how does two alteon L4 switch recognize determine host states?
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Posted by jshen.cad@gmail.com on July 1, 2006, 9:18 am
Please log in for more thread options I was assigned as administrator of a HP-UX host which has three NICs installed. Lan0 is built in LAN interface which has IP address 192.168.0.25.lan1 & lan2 are two 10/100Mbps ethernet card which has 10.10.10.12 & 10.10.10.13 configured. the host is connected to two Alteon L4 switches as below L4-switch-1 L4-switch-2 \ / \ / --------------- ----------- | | ----- port Lan1-------------- port Lan2 ---- | HP-UX B.11.11 U 9000/800 | -------------------------------------------------------- Problem we are facing ( make ports on L4 switches always on) 1) Interface lan2 must be disabled on host to make L4-switch-1 find 10.10.10.12 is OK 2) if lan2 is enabled, both L4 swtich marked both 10.10.10.12 and 10.10.10.13 FAILED 3) if lan1 is disabled, lan2 is enabled on the host, the two L4 switches consider 10.10.10.12 & 10.10.10.13 FAILED; 4) when lan1 & lan2 are both enabled on host, I noticed lan1's Ipkts & lan2's Opkts increase, but lan1's Opkts and Ian2'2 Ipkts does not change at all rar5> netstat -ni
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll lan2 1500 10.10.10.0 10.10.10.13 0 0 1353 0 0 lan1 1500 10.10.10.0 10.10.10.12 1922568 0 1918150 0 0 lan0 1500 192.168.1.0 192.168.1.25 59723842 0 66442227 0 18847 lo0 4136 127.0.0.0 127.0.0.1 50908 0 50908 0 0 rar5> netstat -ni
Name Mtu Network Address Ipkts Ierrs Opkts
Oerrs Coll lan2 1500 10.10.10.0 10.10.10.13 0 0 1359 0 0 lan1 1500 10.10.10.0 10.10.10.12 1922575 0 1918150 0 0 lan0 1500 192.168.1.0 192.168.1.25 59724686 0 66443172 0 18847 lo0 4136 127.0.0.0 127.0.0.1 50908 0 50908 0 0 rar5>
I'm very new to Alteon and HP-UX, I don't know what cause the problem? how does Alteon determine a IP is OK or FAILED? Is it possible for alteon's port fault? each word will be highly appreciated. Joe | ||||||||||
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