IBM Switch 9077 - Manual (Page 166)

148 IBM 9077 SP Switch Router: Get Connected to the SP Switch
Flags: 0xb043 up broadcast running link0 link1 multicast
Bridging media: fddi bpdu
MAC address: 0:c0:80:89:2d:f5
Bridge group name: bg1
Flags:(0x43) up broadcast running
Ports: 2
Port ga010: State (0x1) Running
Flags: 0xa043 up broadcast running link1 multicast
Bridging media: ethernet fddi bpdu
Max MTU: 4352
MAC address: 0:c0:80:f8:43:0
Port ga0180: State (0xf) Blocking
Flags: 0xa043 up broadcast running link1 multicast
Bridging media: ethernet fddi bpdu
Max MTU: 4352
MAC address: 0:c0:80:f8:44:80
4.6.11 Configuration File and Profile Overview
When a new GRF system is installed or a site upgrades to a bridging software
release, the /etc/bridged.conf file does not exist. The bridging daemon,
bridged, will not start without this file. The
grstart program periodically
checks to see if the /etc/bridged.conf file exists; when it finds the file, grstart
then starts bridged. The following are the steps to configure bridging. For
more information, refer to
GRF Configuration Guide 1.4, GA22-7366.
1. Create /etc/bridged.conf.
A template file for /etc/bridged.conf is provided in
/etc/bridged.conf.template. Copy the template file into /etc/bridged.conf.
2. Create bridge groups in /etc/bridged.conf
Run bredit to create and name the bridge groups, and assign bridging
parameters to each.
3. Assign an IP address to each bridge group.
Edit /etc/grifconfig.conf to identify each bridge group by assigning:
• An IP address
• The GRF interface name
• A netmask, required
• A destination or broadcast address, as required
• An MTU value, if needed
4. Create ATM OC-3c PVCs for encapsulated bridges.