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1answer
17 views

Keepalived configuration for VRRP

I am trying to understand if there is a relation between garp_master_delay and advert_int. In all the configurations I saw, advert_int was less than garp_master_delay. Is there any reason for this? ...
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0answers
160 views

Configuring VRRP with keepalived on two machines - interaction with proxy arp

Let's assume we have the following topology for our network: Host1------- Router1-------Router2----------Router3-------Host2 and we want to configure vrrp on the two hosts with keepalived so that ...
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0answers
389 views

keepalived - random re-elections

We have set up 3 servers running keepalived . We started noticing some random re-elections occurring which we can't explain so I cam here looking for advice. Here is our configuration: MASTER: ...
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1answer
62 views

Make keepalived send 0 priority when going to FAULT state

When stopping (service keepalived stop), keepalived does send the priority 0 adverts so the backup server takes over almost immediately. However, when it goes to fault mode (check script returns not ...
2
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1answer
316 views

Same VRRP group, multiple VLAN

Let's say a gateway has traffic between vlan 11 and 22: Gateway 1 -- FastEthernet 0/1.1 -- vlan 11 -- 192.168.11.1 Gateway 1 -- FastEthernet 0/2.2 -- vlan 22 -- 192.168.22.1 Gateway 2 -- ...
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0answers
348 views

keepalived config is not working correctly with virtualbox vms

my keepalived configuration is not working correctly. I have two virtual testing machines (virtualbox) to try some things out with keepalived/vrrp. Bot can ping each other flawlessly (internal ...
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1answer
668 views

Keepalived in ring architecture, or other better approach

I have three load balancer (LB1, LB2, LB3) and plan to use ring architecture for active-active setup, e.g. LB1 LB2 LB3 IP1 IP2 IP3 Idea as below: If LB1 failed, IP1 will be floated to ...
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1answer
1k views

How to configuration keepalived on Amazon EC2?

I rad some article. Keepalived over GRE tunnel for failover on VPS environment http://blog.killtheradio.net/how-tos/keepalived-haproxy-and-failover-on-the-cloud-or-any-vps-without-multicast/ but, I ...
0
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1answer
475 views

Can VRRP be used between 2 interfaces on the same node instead of between 2 nodes?

I have two 3750's joined together with a stackwise cable. I have a connection between one of the 3750's physical port and a gateway router. Last week one of the 3750's failed due to power issues, ...
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3answers
2k views

Linux Virtual IP Options

There seem to be lots of options in Linux to provide a virtual IP for failover between multiple hosts. Some that I have found are heartbeat, vrrpd, carp, and keepalived. In Linux I only have ...
2
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1answer
516 views

Multicast routing

I got two firewalls running Keepalived and working ok. I would like to pass the vrrp multicast traffic bethween a direct back to back link between those firewalls (that direct link is already used by ...
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vote
3answers
990 views

vrrp routing ping, but not other traffic

I've got two VMs running BusyBox (under ESX). These machines function only as load balancers. I'm using pen to do the load balancing on each machine which is working fine. But when I fire up vrrpd ...
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1answer
262 views

Clustering Gateway Computer

We use linux computer as our office gateway. It has two Internet connection and one LAN connection. My problem is that whenever there is any gateway software configuration problem or hardware problem, ...
7
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3answers
4k views

Prevent VRRP Master from becoming Master once it has failed

I have two machines (A and B, A is Master) running VRPP (from keepalived) for a Virtual IP. How can I prevent A from becoming Master again if it has failed and come back up (for whatever reason)? ...