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9-2 Riverstone Networks RS Switch Router User Guide Release 8.0
Configuring Packet-over-SONET Links Packet-over-SONET Configuration Guide
Source filtering and ACLs can be applied to an IP interface for a PoS link. Unlike WAN ports, the applied filter or ACL
presents no limitation. Different filters can be configured on different PoS ports.
9.2 CONFIGURING PACKET-OVER-SONET LINKS
To configure a Packet-over-SONET link:
1.
On the RS, assign an interface to the PoS port to which you will connect via fiber cable in a
point-to-point link. Assign an IP address and netmask to the interface. If possible, determine the
peer address of the interface at the other end of the point-to-point link. In the following example, the
port so.13.1 on the RS will be associated with the interface pos11:
Figure 9-1 Configuring PoS links
2.
Create a PPP interface with the
interface
create
command, specifying the IP address and
netmask for the interface on the RS:
When you create the point-to-point interface as shown above, the RS creates an implicit VLAN called
“SYS_L3_<interface-name>.” In the above example, the RS creates the VLAN ‘SYS_L3_pos11.’
3.
Specify the peer address of the other end of the connection. This is optional.
4.
If you want to increase the MTU size on a port, specify the parameter
mtu
with the
port
set
command and define a value up to 65535 (octets). See Section 11.3, "Configuring Jumbo Frames"
for more information.
5.
Specify the bit error rate thresholds, if necessary. For more information, see Section 9.4, "Specifying
Bit Error Rate Thresholds"
6.
Modify any other PoS operating parameters, as needed. The following table lists the operating
parameters that you can modify and the configuration commands that you use.
rs(config)# interface create ip pos11 address-netmask 20.11.11.20/24
port so.13.1
Router A Router B
pos11
so.13.1
20.11.11.20/24
pos21
20.11.11.21/24