Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 117
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ServerIron ADX Advanced Server Load Balancing Guide 105
53-1002435-01
High availability designs with TCS
2
Layer 3 Sym-Active SLB with TCS
Figure 29 illustrates a Sym-Active configuration with TCS, using VRRPE.
NOTE
To allow failover and session synchronization in an Sym-Active configuration to work properly, there
must be a Layer 2 connection between the two ServerIron ADXs. This connection is required so that
Layer 2 broadcasts, including ARP to the VIP from the ServerIron ADX with lower symmetric priority,
can be exchanged between the two ServerIron ADXs. In configurations with multiple VLANs, the
Layer 2 link must be on the sub-net where the VIPs are configured.
FIGURE 29 Sym-Active configuration with TCS and VRRPE
Commands for Router NI1
The following commands configure router NI1 in Figure 29,
NOTE
The route-only command is omitted on this NetIron’s configuration to allow Layer 2 connectivity
between the two ServerIron ADXs on the VIP's sub-net.
NetIron(config)# vlan 1 name DEFAULT-VLAN by port
NetIron(config-vlan-1)# router-interface ve 1
NetIron(config-vlan-1)# exit
NetIron(config)# vlan 2 by port
NetIron(config-vlan-2)# untagged ethe 1 to 2
NetIron(config-vlan-2)# router-interface ve 2
NetIron(config-vlan-2)# exit
SI
SI
Layer 2 Switch
Layer 2 Switch
Layer 2 Switch
Client Systems
172.1.1.0/24
Gateway: 172.1.1.1, 172.1.1.2
Router NI1
Router NI2
Port e8
Port e8
OSPF Area 0
Port e2 Port e2
Port e1
Port e1
Port3/1
Port3/1
Port 3/3
Port 3/3
Port3/13
Port3/13
Port3/2
Port3/2
VLAN 13 VLAN 13
Cache
Cache
Sync Link
ServerIron 253
ServerIron 254
SLB VIP:
HTTP: 10.2.24.100
SSL: 10.2.24.101
FTP: 10.2.24.102
MMS: 10.2.24.103
DNS: 10.2.24.105
Real Servers
100.1.1.129, 130, 131
HTTP, SSL, FTP, DNS, RTSP, MMS
Gateway: 100.1.1.253
cache2: 100.1.1.98
Real Servers
100.1.1.29, 30, 31
HTTP, SSL, FTP, DNS, RTSP, MMS
Gateway: 100.1.1.254
cache1: 100.1.1.99
rs29 rs30 rs31cache1
rs29.1 rs30.1 rs31.1cache2
VLAN1, Port Based, VE 1, IP addr 100.1.1.251
VRRPR VRID 5, VRIP 100.1.1.254, Backup pri 100
VRRPR VRID 6, VRIP 100.1.1.253, Backup pri 100
VLAN1, Port Based, VE 1, IP addr 100.1.1.251
VRRPR VRID 5, VRIP 100.1.1.254, Backup pri 100
VRRPR VRID 6, VRIP 100.1.1.253, Backup pri 100
VLAN1, Port Based, VE 1, IP addr 172.1.1.3
VRRPR VRID 3, VRIP 172.1.1.1, Backup pri 100
VRRPR VRID 4, VRIP 172.1.1.2, Backup pri 100
VLAN1, Port Based, VE 1, IP addr 172.1.1.4
VRRPR VRID 3, VRIP 172.1.1.1, Backup pri 100
VRRPR VRID 4, VRIP 172.1.1.2, Backup pri 100
VLAN2, Port Based, VE 2,
10.2.24.2
VLAN2, Port Based, VE 2,
10.2.24.251
VLAN2, Port Based, VE 2,
10.2.24.1
VLAN2, Port Based, VE 2,
10.2.24.252
- ServerIron ADX 1
- Document History 2
- Contents 5
- About This Document 9
- Command syntax conventions 10
- Notice to the reader 11
- Related publications 11
- Web access 12
- E-mail and telephone access 12
- SIP Server Load Balancing 13
- SIP terminology 16
- SIP message headers 17
- Max-Forwards 18
- Sample deployment topologies 19
- RINGING F4 21
- Configuring SIP SLB 23
- Configuring health check 26
- Example 29
- Load Balancing SIP over TCP 31
- Call-ID3 33
- Call-ID1 34
- Rehashing the SIP hash table 38
- Debug commands 40
- SIP SLB command reference 42
- Sample configuration 43
- Transparent Cache Switching 45
- Stateful caching 47
- Sample Deployment Topologies 48
- TCS with spoofing 49
- TCS with destination NAT 49
- TCS with Source NAT 50
- VIPs with reverse proxy 51
- Configuring TCS 52
- Defining a cache server 53
- Enabling TCS 56
- Other TCS options 57
- Cache Route Optimization 58
- Enabling Destination NAT 62
- Configuring Source NAT 62
- Examples 64
- Distribution algorithm 66
- • Maximum connection rate 72
- Enabling FastCache 73
- Enabling remote cache 73
- Shutting down a cache server 74
- Passive FTP for TCS 75
- Traffic flow of passive FTP 76
- Topologies supported 76
- High availability support 77
- ServerIron ADX 2 78
- Policy based caching 79
- Show commands 81
- Content aware cache switching 82
- Setting up the CSW policies 84
- Configuring the cache servers 85
- This field... Displays 91
- Displaying cache information 95
- TCS information (Continued) 96
- Sample configurations 98
- Applying IP policies 99
- Defining the caches 99
- Defining the cache groups 100
- 53-1002435-01 101
- Policy-based caching 102
- Asymmetric TCS (FastCache) 103
- Policy-based cache failover 105
- TCS with reverse proxy 107
- Layer 3 TCS 109
- Basic TCS configuration 110
- Commands for ServerIron ADX A 111
- Commands for ServerIron ADX B 112
- Internet 114
- 10.10.20.104 114
- 10.10.20.102 114
- Router NI1 117
- Router NI2 117
- OSPF Area 0 117
- Commands for Router NI2 121
- Active-standby TCS 125
- Configuring Router R1 126
- Configuring ServerIron ADX A 126
- Configuring ServerIron ADX B 127
- NetCache servers 128
- NetCache C720 cache server 128
- TABLE 9 Hashing methods 130
- Parsing the host string 133
- Force rehash 136
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