Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual download pdf (Page 25)

14 ServerIron ADX Firewall Load Balancing Guide

53-1002436-01

Multizone FWLB topology

DRAFT: BROCADE CONFIDENTIAL

Multizone FWLB topology

NOTE

Multizone FWLB topology is only available for IPv4 address formats.

Figure 4 shows an example of Multizone basic FWLB.

FIGURE 4 Multizone basic FWLB

Figure 5 shows an example of Multizone HA FWLB.

External Router

Internal Router

SI-A

SI-B

SI-C

Layer 3

Firewall-1

Layer 3

Firewall-2

DMZ Router

Zone 3Zone 2

Zone 1

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 187 188

ServerIron ADX 1
Document History 2
Contents 3
About This Document 8
Document conventions 9
Notice to the reader 10
Related publications 11
ServerIron FWLB Overview 12
Firewall environments 14
Load balancing paths 15
Firewall selection 17
Hashing mechanism 17
Stateful FWLB 18
Health checks 18
Path health checks 19
Application health checks 19
Firewall health check debug 21
Basic FWLB topology 22
HA FWLB topology 23
Failover 24
Router paths 24
Multizone FWLB topology 25
FWLB configuration limits 26
Configuring Basic FWLB 28
IPv4 Firewall-1 37
IPv4 Firewall-2 37
External 40
Internal 40
Firewall-2 42
Firewall-1 42
Configuring HA FWLB 48
Session limits 49
Session aging 49
Task Reference 52
Configuring the firewall port 53
Configuring the partner port 54
Configuring the router port 55
Configuring the firewalls 55
Adding the firewalls 55
Connection rate control 57
Complete CLI example 62
HA FWLB with VRRP 73
Usage notes 78
Configuring Multizone FWLB 82
Zone 3Zone 2 84
Zone1-SI(config)# no span 85
Failover algorithm 92
Commands on Zone1-SI-A zone 1 92
DRAFT: BROCADE CONFIDENTIAL 100
53-1002436-01 102
SI-A SI-A 104
In this chapter 124
NAT firewalls 124
Extra firewall method 129
Access policy method 130
Specifying the partner port 134
Specifying the router ports 134
Configuring FWLB and SLB 146
Configuring SLB-to-FWLB 148
Configuring the real servers 149
Enabling SLB-to-FWLB 150
Configuring FWLB-to-SLB 152
Enabling FWLB-to-SLB 154
FWLB configuration overview 166
TCP/UDP port statistics 169
FWLB path information 172
Field Description 173
• 6 – TCP 174
• 17 – UDP 174
In this appendix 176
FWLB selection algorithms 182
Configuration guidelines 186
Denying FWLB 187

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