[FUG-BR] CARP - Alta disponibilidade de ips /30

Alisson alissongoncalves em bsd.com.br
Sexta Abril 13 15:25:17 BRT 2012 

Boa tarde Luiz Gustavo,

eu tenho uma interface em outra rede:

ifconfig_em0="192.168.50.46/25"

Em 13 de abril de 2012 09:32, Alisson <alissongoncalves em bsd.com.br>escreveu:

> ok..
>
> eu nao estava entendendo como fazer as configurações no rc.conf
> ai ficou assim
>
>
> MASTER
> ifconfig_em1="up"
>
> /usr/local/etc/freevrrpd.conf
>
> [VRID]
> serverid = 1
> interface = em1
> priority = 101
> addr = 192.168.50.49/30
> password = vrid1
>
>
> SLAVE
> ifconfig_em1="up"
>
> /usr/local/etc/freevrrpd.conf
>
> [VRID]
> serverid = 1
> interface = em1
> priority = 100
> addr = 192.168.50.49/30
> password = vrid1
>
>
> /var/log/messages
>
> Apr 12 18:09:45 master freevrrpd[2024]: launching daemon in background mode
> Apr 12 18:09:45 master freevrrpd[2025]: initializing threads and all VRID
> Apr 12 18:09:45 master freevrrpd[2025]: reading configuration file
> /usr/local/etc/freevrrpd.conf
> Apr 12 18:09:45 master freevrrpd[2025]: no IP address is configured on the
> real interface em1
> Apr 12 18:09:45 master freevrrpd[2025]: cannot join multicast vrrp group
> without a real ip adress on em1
> Apr 12 18:09:45 master freevrrpd[2025]: choose an IP address that is not
> used on any VRIDs and restart
> Apr 12 18:09:45 master freevrrpd[2025]: you can set a private address for
> announcing VRRP packets (eg: 192.168.0.1/24)
> Apr 12 18:09:45 master freevrrpd[2025]: exiting...
>
>
> Em 12 de abril de 2012 19:15, Alisson <alissongoncalves em bsd.com.br>escreveu:
>
> ok..
>>
>> eu nao estava entendendo como fazer as configurações no rc.conf
>> ai ficou assim
>>
>>
>> MASTER
>> ifconfig_em1="up"
>>
>> /usr/local/etc/freevrrpd.conf
>>
>> [VRID]
>> serverid = 1
>> interface = em1
>> priority = 101
>> addr = 192.168.50.49/30
>> password = vrid1
>>
>>
>> SLAVE
>> ifconfig_em1="up"
>>
>> /usr/local/etc/freevrrpd.conf
>>
>> [VRID]
>> serverid = 1
>> interface = em1
>> priority = 100
>> addr = 192.168.50.49/30
>> password = vrid1
>>
>>
>> /var/log/messages
>>
>> Apr 12 18:09:45 master freevrrpd[2024]: launching daemon in background
>> mode
>> Apr 12 18:09:45 master freevrrpd[2025]: initializing threads and all VRID
>> Apr 12 18:09:45 master freevrrpd[2025]: reading configuration file
>> /usr/local/etc/freevrrpd.conf
>> Apr 12 18:09:45 master freevrrpd[2025]: no IP address is configured on
>> the real interface em1
>> Apr 12 18:09:45 master freevrrpd[2025]: cannot join multicast vrrp group
>> without a real ip adress on em1
>> Apr 12 18:09:45 master freevrrpd[2025]: choose an IP address that is not
>> used on any VRIDs and restart
>> Apr 12 18:09:45 master freevrrpd[2025]: you can set a private address for
>> announcing VRRP packets (eg: 192.168.0.1/24)
>> Apr 12 18:09:45 master freevrrpd[2025]: exiting...
>>
>>
>>
>> Em 12 de abril de 2012 13:15, Alisson <alissongoncalves em bsd.com.br>escreveu:
>>
>>  seguindo a orientação de voces... fiz algumas alterações e instalei o
>>> freevrrp para os /30
>>>
>>> veja como ficou no rc.conf do MASTER
>>>
>>> ipv4_addrs_em0="192.168.1.44/25"
>>> ipv4_addrs_em1="192.168.2.48/30"
>>>
>>> /usr/local/etc/freevrrpd.conf
>>>
>>> #MASTER
>>> [VRID]
>>> serverid = 1
>>> interface = em1
>>> priority = 101
>>> addr = 192.168.2.49/30
