Default Device Settings

This section describes the default settings and operation of an SSG 20 device.

Table 5 shows the default zone bindings for ports on the devices.

Table 5: Default Physical Interface to Zone Bindings

Port Label

Interface

Zone

 

 

 

10/100 Ethernet ports:

 

 

 

 

 

0/0

ethernet0/0

Untrust

 

 

 

0/1

ethernet0/1

DMZ

 

 

 

0/2

bgroup0 (ethernet0/2)

Trust

 

 

 

0/3

bgroup0 (ethernet0/3)

Trust

 

 

 

0/4

bgroup0 (ethernet0/4)

Trust

 

 

 

AUX

serial0/0

Null

 

 

WAN mini PIM ports (x = mini PIM slot 1 or 2):

 

 

 

 

ADSL2/2+ (Annex A)

adsl(x/0)

Untrust

 

 

 

ADSL2/2+ (Annex B)

adsl(x/0)

Untrust

 

 

 

T1

serial(x/0)

Untrust

 

 

 

E1

serial(x/0)

Untrust

 

 

 

ISDN

bri(x/0)

Untrust

 

 

 

V.92

serial(x/0)

Null

 

 

 

A bridge group (bgroup) is designed to allow network users to switch between wired and wireless traffic without having to reconfigure or reboot the device. By default, the ethernet0/2 — ethernet0/4 interfaces, labeled as ports 0/2 — 0/4 on the device, are grouped together as the bgroup0 interface, have the IP address 192.168.1.1/24, and are bound to the Trust security zone. You can configure up to four bgroups.

If you want to set an Ethernet or a wireless interface into a bgroup, you must first make sure that the Ethernet or wireless interface is in the Null security zone. Unsetting the Ethernet or wireless interface that is in a bgroup places the interface in the Null security zone. Once assigned to the Null security zone, the Ethernet interface can be bound to a security zone and assigned a different IP address.

Default Device Settings „ 31

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Juniper Networks SSG 20 manual Default Device Settings, Default Physical Interface to Zone Bindings Port Label, Dmz