User manual

4 POS and CPOS interface configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
4-14 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
After configuring the IPv6 MTU, run the ppp mru-negotiate ipv6 command to start
negotiation of the IPv6 MTU.
Configuring IPv6 MTU
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface pos interface-number
The POS interface view appears.
Step 3 Run:
ipv6 mtu mtu
The command configures the IPv6 MTU of the POS interface.
The IPv6 MTU is in byte and ranges from 328 to 8192. By default, it is 4470 bytes.
The MTU assembles and fragments IP packet to receive and send packets on the interface.
The router then reassembles and fragments the sent and received packets according to the
MTU.
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4.2.9 Checking the configuration
Run the following commands to check the previous configuration.
Action Command
Check the configuration and
status of the POS interface.
display interface pos [ interface-number ] [ | { begin |
exclude | include } regular-expression ]