Weblogic 12c Administration I -- 1Z0-133 - Network Channels

Weblogic  12c Administration I  -- 1Z0-133  -  Network Channels

• Network Channel is the name given by Oracle to the piece of WLS configuration that defines a network connection to a server instance.
• Network Channels can be edit through domain configuration wizard.
• Network Channels configurations are stored in ServerMBean and SSLMBean Objects.
• Custom network channels created by administrators are stored in instances of the NetworkAccess PointMBean Object

Listing 8-1: Log messages indicating the status of the default network channels

---

 1:52:21 AM CST> <Notice> <Server> <BEA-002613> <Channel
"DefaultSecure" is now listening on 127.0.0.1:7002 for protocols iiops,
t3s, ldaps, https.>
<Sep 21, 20181:52:21 AM CST> <Notice> <Server> <BEA-002613> <Channel
"Default" is now listening on 127.0.0.1:7001 for protocols iiop, t3, ldap,
snmp, http.>

Purpose of Network Channels

Security
Quality of Service
Traffic segmentation
Observability
Performance




The following properties of a network channel can be customized:





Name
Protocol
Listen address
Port Number
External listen address
External port number
Whether the Channel

Is enabled or disabled
Supports tunneling
Supports HTTP
Is outbound enabled
Is two-way SSL enabled
Enforces client-certificate



A network channel supports standard  below protocols 






HTTP
HTTPS
LDAP
LDAPS
IIOP
IIOPS
SNMP
Weblogic Server proprietary protocols  T3
T3s
Admin
Cluster-broadcast
Cluster-broadcast-secure


Tunneling is used to circumvent situations in which traffic from certain ports and protocols is prohibited in a particular network. This is done by letting the restricted traffic go over a connection or tunnel established using another protocol, for example, when configuring T3 traffic to go over an HTTP connection.






Channel Types





Internal Channels

WebLogic Sever - only traffic

Cluster communication
session replication
Administrative traffic




External

Client traffic





Important in Exam point of view :




Administration Port



It is a recomended