Nbt alg configuration example – H3C Technologies H3C SecBlade FW Cards User Manual
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Figure 25 Network diagram for SIP ALG configuration
2.
Configuration procedure
# Configure the address pool and ACL.
[Router] nat address-group 1 5.5.5.9 5.5.5.11
[Router] acl number 2001
[Router-acl-basic-2001] rule permit source 192.168.1.0 0.0.0.255
[Router-acl-basic-2001] rule deny
[Router-acl-basic-2001] quit
# Enable ALG for SIP.
[Router] alg sip
# Configure NAT.
[Router] interface ethernet 1/2
[Router-Ethernet1/2] nat outbound 2001 address-group 1
NBT ALG configuration example
1.
Network requirements
As shown in
, a company accesses the Internet through a device with NAT and ALG enabled.
The company provides NBT services to the outside. The inside network segment of the company is
192.168.1.0/24. Configure NAT and ALG to meet the following requirements:
•
Host B can access the WINS server and Host A with host names.
•
Host A uses 5.5.5.9 as its external IP address, and the WINS server uses 5.5.5.10 as its external IP
address.
Figure 26 Network diagram for NBT ALG configuration
2.
Configuration procedure
# Configure a static NAT entry.
[Router] nat static 192.168.1.3 5.5.5.9