redis_ippool module: redis_ippool { # # Note all configuration items at this level (above the redis block) # are polymorphic, meaning xlats, attribute references, literal values # and execs may be specified. # # For example pool_name could be pool_name = 'my_test_pool' if only a # single pool were being used. # # Name of the pool to allocate leases from. # pool_name = &control:Pool-Name # # How long a lease is reserved for after making an offer to the DHCP client # if no value is provided, the value from lease_time is used for initial # allocations. No value should be provided for PPP/VPNs, this is mainly for # the DORA flow in DHCP. # offer_time = 120 # # How long a lease is allocated for # lease_time = &reply:DHCP-IP-Address-Lease-Time # # The device identifier, usually the Mac-Address but could be a combination # of attributes, a user-name or a certificate serial number (if the number # of sessions were limited to one per user/serial). # device = &DHCP-Client-Hardware-Address # # The IP address being renewed or released # requested_address = "%{%{DHCP-Requested-IP-Address}:-%{DHCP-Client-IP-Address}}" # # List and attribute where the allocated address is written to. # allocated_address_attr = &reply:DHCP-Your-IP-Address # # List and attribute where the Pool-Range ID (if set) is written to. # # The idea of the Pool-Range is that it provides a key into other datastores # or caches, which store the additional options associated with the range an # IP address belongs to. # # There may be multiple ranges of IP address contained within any given pool, # which is why this is provided in addition to the pool name. # range_attr = &reply:Pool-Range # # If set - the list and attribute to write the remaining lease time to. # This can be populated on alloc, or renew, if an IP address was available # for the alloc. # expiry_attr = &reply:DHCP-IP-Address-Lease-Time # # If true - Copy the value of ip_address to the attribute specified by # reply_attr when performing an update/renew. This is needed for DHCP where # we need to send back DHCP-Your-IP-Address in ACKs. # copy_on_update = yes # # Redis connection settings - Identical to all other Redis based modules. # redis { server = devstack08-db-eval1-0001-001.oovb0g.0001.usw2.cache.amazonaws.com pool { start = 0 min = ${thread[pool].num_workers} max = ${thread[pool].num_workers} spare = 1 uses = 0 lifetime = 0 retry_delay = 30 idle_timeout = 60 } } } dhcp server: recv DHCP-Request { ... update reply { &DHCP-IP-Address-Lease-Time = 3600 &DHCP-Domain-Name-Server = 72.173.31.41 ... } Regards, Nagamani Chinnapaiyan