Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 96
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84 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-01
Displaying cache information
2
Hash_info The source and destination mask for the cache distribution hash value.
The ServerIron ADX compares the web site’s IP address to the hash
mask to determine which cache server to send a a request for a given
web site to.
As long as the cache server is available, the ServerIron ADX always
sends requests for a given IP address to the same cache. If a cache
becomes unavailable, the ServerIron ADX directs requests for web sites
normally served by that cache to the remaining cache servers until the
unavailable cache server becomes available again.
Cache Server Name The names of the cache servers in the cache group. These are the
names you assigned when you configured cache server information on
the ServerIron ADX.
Admin-status The administrative state of the cache server, which can be one of the
following:
• 1 – Enabled
• 2 – Failed
• 3 – Testing
• 4 – Suspect
• 5 – Graceful shutdown
• 6 – Active
L4-Hash-Buckets The number of hash distribution slots used by the cache server. The
ServerIron ADX has 256 hash distribution slots available. A hash
distribution slot associates a web site destination IP addresses with a
specific cache server. Refer to “Controlling traffic distribution among
cache servers” on page 53 for more information about has values.
L7-Hash-Buckets The number of L7 cache buckets.
Traffic statistics for traffic between clients and the cache
Name The cache server name
IP The cache server’s IP address
State The administrative state of each of the services on cache server which
can be one of the following:
• 1 – Enabled
• 2 – Failed
• 3 – Testing
• 4 – Suspect
• 5 – Graceful shutdown
• 6 – Active
Groups The cache groups of which the cache server is a member.
State The state of the service, which can be one of the following:
• 1 – Enabled
• 2 – Failed
• 3 – Testing
• 4 – Suspect
• 5 – Graceful shutdown
• 6 – Active
CurConn The number of currently active connections between hosts and the
cache server.
TABLE 8 TCS information (Continued)
This field... Displays...
- 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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