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1answer
26 views

Active CARP network loop

I have to setup, no matter what, a cluster of 3 active OpenBSD 5.5 with CARP on 3 separate ESXi 5.5 hosts. I think I'm close to the end but I have this message in /var/log/messages : carp0: replay ...
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1answer
157 views

CARP Virtual IP does not ping in virtualized environment

We have three physical machines with SmartOS on them in a LAN. Two of them, 10.40.0.30 and 10.40.0.240 are hypervisors with two pfSense-based virtualized gateways on them. These gateways have ...
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2answers
59 views

pfsense CARP - wan failure on firewall

I have recently configured 2 firewall (on 2 DELL PowerEdge R210II with ESXI 5.1) with pfsense. We have several LANs and 2 WANs. Everything is running fine but i have a strange behavior: i can access ...
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0answers
209 views

Configure SSH while using UCARP for failover

I have SSH installed, and UCARP configured to fail over a virtual IP when one of the two boxes goes down. The problem that I'm having is when a VM is running, and the ucarp interface is active ...
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0answers
99 views

how to carp two interfaces on same node?

I have this CentOS machine with 2 interfaces. eth0--> br0 (.10) eth1--> br1 (.11) Although part of the same network, each interface is being fed from a different switch. I use each bridge in ...
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2answers
1k views

Does two pfsense + CARP necessarily require two WAN IP?

I am looking to setup CARP following this guide across two pfSense firewalls. I have setup CARP before on a WAN link with a big IP space, so allocating a distinct WAN IP per each device (as shown in ...
3
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2answers
1k views

UCARP: prevent the original master from taking over the VIP when it comes back after failure?

Keepalived can do this by combining the nopreempt option and the BACKUP state on the both nodes: Prevent VRRP Master from becoming Master once it has failed Prevent master to fall back to master ...
2
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1answer
831 views

Physical network setup for pfsense w/ CARP for redundant firewalls

So I'm looking at this diagram: http://doc.pfsense.org/index.php/Configuring_pfSense_Hardware_Redundancy_(CARP) Does this assume that the "DSL Router" at the top of the drawing has two physical RJ45 ...
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0answers
243 views

Carp kernel module missing from FreeNAS?

My FreeBSD knowledge is some what limited. Im looking to have a failover FreeNAS systsem. Im folllowing this, example here, but is doesnt look like the Carp module is available. If that is true, ...
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0answers
857 views

Redundant Firewalls And Switches HSRP and CARP

I currently have planned 2 x uplinks (HSRP Active/Standby) 2 x pfsense firewalls (Carp Enabled) 2 x layer2 switches Please criticize or offer help on the correct way to do this. I have a feeling im ...
0
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1answer
288 views

openbsd carp with multiple external vip's

Is there any way to setup multiple carp vip's without creating a separate hostname.if file for each address? Our colo has provided us with a /25 external network. Three addresses from this range are ...
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1answer
1k views

Heartbeat compared to CARP?

Provided I only require virtual IP (migrated between servers), is there any sense in using heartbeat, or CARP is enough?
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3answers
727 views

*nix CARP or VMWare Fault Tolerance?

We're experimenting with what VMWare called a "Fully Collapsed DMZ" on blade centre. Basically our DMZ goes straight into a vSwitch and all the security appliances are virtualised. I've spent days ...
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1answer
395 views

IPTables INPUT and ucarp

What rule(s) are needed to allow ucarp traffic on IPTables?
1
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2answers
3k views

CARP: two machines think they're the master, but only on one interface

I have two machines, each configured identically as a firewall/load balancer for a busy website. I have set them up with CARP and pfsync on both the internal and external interfaces. The internal ...
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2answers
5k views

redundant openvpn configuration

I have two openbsd nat/firewall boxes with carp for failover / high availability purposes. What would be the best possible practice to ensure that OpenVPN, which I plan on running on these boxes, ...
0
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1answer
327 views

OpenLDAP running on OpenBSD + CARP setup

I'm setting up OpenLDAP on a router/firewall that's running OpenBSD + CARP + pfsync. Curious enough, I'm wondering what's my best approach to making sure the setup stays redundant between the two ...