3com MSR 20-20 참조 매뉴얼

Use the peer command to set the subnet type of the peer gateway for IKE 
negotiation.

Use the undo peer command to restore the default.

By default, the subnet is a single one. You can use this command to enable 
interoperability with a Netscreen device.

# Set the subnet type of the peer gateway to multiple.

<Sysname> system-view

[Sysname] ike peer xhy

[Sysname-ike-peer-xhy] peer multi-subnet 

pre-shared-key key

IKE peer view

key: Pre-shared key, a case sensitive string of 1 to 128 characters.

Use the pre-shared-key command to configure the pre-shared key to be used in 
IKE negotiation.

Use the undo pre-shared-key command to remove the configuration.

# Set the pre-shared key used in IKE negotiation to abcde.

<Sysname> system-view

[Sysname] ike peer peer1

[Sysname-ike-peer-peer1] pre-shared-key abcde 

remote-address low-ip-address [ high-ip-address ]

IKE peer view

low-ip-address: Remote IP address of the IPSec tunnel. It is the lowest address in 
the address range if you want to specify a range of addresses.

high-ip-address: Highest address in the address range if you want to specify a 
ragne of addresses.