Coyote Point Systems Equalizer Especificaciones descargar pdf (Pagina 92)

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Network Configuration

Outbound NAT allows the administrator to associate two subnets together using the outbound_nat parameter. This

parameter is configured on the internal network, and is set to one of the Equalizer IP addresses of the external

network.

eqcli > vlan internal subnet net outbound_nat 10.0.0.68 eqcli: 12000287:

Operation successful

This command can be read as "when sending packets from the internal network to any network which is reached

through the external network, use the IP address 10.0.0.68 instead of the original source IP address of the packet".

Two additional features must be configured before Outbound NAT will function properly.

First, because the packets are still coming from the internal network, source routing for this network must be

adjusted to really use the gateway of the external network:

eqcli > vlan internal subnet net default_route 10.0.0.254 eqcli: 12000287:

Operation successful

Second, Outbound NAT means that now we are taking packets from the internal network and sending them out of

the external network. This means that the packets are routed, and we need to enable permissions between the

networks:

eqcli > vlan internal subnet net permit external:net eqcli: 12000287:

Operation successful

eqcli > vlan external subnet net permit internal:net eqcli: 12000287: Operation

successful

Note that the permissions need to be set on both sides - the internal network is configured to allow traffic from the

external network, and the external network is configured to allow traffic from the internal network.

Now we can analyze the changes to the running configuration that we have made. First, we enabled Outbound

NAT:

IP NAT Rules:

List of active MAP/Redirect filters:

map wm0 192.168.211.0/24 -> 10.0.0.68/32 proxy port ftp ftp/tcp

map wm0 192.168.211.0/24 -> 10.0.0.68/32 portmap tcp/udp auto

map wm0 192.168.211.0/24 -> 10.0.0.68/32

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Coyote Point Systems Equalizer Especificaciones Pagina 92

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