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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter12 CTC Network Connectivity
12.5 External Firewalls
Gateway (0.0.0.0) means the destination host is directly attached to the node.
Interface (pdcc0) indicates that a SDH SDCC 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 connect ed:
Destination (172.20.214.94) is the destination host IP address.
Mask (255.255.255.255) is a 32-bit mask, meaning only the 172.20.214.94 a ddress is a destination.
Gateway (172.20.214.93) indicates that the destination host is ac cessed through a node with IP
address 172.20.214.93.
Interface (pdcc0) indicates that a SDH SDCC interface is used to reach the gateway.
12.5 External Firewalls
This section provides sample access control lists for external firewalls. Table 1 2-9 lists the po rts that are
used by the TCC2/TCC2P card.
Table12-9 Ports Used by the TCC2/TCC2P
Port Function Action1
0Never used D
20 FTP D
21 FTP control D
22 SSH D
23 Telnet D
80 HTTP D
111 SUNRPC NA
161 SNMP traps destinations D
162 SNMP traps destinations D
513 rlogin D
683 CORBA IIOP OK
1080 Proxy server (socks) D
2001-2017 I/O card Telnet D
2018 DCC processor on active TCC2/TCC2P D
2361 TL1 D
3082 Raw TL1 D
3083 TL1 D
5001 BLSR server port D
5002 BLSR client port D
7200 SNMP alarm input port D
9100 EQM port D
9401 TCC boot port D
9999 Flash manager D