Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 36
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24 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-01
Configuring SIP SLB
1
Enter the following command.
ServerIronADX(config-rs-sip)# sip alternative-server-ip 10.120.5.34
Syntax: [no] sip alternative-server-ip <alternate-ip>
Enter an IP address for <alternate-ip>.
By default, real server traffic is deeply scanned by the ServerIron SIP parser. In some cases, you
may want to prevent traffic from being deeply scanned because the real server initiated other
traffic beside SIP (such as HTTP, DNS, and others). For these cases, configure an ACL for SIP. If the
ACL action is "permit", packets should be forwarded without being deeply scanned by the SIP
parser.
ServerIronADX(config-rs-sip)# sip tcp-access-list 2
Syntax: [no] sip tcp-access-list <acl-id>
The <acl-id> is the access list ID that will be used only for TCP.
Virtual server commands for SIP over TCP
Configure an alternate virtual port to be used by TCP-based SIP and the maximum local
connections for a client. This port is configured under the SIP virtual server configuration level.
ServerIronADX(config-vs1)# port 5060 sip-alternative-port-start 5061
max-tcp-connections 3
Syntax: port <sip-port> sip-alternative-port-start <start-port> max-tcp-connections
<#connections>
Enter the virtual SIP port for <sip-port> . Typically this is port 5060,
Enter the beginning of the alternate virtual port for <start-port>. This port will be used as the
source-port of the client-side connection. The default value is the next unused port that is greater
than the virtual port.
Specify the maximum number of local connections allowed for a client for <#connections>. This
value takes precedence over the server sip max-client-tcp-connections and server sip
max-server-tcp-connections (global) commands. The default number of connection is 64.
The port range between <start-port> and <start-port>+<max-tcp-connection> should be reserved
for alternative virtual port usage.
Load Balancing SIP over TCP sample configuration
1. Configure a source IP address for the SIP Proxy Server.
ServerIronADX(config)# server source-ip 172.28.8.3 255.255.255.0 0.0.0.0
2. Configure a SIP real server.
ServerIronADX(config)# server real rs1 172.28.8.67
ServerIronADX(config-rs-sip)# source-nat
ServerIronADX(config-rs-sip)# sip max-tcp-connections 2
ServerIronADX(config-rs-sip)# port sip
ServerIronADX(config-rs-sip)# port sip sip-both-registrar-proxy-server
3. Configure a SIP virtual server and bind it to a SIP real server.
- 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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