Configuring the ECN330-switch
452 1553-KDU 137 365 Uen D 2006-06-16
• Authentication Key – Assign a plain-text password used by
neighboring routers to verify the authenticity of routing protocol
messages. (Range: 1-8 characters for simple password or 1-16
characters for MD5 authentication; Default: no key)
• A unique password can be assigned to each network (that is,
autonomous system) to improve the security of the routing
database. However, the password must be used consistently on all
neighboring routers throughout a network.
• Message Digest Key-id – Assigns a key-id used in conjunction with the
authentication key to verify the authenticity of routing protocol
messages sent to neighboring routers. (Range: 1-255; Default: none)
• Normally, only one key is used per interface to generate
authentication information for outbound packets and to authenticate
incoming packets. Neighbor routers must use the same key
identifier and key value.
• When changing to a new key, the router will send multiple copies of
all protocol messages, one with the old key and another with the
new key. Once all the neighboring routers start sending protocol
messages back to this router with the new key, the router will stop
using the old key. This rollover process gives the network
administrator time to update all the routers on the network without
affecting the network connectivity. Once all the network routers
have been updated with the new key, the old key should be removed
for security reasons.
Web - Click Routing Protocol, OSPF, Interface Configuration. Select the required
interface from the scroll-down box, and click Detailed Settings.
Figure 202 OSPF Interface Configuration
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