>>> password = vrid1
>>>
>>> veja como ficou no rc.conf do SLAVE
>>>
>>> ipv4_addrs_em0="192.168.1.45/25"
>>> ipv4_addrs_em1="192.168.2.48/30"
>>>
>>> /usr/local/etc/freevrrpd.conf
>>>
>>> #SLAVE
>>> [VRID]
>>> serverid = 1
>>> interface = em1
>>> priority = 100
>>> addr = 192.168.2.49/30
>>> password = vrid1
>>>
>>> e veja o erro do messages
>>>
>>> Apr 12 12:10:55 master freevrrpd[4490]: initializing threads and all VRID
>>> Apr 12 12:10:55 master freevrrpd[4490]: reading configuration file
>>> /usr/local/etc/freevrrpd.conf
>>> Apr 12 12:10:55 master freevrrpd[4490]: cannot create an eiface/ether
>>> netgraph interface: Address already in use
>>> Apr 12 12:10:55 master kernel: ngeth5: link state changed to UP
>>> Apr 12 12:10:55 master kernel: ngeth5: link state changed to DOWN
>>> Apr 12 12:10:55 master freevrrpd[4490]: ng_ether.ko is probably not
>>> loaded, use kldload ng_ether.ko before running freevrrpd
>>> Apr 12 12:10:55 master freevrrpd[4490]: cannot create a virtual
>>> interface via netgraph: Address already in use
>>> Apr 12 12:10:55 master freevrrpd[4490]: check that ng_socket, ng_ether,
>>> ng_eiface and ng_bridge are loaded
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Em 11 de abril de 2012 10:27, Luiz Gustavo <
>>> luizgustavo em luizgustavo.pro.br> escreveu:
>>>
>>> On Wed, 11 Apr 2012 09:59:34 -0300
>>>> Alisson <alissongoncalves em bsd.com.br> wrote:
>>>>
>>>> > isso que eu temia...
>>>> >
>>>> > entao quer dizer que se voce entrega um /30 para fazer um ponto a
>>>> ponto
>>>> > para um cliente
>>>> >
>>>> > voce tera que entregar um /29
>>>> >
>>>> > nao tem outro jeito no FreeBSD?
>>>> >
>>>>
>>>> [root em desktop] /usr/ports# cat net/freevrrpd/pkg-descr
>>>> freevrrpd is a VRRP (Virtual Router Redundancy Protocol) implementation
>>>> daemon under FreeBSD, NetBSD and OpenBSD.
>>>> This daemon has been rewritten from scratch and is not based on
>>>> existing projects.  In this second public release, you can find:
>>>>
>>>>       * A daemon RFC 2338 Compliant adapted on FreeBSD systems
>>>>       * Implementation of Virtual Adresses
>>>>       * Support for multiples VRID
>>>>       * Master announce state by sending multicast packets via BPF
>>>>       * Changing routes and IP in 3 seconds
>>>>       * Doing gratuitous ARP requests to clean the cache of all hosts
>>>>       * Election between different slave servers
>>>>       * Same host can be Slave and Master at the same time
>>>>       * Automatic Downgrade to Slave if a Master is up again
>>>>       * Anti-Address Conflict system
>>>>       * Multi-threaded vrrp daemon
>>>>       * Plain text password authentication
>>>>       * Using now only one BPF device for all VRID
>>>>       * Support netmask for Virtual IP addresses
>>>>       * Support for monitored circuit and dependances between VRIDs
>>>>       * Support for VLAN pseudo devices under *BSD
>>>>
>>>> --
>>>> ---
>>>> Luiz Gustavo Costa (Powered by BSD)
>>>> *+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+*+
>>>> mundoUnix - Consultoria em Software Livre
>>>> http://www.mundounix.com.br
>>>> ICQ: 2890831 / MSN: contato em mundounix.com.br
>>>> Tel: 55 (21) 4063-7110 / 8194-1905 / (11) 4063-0407
>>>> Blog: http://www.luizgustavo.pro.br
>>>>
>>>
>>>
>>
>

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