Datasheet

Table Of Contents
13-17
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Chapter 13 Management Network Connectivity
13.2.7 Scenario 7: Provisioning the ONS 15454 SDH Proxy Server
Figure 13-13 Scenario 7: ONS 15454 SDH Proxy Server With ENEs on Multiple Rings
Table 13-3 shows the rules the ONS 15454 SDH follows to filter packets when Enable Firewall is
enabled.
If the packet is addressed to the ONS 15454 SDH, additional rules apply (Table 13-4). Rejected packets
are silently discarded.
Remote CTC
10.10.20.10
10.10.20.0/24
10.10.10.0/24
Interface 0/0
10.10.20.1
Router A
Interface 0/1
10.10.10.1
ONS 15454 SDH
GNE
10.10.10.100/24
ONS 15454 SDH
ENE
192.168.10.250/24
ONS 15454 SDH
ENE
192.168.10.150/24
ONS 15454 SDH
ENE
192.168.10.200/24
Ethernet
SDH
ONS 15454 SDH
GNE
10.10.10.200/24
ONS 15454 SDH
ENE
192.168.80.250/24
ONS 15454 SDH
ENE
192.168.60.150/24
ONS 15454 SDH
ENE
192.168.70.200/24
78238
Table 13-3 Proxy Server Firewall Filtering Rules
Packets Arriving At: Are Accepted if the IP Destination Address is:
TCC2/TCC2P
Ethernet interface
The ONS 15454 SDH itself
The ONS 15454 SDH node’s subnet broadcast address
Within the 224.0.0.0/8 network (reserved network used for standard
multicast messages)
Subnet mask = 255.255.255.255
DCC interface
The ONS 15454 SDH itself
Any destination connected through another DCC interface
Within the 224.0.0.0/8 network