Black Box LR1102A-T1/E1 - Manual (Page 6)

Black Box LR11xx Series Router Configurations Guide
6
Box Security Gateways ..................................................................... 28
Example 3: Multiple IPSec Proposals: Tunnel Mode Between
Two Black Box Security Gateways
.................................................. 33
Example 4: IPSec remote access to corporate LAN using user
group method
.................................................................................... 35
Example 5: IPSec remote access to corporate LAN using mode
configuration method
........................................................................ 40
IPS EC S PECIFICATIONS ........................................................................ 47
IPSec Appendix .................................................................................. 47
Black Box IKE and IPSec Defaults .............................................. 48
IKE Defaults .................................................................................. 48
IPSec Defaults ............................................................................... 48
F ORWARDING IP T RAFFIC .................................................................... 51
IP Multiplexing ................................................................................. 51
Packet Forwarding Modes ............................................................. 51
Proxy ARP and Packet Forwarding .............................................. 51
Addressing in IP Multiplexing Networks ..................................... 52
Single Subnet ................................................................................ 53
Split Subnet ................................................................................... 53
Secondary Addressing – POP Only .............................................. 54
Secondary Addressing – 30 Bit ..................................................... 54
Secondary Addressing – 29 Bit ..................................................... 55
Pros and Cons of Different IP Addressing Schemes ..................... 55
Routing Considerations for IP Multiplexing ................................. 55
IP M ULTIPLEXING HDLC C ONFIGURATIONS .................................... 57
Connecting a Black Box Router to a Router/CSU via HDLC .......... 57
Configure the Black Box LR1104A at Site 2 ................................ 58
IP M ULTIPLEXING PPP AND MLPPP C ONFIGURATIONS .................. 59
Configuring Multiple PPP and MLPPP Bundles .............................. 59
Configure the Black Box LR1104A at the Main Site ................... 61
C ONFIGURING PPP, MLPPP, AND HDLC........................................... 63
Layer Two Configurations: PPP, MLPPP, and HDLC ..................... 63
MLPPP Configuration ................................................................... 64
Configure the Black Box LR1114A System at Site 1 ................... 64
PPP and MLPPP Configuration .................................................... 64
Configure the Black Box LR1104A System at the Main Site ....... 64
HDLC Configuration .................................................................... 64
Configure the Black Box LR1104A System at the Main Site ....... 64
C ONFIGURING F IREWALLS ................................................................... 65
Firewalls ............................................................................................ 65
Firewall Configuration Examples ..................................................... 66
Basic Firewall Configuration ........................................................ 66
Stopping DoS Attacks ................................................................... 73
Packet Reassembly ........................................................................ 74
NAT Configurations ......................................................................... 74