3Com 3C13636 Configuration Manual page 383

3Com Router 3000 Ethernet Family
Configuration Guide
[Router1-Ethernet0/0/0] promiscuous
[Router1-Ethernet0/0/0] firewall ethernet-frame-filter 4000 inbound
[Router1-Ethernet0/0/0] firewall ethernet-frame-filter 4000 outbound
[Router1-Ethernet0/0/0] bridge-set 1
2) Configure Router 2
# Enable the firewall.
[Router2] firewall enable
# Enable bridging globally.
[Router2] bridge enable
[Router2] bridge 1 enable
# Configure a dialer ACL.
[Router2] dialer-rule 1 bridge permit
# Configure an ACL for MAC-based filtering.
[Router2] acl number 4000
[Router2-acl-ethernetframe-4000] rule 0 permit source-mac 1111-2222-0000
ffff-ffff-0000
[Router2-acl-ethernetframe-4000] rule 1 permit dest-mac 1111-2222-0000
ffff-ffff-0000
[Router2-acl-ethernetframe-4000] rule 2 deny
[Router2-acl-ethernetframe-4000] quit
# Configure dial-up on the ISDN BRI interface.
[Router2] interface Bri1/0/0
[Router2-Bri1/0/0] link-protocol ppp
[Router2-Bri1/0/0] dialer enable-circular
[Router2-Bri1/0/0] dialer-group 1
[Router2-Bri1/0/0] dialer circular-group 2
[Router2-Bri1/0/0] quit
# Assign the dialer interface to a bridge-set and configure MAC-based filtering on the
interface.
[Router2] interface Dialer2
[Router2-Dialer2] link-protocol ppp
[Router2-Dialer2] firewall ethernet-frame-filter 4000 inbound
[Router2-Dialer2] firewall ethernet-frame-filter 4000 outbound
[Router2-Dialer2] bridge-set 1
[Router2-Dialer2] dialer enable-circular
[Router2-Dialer2] dialer-group 1
[Router2-Dialer2] dialer number 660206
[Router2-Dialer2] quit
3Com Corporation
3-34
Chapter 3 Bridge Configuration