Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 81
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ServerIron ADX Advanced Server Load Balancing Guide 69
53-1002435-01
Policy based caching
2
The <acl-id>variable specifies the ID of the IPv4 or IPv6 ACL being used for bypass caching.
You must use ipv6 parameter if the ACL being used for bypass caching is an IPv6 ACL.
The above bypass caching ACL will be evaluated first. If traffic matches this ACL, this traffic will be
sent directly to the Internet.
NOTE
This bypass caching ACL is global in scope i.e. it will apply to all cache-groups. It should be configured
as a permit ACL.
Summary of configuration constraints
Consider the following:
• User will configure the filters using the access-list command and associate the id with a
cache-group. Note that the filters in the acl-id will apply to all cache servers in the cache-group.
If you don't want the acl-id to apply to a particular server in the cache-group, you need to create
another cache group and move the server to this group.
• If user does not configure a default cache-group, then traffic that does not match any of the
group ACLs will be sent to the Internet.
• When policy-based caching is enabled, user should not disable any cache groups. Disabling a
cache group could result in disruption of traffic. If user needs to prevent traffic from being
serviced by a particular group, he or she should update the filter-acl associated with the group
accordingly instead of disabling the group.
• When policy-based caching is enabled, user should not turn on spoofing for a subset of the
cache groups. User can either turn on spoofing for all the cache groups or turn it off for all of
them.
Show commands
Syntax: show cache-group [cache-group number]
The show cache-group command displays the acl-id, if one is associated with the group and the hit
count for the associated policy number.
Debug commands
You can configure the following command to enable debugging for enhanced policy based caching.
ServerIronADX(config)# server debug-policy-caching
Syntax: server debug-policy-caching
NOTE
This command impacts performance and should be used for debugging purposes only. Output for
this command is sent to the BP.
- 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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