Administration of the Avaya G350 Media Gateway - Avaya Support

Configuring policyEditing and creating rulesTo create or edit a policy rule, you must enter the context of the rule. If the rule already exists,you can edit the rule from the rule context. If the rule does not exist, entering the rule contextcreates the rule.To enter a rule context:1. Enter the context of the list in which you want to create or edit a rule.2. Type the command ip-rule, followed by the number of the rule you want to create or edit.For example, to create rule 1, type ip-rule 1.To view the existing rules in a list, enter the list’s context and type ip show-rule. Each liststarts with a default rule. Each new rule has the same default parameters as the default rule.The default rule appears as follows:Index Protocol IP Wildcard Port Operation----- -------- --- ---------------- --------------- ------------ ----Deflt Any Src Any Any PermitDst Any AnyThis rule permits all packets.Rule criteriaThis section describes the rule criteria you can define and includes the following topics:● IP protocol — instructions on how to define the protocol to which the rule applies● Source and destination IP address — instructions on how to define the source anddestination IP addresses to which the rule applies●●●IP protocolSource and destination port range — instructions on how to define the source anddestination port ranges to which the rule appliesICMP type and code — instructions on how to define packet matching by ICMP type orcodeTCP Establish bit (access control lists only) — instructions on how to define packetmatching for TCP packets by whether the ack bit is burned onTo specify the IP protocol to which the rule applies, use the ip-protocol command, followedby the name of an IP protocol. If you want the rule to apply to all protocol, use any with thecommand. If you want the rule to apply to all protocols except for one, use the no form of thecommand, followed by the name of the protocol to which you do not want the rule to apply.262 Administration of the Avaya G350 Media Gateway