在Oracle 11.2.0.2版本之前，如果使用了OS级别的心跳网卡绑定，那么Oracle仍然以OS绑定的为准。从11.2.0.2开始，如果没有在OS层面进行心跳冗余的配置，那么Oracle自己的HAIP就启用了。所以你虽然设置的172.168.1.198，然而实际上Oracle使用是169.254这个网段
SQL> select name,ip_address from v$cluster_interconnects;
NAME IP_ADDRESS
--------------- ----------------
eth1:1 169.254.177.221
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
[oracle@hp580-4 ~]$ cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
10.98.32.84 hp580-4 hp580-4.oracle.com
10.98.32.231 hp580-4v
10.98.32.85 hp580-5 hp580-5.oracle.com
10.98.32.232 hp580-5v
10.98.32.230 hp580-cluster hp580-cluster-scan
10.98.32.233 hp580-cluster hp580-cluster-scan
10.98.32.234 hp580-cluster hp580-cluster-scan
172.168.1.198 hp580-4p
172.168.1.199 hp580-5p
[oracle@hp580-4 ~]$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:68
inet addr:10.98.32.84 Bcast:10.98.32.255 Mask:255.255.255.0
inet6 addr: fe80::7ae3:b5ff:fe0c:6468/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:87071251 errors:0 dropped:0 overruns:0 frame:0
TX packets:11316802 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8334345579 (7.7 GiB) TX bytes:2485877014 (2.3 GiB)
Interrupt:59
eth0:1 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:68
inet addr:10.98.32.231 Bcast:10.98.32.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:59
eth0:3 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:68
inet addr:10.98.32.234 Bcast:10.98.32.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:59
eth0:4 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:68
inet addr:10.98.32.233 Bcast:10.98.32.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:59
eth1 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:69
inet addr:172.168.1.198 Bcast:172.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::7ae3:b5ff:fe0c:6469/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:966844155 errors:0 dropped:0 overruns:0 frame:0
TX packets:704616475 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:719808699459 (670.3 GiB) TX bytes:472583462024 (440.1 GiB)
Interrupt:63
eth1:1 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:69
inet addr:169.254.177.221 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:63
eth2 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:6A
inet addr:192.168.1.201 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::7ae3:b5ff:fe0c:646a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2546669659 errors:0 dropped:0 overruns:0 frame:0
TX packets:3620799812 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12964894596148 (11.7 TiB) TX bytes:3544222403355 (3.2 TiB)
Interrupt:67
eth3 Link encap:Ethernet HWaddr 78:E3:B5:0C:64:6B
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:71
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:166656752 errors:0 dropped:0 overruns:0 frame:0
TX packets:166656752 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:119794044906 (111.5 GiB) TX bytes:119794044906 (111.5 GiB)
[oracle@hp580-4 ~]$