Symantec 360R Administration Guide - Page 48

Disabling dynamic DNS, Configuring routing, Enabling dynamic routing

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48 Configuring a connection to the outside network Configuring routing ■ On the Dynamic DNS tab, under Service Type, in the WAN Port dropdown list, select the WAN port for which you are configuring TZO. ■ Click Update. Disabling dynamic DNS You can disable dynamic DNS if you are hosting your own domain. On model 360 or 360R, you can disable dynamic DNS for both WAN ports. To disable dynamic DNS See "Dynamic DNS tab field descriptions" on page 171. 1 In the SGMI, in the left pane, click WAN/ISP. 2 For model 320, on the Dynamic DNS tab, under Service Type, click Disable. 3 For model 360 or 360R, do the following: ■ On the Dynamic DNS tab, under Service Type, in the WAN Port dropdown list, select the WAN port to disable. ■ Click Disable. 4 Click Save. Configuring routing If you install Symantec Gateway Security 300 Series appliances on a network with more than one directly connected router, you must specify to which router to send traffic. The appliance supports two types of routing: dynamic and static. Dynamic routing chooses the best route for packets and sends the packets to the appropriate router. Static routing sends packets to the router you specify. Routing information is maintained in a routing table. Dynamic routing is administered using the RIP v2 protocol. When it is enabled, the appliance listens and sends RIP requests on both the internal (LAN) and external (WAN) interfaces. RIP v2 updates the routing table based on information from untrusted sources, so you should only use dynamic routing for intranet or department gateways where you can rely on trusted routing updates. Routing helps the flow of traffic when you have multiple routers on a network. Configure dynamic or static routing to fit your needs. Enabling dynamic routing You do not need routing information to use dynamic routing.

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48
Configuring a connection to the outside network
Configuring routing
■
On the Dynamic DNS tab, under Service Type, in the WAN Port drop-
down list, select the WAN port for which you are configuring TZO.
■
Click
Update
.
Disabling dynamic DNS
You can disable dynamic DNS if you are hosting your own domain. On model 360
or 360R, you can disable dynamic DNS for both WAN ports.
To disable dynamic DNS
See
“Dynamic DNS tab field descriptions”
on page 171.
1
In the SGMI, in the left pane, click
WAN/ISP
.
2
For model 320, on the Dynamic DNS tab, under Service Type, click
Disable
.
3
For model 360 or 360R, do the following:
■
On the Dynamic DNS tab, under Service Type, in the WAN Port drop-
down list, select the WAN port to disable.
■
Click
Disable
.
4
Click
Save
.
Configuring routing
If you install Symantec Gateway Security 300 Series appliances on a network
with more than one directly connected router, you must specify to which router
to send traffic. The appliance supports two types of routing: dynamic and static.
Dynamic routing chooses the best route for packets and sends the packets to the
appropriate router. Static routing sends packets to the router you specify.
Routing information is maintained in a routing table.
Dynamic routing is administered using the RIP v2 protocol. When it is enabled,
the appliance listens and sends RIP requests on both the internal (LAN) and
external (WAN) interfaces. RIP v2 updates the routing table based on
information from untrusted sources, so you should only use dynamic routing for
intranet or department gateways where you can rely on trusted routing updates.
Routing helps the flow of traffic when you have multiple routers on a network.
Configure dynamic or static routing to fit your needs.
Enabling dynamic routing
You do not need routing information to use dynamic routing.