Technical data

126 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-03
Interoperability issues with cache servers
2
NOTE
This example shows commands that are valid on the ServerIron ADX device only when it is running
the Layer 3 router image.
ServerIronADX(config)# vlan 1 name DEFAULT-VLAN by port
ServerIronADX(config-vlan-1)# no spanning-tree
ServerIronADX(config-vlan-1)# exit
ServerIronADX(config)# vlan 13 by port
ServerIronADX(config-vlan-13)# untagged ethe 1/13
ServerIronADX(config-vlan-13)# no spanning-tree
ServerIronADX(config-vlan-13)# exit
ServerIronADX(config)# ip address 195.92.10.6 255.255.255.0
ServerIronADX(config)# ip default-gateway 195.92.10.1
ServerIronADX(config)# ip policy 1 cache tcp 0 global
ServerIronADX(config)# ip policy 2 cache udp 0 global
ServerIronADX(config)# ip policy 3 cache tcp http global
ServerIronADX(config)# ip policy 4 cache tcp rtsp global
ServerIronADX(config)# ip policy 5 cache tcp mms global
ServerIronADX(config)# ip policy 6 cache tcp ftp global
ServerIronADX(config)# mirror ethernet 1/5
ServerIronADX(config)# server backup ethe 1/13 00e0.52c2.8b00
ServerIronADX(config)# server tcp-age 20
ServerIronADX(config)# server udp-age 20
ServerIronADX(config)# no server l4-check
ServerIronADX(config)# server cache-name cache1 195.92.10.22
ServerIronADX(config-rs-cache1)# port http
ServerIronADX(config-rs-cache1)# port http url "HEAD /"
ServerIronADX(config-rs-cache1)# port mms
ServerIronADX(config-rs-cache1)# port rtsp
ServerIronADX(config-rs-cache1)# port ftp
ServerIronADX(config-rs-cache1)# exit
ServerIronADX(config)# server cache-group 1
ServerIronADX(config-tc-1)# cache-name cache1
ServerIronADX(config-tc-1)# exit
Interoperability issues with cache servers
The defaults for many of the ServerIron ADX’s parameters are applicable to most TCS
environments. However, depending on the brand of cache server you use, you might need to make
minor modifications either to the cache server or to the ServerIron ADX for interoperability.
CacheFlow server version 2.x.x and 3.x.x
These versions send HTTP error code 503 in response to an HTTP keep-alive health check sent by
the ServerIron ADX. By default, the ServerIron ADX does not consider this to be a valid health check
response. To work around this issue, configure status code 503 to be a valid response to the health
check. To do so, enter the port http status_code 503 503 command at the configuration level for
the cache server. This issue has not been observed with CacheFlow version 1.x.x.