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тАО04-14-2010 01:04 AM
тАО04-14-2010 01:04 AM
2 LAN card interfaces in HP-Ux
we added two new LAN card interface LAN4 and LAN 5
LAN 5 is configured properly with default gateway and its pingable
but we have problem with LAN 4 connecting to default gateway
#netstat -rn
Routing tables
Destination Gateway Flags Refs Interface Pmtu
127.0.0.1 127.0.0.1 UH 0 lo0 4136
172.20.41.68 172.20.41.68 UH 0 lan3 4136
192.168.20.1 192.168.20.1 UH 0 lan4 4136
192.168.20.2 192.168.20.2 UH 0 lan5 4136
172.20.41.64 172.20.41.68 U 2 lan3 1500
192.168.20.0 192.168.20.2 U 2 lan5 1500
192.168.20.0 192.168.20.1 U 2 lan4 1500
127.0.0.0 127.0.0.1 U 0 lo0 4136
192.168.0.0 192.168.20.254 UG 0 lan5 1500
default 172.20.41.65 UG 0 lan3 1500
I already configured the static route with LAN5 interface.
LAN 5 is configured properly with default gateway and its pingable
but we have problem with LAN 4 connecting to default gateway
#netstat -rn
Routing tables
Destination Gateway Flags Refs Interface Pmtu
127.0.0.1 127.0.0.1 UH 0 lo0 4136
172.20.41.68 172.20.41.68 UH 0 lan3 4136
192.168.20.1 192.168.20.1 UH 0 lan4 4136
192.168.20.2 192.168.20.2 UH 0 lan5 4136
172.20.41.64 172.20.41.68 U 2 lan3 1500
192.168.20.0 192.168.20.2 U 2 lan5 1500
192.168.20.0 192.168.20.1 U 2 lan4 1500
127.0.0.0 127.0.0.1 U 0 lo0 4136
192.168.0.0 192.168.20.254 UG 0 lan5 1500
default 172.20.41.65 UG 0 lan3 1500
I already configured the static route with LAN5 interface.
2 REPLIES 2
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тАО04-14-2010 01:30 AM
тАО04-14-2010 01:30 AM
Re: 2 LAN card interfaces in HP-Ux
Hi,
Can you post lanscan output.
Try to re-configure from SAM
Suraj
Can you post lanscan output.
Try to re-configure from SAM
Suraj
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тАО04-14-2010 01:58 AM
тАО04-14-2010 01:58 AM
Re: 2 LAN card interfaces in HP-Ux
By their IP addresses, it looks like your lan4 and lan5 are connected to the same IP segment.
Using two physical LAN interfaces and IP addresses to connect to a single network segment is not a recommended configuration.
If you want two physical interfaces for extra capacity, use APA to join them together into a single aggregate interface, then assign the IP address to the aggregate.
If you want two IP addresses, use IP aliases on a single LAN interface (which may be the aggregate interface produced by APA).
This document might be useful in understanding how HP-UX works with multiple NICs:
http://mayoxide.com/presentations/Understanding_hpux_routing.pdf
MK
Using two physical LAN interfaces and IP addresses to connect to a single network segment is not a recommended configuration.
If you want two physical interfaces for extra capacity, use APA to join them together into a single aggregate interface, then assign the IP address to the aggregate.
If you want two IP addresses, use IP aliases on a single LAN interface (which may be the aggregate interface produced by APA).
This document might be useful in understanding how HP-UX works with multiple NICs:
http://mayoxide.com/presentations/Understanding_hpux_routing.pdf
MK
MK
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