Filter
Top Products
21-2
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-29225-01
Chapter 21 Configuring L2TPv3 Over UDP/IP
Configuring L2TP Class
Note The bridge id on interfaces with same vlan id must be the same.
The following are not supported:
• Tunnel establishment using IPv6 address
• SNMP and GUI configuration
• Multiple tunnels to same LNS (L2TP Network Server)
• Configuring xconnect on physical interfaces like Gig and Dot11
• Prol2tp versions older than 1.6.1 when sequencing or cookies are enabled.
• Xconnect allows only IPv4 address. FQDN is not supported.
• Only dynamic cookie assignment is used.
Configuring L2TP Class
Configuring the L2TP creates a template of L2TP control plane configuration settings that can be
inherited by different pseudowire classes. These parameters can be configured:
• Authentication
• L2TPv3 hello interval
• Hostname
• Cookie length
• Enabling digest
• Retransmit and retries for the L2TPv3 control packets
• Timeout
• Receive-window size
• Hello interval
Beginning in privileged EXEC mode, follow these steps to configureL2TP Class
Command Purpose
Step 1
digest hash [MD5, SHA] enable message digest.
Step 2
receive-window size Receive window size of control connection.
Step 3
hello interval Configure the interval between two hello messages.
Step 4
cookie size cookie size Configure the cookie size. The values are 4 and 8.
Step 5
digest secret secret Configure the secret for authentication.
Step 6
retransmit retries retries Configure the number of times a control message is sent if no
response is received.
Step 7
retransmit timeout min minimum
timeout
Configure the minimum timeout beween retries.
Step 8
retransmit timeout max maximum
timeout
Configure the maximum timeout between retries.