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Cisco ONS 15454 Reference Manual, R8.5
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Chapter 13 Management Network Connectivity
13.4 External Firewalls
•
Mask (255.255.255.255) is a 32 bit mask, meaning that only the 172.20.214.92 address is a
destination.
•
Gateway (127.0.0.1) is a loopback address. The host directs network traffic to itself using this
address.
•
Interface (lo0) indicates that the local loopback interface is used to reach the gateway.
Entry 4 shows the following:
•
Destination (172.20.214.93) is the destination host IP address.
•
Mask (255.255.255.255) is a 32 bit mask, meaning that only the 172.20.214.93 address is a
destination.
•
Gateway (0.0.0.0) means the destination host is directly attached to the node.
•
Interface (pdcc0) indicates that a DCC interface is used to reach the destination host.
Entry 5 shows a DCC-connected node that is accessible through a node that is not directly connected:
•
Destination (172.20.214.94) is the destination host IP address.
•
Mask (255.255.255.255) is a 32-bit mask, meaning that only the 172.20.214.94 address is a
destination.
•
Gateway (172.20.214.93) indicates that the destination host is accessed through a node with IP
address 172.20.214.93.
•
Interface (pdcc0) indicates that a DCC interface is used to reach the gateway.
13.4 External Firewalls
This section provides sample access control lists (ACLs) for external firewalls.
Table 13-6
lists the ports
that are used by the TCC2/TCC2P card.
Table 13-6
Ports Used by the TCC2/TCC2P
Port
Function
Action
1
0
Never used
D
20
FTP
D
21
FTP control
D
22
SSH (Secure Shell)
D
23
Telnet
D
80
HTTP
D
111
SUNRPC (Sun Remote Procedure Call)
NA
161
SNMP traps destinations
D
162
SNMP traps destinations
D
513
rlogin
D
683
CORBA IIOP
2
OK
1080
Proxy server (socks)
D
2001-2017
I/O card Telnet
D
2018
DCC processor on active TCC2/TCC2P
D
Summary of Contents for 15454-DS1-14= - 1.544Mbps Expansion Module
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