Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 5
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ServerIron ADX Firewall Load Balancing Guide v
53-1002436-01
DRAFT: BROCADE CONFIDENTIAL
Chapter 4 Configuring Multizone FWLB
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Zone configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Configuring basic multizone FWLB . . . . . . . . . . . . . . . . . . . . . . . . . .72
Configuration example for basic multizone FWLB . . . . . . . . . . . . . . 74
Commands on ServerIron ADX Zone1-SI . . . . . . . . . . . . . . . . . . 74
Commands on Zone2-SI in zone 2 . . . . . . . . . . . . . . . . . . . . . . . 77
Commands on Zone3-SI in zone 3 . . . . . . . . . . . . . . . . . . . . . . .78
Configuring highly-availability multizone FWLB. . . . . . . . . . . . . . . . .79
Failover algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Configuration example for a high-availability multizone FWLB . . . . 81
Commands on Zone1-SI-A zone 1 . . . . . . . . . . . . . . . . . . . . . . . 81
Commands on Zone1-SI-S in zone 1 . . . . . . . . . . . . . . . . . . . . .86
Commands on Zone2-SI-A in zone 2 . . . . . . . . . . . . . . . . . . . . . 87
Commands on Zone2-SI-S in zone 2 . . . . . . . . . . . . . . . . . . . . .88
Commands on Zone3-SI-A in zone 3 . . . . . . . . . . . . . . . . . . . . .89
Commands on Zone3-SI-S in zone 3 . . . . . . . . . . . . . . . . . . . . .90
Configuration examples with Layer 3 routing . . . . . . . . . . . . . . . . . .92
Multizone FWLB with one sub-net and one
virtual routing interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Multizone FWLB with multiple sub-nets and
multiple virtual routing interfaces. . . . . . . . . . . . . . . . . . . . . . .102
Chapter 5 Configuring FWLB for NAT Firewalls
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
NAT firewalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Configuring basic Layer 3 FWLB for NAT firewalls. . . . . . . . . . . . . .114
Defining the firewalls and adding them to the
firewall group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Configuring the paths and adding static MAC entries. . . . . . .116
Preventing load balancing of the NAT addresses . . . . . . . . . .118
Configuration example for FWLB with Layer 3 NAT firewalls . . . . .119
CLI commands on ServerIron ADX A (external) . . . . . . . . . . . .119
CLI commands on ServerIron ADX B (internal) . . . . . . . . . . . .121
Configuring IronClad Layer 3 FWLB for NAT . . . . . . . . . . . . . . . . . .121
Specifying the partner port . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Specifying the router ports . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Defining the firewalls and adding them to the
firewall group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Configuring paths and adding static MAC entries
for Layer 3 firewalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Configuring the ServerIron ADX priority . . . . . . . . . . . . . . . . . .128
Preventing load balancing of the NAT addresses . . . . . . . . . .128
- 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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