:43.160532532 +0200 @@ -3,15 +3,20 @@ BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=no -IPV4_FAILURE_FATAL=yes -IPV6INIT=no -IPV6_AUTOCONF=no +IPV4_FAILURE_FATAL=no +IPV6INIT=yes +IPV6_AUTOCONF=yes IPV6_DEFROUTE=no IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy -NAME=eno1 -UUID=1e382037-fec9-493d-a4f2-ace7d73a1e7b -DEVICE=eno1 +NAME=eno4 +UUID=dbd95c24-1ed7-4292-8dba-3934bd1476a0 +DEVICE=eno4 ONBOOT=yes -IPADDR=192.168.1.90 +IPADDR=192.168.2.98 PREFIX=24 +DNS1=10.10.100.1 +DNS2=10.10.100.2 +#DNS3=8.8.8.8 +PEERDNS=no +PEERROUTES=no
Can you show the config of eno4?
# cat ifcfg-eno4 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=no IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=no IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eno4 UUID=dbd95c24-1ed7-4292-8dba-3934bd1476a0 DEVICE=eno4 ONBOOT=yes IPADDR=192.168.2.98 PREFIX=24 DNS1=10.10.100.1 DNS2=10.10.100.2 #DNS3=8.8.8.8 PEERDNS=no PEERROUTES=no
Regards,
Felix
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