由DHCP引起的Keepalived无法绑定VIP
一 故障描述我在台湾合作方给定的两台虚拟机上部署HAProxy+Keepalived负载均衡高可用方案。在配置完Keepalived后，重新启动Keepalived，Keepalived没有绑定VIP。
keepalived.conf的内容
LB1 Master
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! Configuration File for keepalived
global_defs {
notification_email {
admin@example.com
}
notification_email_from lb1@example.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LB1_MASTER
}
vrrp_script chk_haproxy {
script "killall -0 haproxy"
interval 2
weight 2
}
vrrp_instance VI_1 {
state MASTER
interface eth1
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.1.1.200/24 brd 10.1.1.255 dev eth1 label eth1:vip
}
track_script {
chk_haproxy
}
}
重新启动Keepalived查看日志
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Mar3 18:09:00 cv00300005248-1 Keepalived: Stopping Keepalived v1.2.15 (02/28,2015)
Mar3 18:09:00 cv00300005248-1 Keepalived: Starting Keepalived v1.2.15 (02/28,2015)
Mar3 18:09:00 cv00300005248-1 Keepalived: Starting Healthcheck child process, pid=20261
Mar3 18:09:00 cv00300005248-1 Keepalived: Starting VRRP child process, pid=20262
Mar3 18:09:00 cv00300005248-1 Keepalived_vrrp: Registering Kernel netlink reflector
Mar3 18:09:00 cv00300005248-1 Keepalived_vrrp: Registering Kernel netlink command channel
Mar3 18:09:00 cv00300005248-1 Keepalived_vrrp: Registering gratuitous ARP shared channel
Mar3 18:09:00 cv00300005248-1 Keepalived_healthcheckers: Registering Kernel netlink reflector
Mar3 18:09:00 cv00300005248-1 Keepalived_healthcheckers: Registering Kernel netlink command channel
Mar3 18:09:00 cv00300005248-1 Keepalived_healthcheckers: Configuration is using : 3924 Bytes
Mar3 18:09:00 cv00300005248-1 Keepalived_healthcheckers: Using LinkWatch kernel netlink reflector...
Mar3 18:09:00 cv00300005248-1 Keepalived_vrrp: Configuration is using : 55712 Bytes
Mar3 18:09:00 cv00300005248-1 Keepalived_vrrp: Using LinkWatch kernel netlink reflector...
Mar3 18:09:18 cv00300005248-1 kernel: __ratelimit: 1964 callbacks suppressed
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
Mar3 18:09:18 cv00300005248-1 kernel: Neighbour table overflow.
查看VIP绑定情况
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$ ifconfig eth1:ha
eth1:ha Link encap:EthernetHWaddr 00:16:3E:F2:37:6B
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
Interrupt:13
没有VIP绑定
二 排查过程
1）检查VIP的配置情况
向合作方确认提供的VIP的详细情况
IPADDR 10.1.1.200
NETMASK 255.255.255.0
GATEWAY 10.1.1.1
Brodcast10.1.1.255
页:
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