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

Alisson alissongoncalves em bsd.com.br
Terça Abril 17 16:53:12 BRT 2012 

pessoal.

voces tem alguma configuração do freevrrpd de um servidor master e um
servidor slave?

dessa vez ao iniciar o freevrrpd todas as interfaces ficaram caindo,
parecia algum loop

e aparecia essa mensagem
interface is faulty deactivated from vrrp vrid


Em 13 de abril de 2012 15:25, Alisson <alissongoncalves em bsd.com.br>escreveu:

> 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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