aix7.1系统，系统已经打上最新补丁安装powerha7.1.2，已经打上最新sp4补丁。
同步时出错
ERROR: Multicast communication with node sapprd2 using mping failed.
Errors encountered verifying communications between nodes.
ERROR: Unable to communicate using multicast messages
查看/var/hacmp/clverify/ver_mping/ver_mping.log
setsockopt() failed while joining ipv4 multicast group in mping_multicast_join(): Can't assign r
equested address
/usr/sbin/mping version 1.1
Connecting using IPv4.
ck_mping: Running 'mping -r -v -c 5 -t 255 -a 228.0.1.10' on node sapprd1
ck_mping: Running 'mping -s -v -c 5 -t 255 -a 228.0.1.10' on the local node sapprd2
setsockopt() failed while joining ipv4 multicast group in mping_multicast_join(): Can't assign r
equested address
/usr/sbin/mping version 1.1
Connecting using IPv4.
ERROR: Multicast communication with node sapprd1 using mping failed
Errors encountered verifying communications between nodes. Wed Oct 22 13:19:03 CST 2014
在官方网站看到If you are running PowerHA SystemMirror 7.1.1, or later, you cannot create a cluster if the
mping command fails. If the
mping command fails, your network is not set up correctly for multicast communication. If so, review the documentation for your switches and routers to enable multicast communication.
http://www-01.ibm.com/support/knowledgecenter/SSPHQG_7.1.0/com.ibm.powerha.trgd/ha_trgd_test_multicast.htm
powerha7.1.1以后的版本要使用mping，需要交换机和路由器启动组播功能。
我问过网络工程师，他说交换机和路由器multicast都是默认开启的
但我用mping这个命令还是报错。ha一直同步不了。
# mping -R -s -c 5
mping version 1.1
setsockopt() failed while joining ipv4 multicast group in mping_multicast_join(): Can't assign requested address
请问这个组播地址如何配置？是在双机上配置还是交换机路由器配置？
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