On ven.  7 juil. 12:21:00 2017, Sébastien 65 wrote:
> Je viens d'essayer UCARP sur une configuration toute neuve en debian 8
> et j'ai exactement le même problème...
> 
> J'ai je pense une utilisation très basique, besoin d'une IP qui
> bascule de deb1 vers Deb2 mais qui ne rebascule pas si l'une des
> machines revient UP. Pas de script à lancer en fonction de la bascule
> de la VIP...

Je ne connais pas tous les détails de l’implem linux, mais en tout cas
sous FreeBSD, à advbase et advskew égaux, personne ne se marche sur les
pieds :

J’ai deux machines :

root@budic:~ # ifconfig re1
re1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
        
options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE>
        ether 00:0d:b9:3a:24:b9
        inet 89.234.186.6 netmask 0xffffff80 broadcast 89.234.186.127 
        inet 89.234.186.1 netmask 0xffffffff broadcast 89.234.186.1 vhid 1 
        inet6 fe80::20d:b9ff:fe3a:24b9%re1 prefixlen 64 scopeid 0x2 
        inet6 2a00:5884::6 prefixlen 64 
        inet6 fe80::204:92:100:1%re1 prefixlen 64 scopeid 0x2 vhid 2 
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
        carp: BACKUP vhid 1 advbase 1 advskew 10
        carp: BACKUP vhid 2 advbase 1 advskew 10
root@nominoe:~ # ifconfig em1
em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
        
options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether 00:15:17:39:f0:1b
        inet 89.234.186.7 netmask 0xffffff80 broadcast 89.234.186.127 
        inet 89.234.186.1 netmask 0xffffffff broadcast 89.234.186.1 vhid 1 
        inet6 fe80::215:17ff:fe39:f01b%em1 prefixlen 64 scopeid 0x2 
        inet6 2a00:5884::1 prefixlen 64 
        inet6 fe80::204:92:100:1%em1 prefixlen 64 scopeid 0x2 vhid 2 
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
        carp: MASTER vhid 1 advbase 1 advskew 10
        carp: MASTER vhid 2 advbase 1 advskew 10

Et quand j’en passe une en master, l’autre reste en backup :

root@budic:~ # ifconfig re1 vhid 1 state MASTER
root@budic:~ # ifconfig re1
re1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
        
options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE>
        ether 00:0d:b9:3a:24:b9
        inet 89.234.186.6 netmask 0xffffff80 broadcast 89.234.186.127 
        inet 89.234.186.1 netmask 0xffffffff broadcast 89.234.186.1 vhid 1 
        inet6 fe80::20d:b9ff:fe3a:24b9%re1 prefixlen 64 scopeid 0x2 
        inet6 2a00:5884::6 prefixlen 64 
        inet6 fe80::204:92:100:1%re1 prefixlen 64 scopeid 0x2 vhid 2 
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
        carp: MASTER vhid 1 advbase 1 advskew 10
        carp: BACKUP vhid 2 advbase 1 advskew 10
root@nominoe:~ # ifconfig em1
em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
        
options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether 00:15:17:39:f0:1b
        inet 89.234.186.7 netmask 0xffffff80 broadcast 89.234.186.127 
        inet 89.234.186.1 netmask 0xffffffff broadcast 89.234.186.1 vhid 1 
        inet6 fe80::215:17ff:fe39:f01b%em1 prefixlen 64 scopeid 0x2 
        inet6 2a00:5884::1 prefixlen 64 
        inet6 fe80::204:92:100:1%em1 prefixlen 64 scopeid 0x2 vhid 2 
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
        carp: BACKUP vhid 1 advbase 1 advskew 10
        carp: MASTER vhid 2 advbase 1 advskew 10

-- 
alarig

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