19-32
Cisco ONS 15454 Procedure Guide, R5.0
September 2005
Chapter 19 DLPs A200 to A299
DLP-A249 Provision IP Settings
• Gateway Settings—Provisions the ONS 15454 SOCKS proxy server features. (SOCKS is a standard
proxy protocol for IP-based applications.) Do not change any of these options until you review the
SOCKS proxy server scenario in the “CTC Network Connectivity” chapter of the Cisco ONS 15454
Reference Manual. In SOCKS proxy server networks, the ONS 15454 is either an ENE, GNE, or
proxy-only server. Provisioning must be consistent for each NE type.
• Enable SOCKS proxy server on port—If checked, the ONS 15454 serves as a proxy for connections
between CTC clients and ONS 15454s that are DCC-connected to the proxy ONS 15454. The CTC
client establishes connections to DCC-connected nodes through the proxy node. The CTC client
does not require IP connectivity to the DCC-connected nodes, only to the proxy ONS 15454. If this
box is not checked, the node does not proxy for any CTC clients. When this box is checked, you can
set the node as an ENE or a GNE:
–
External Network Element (ENE)—Choose this option when the ONS 15454 is not connected
to a LAN but has DCC connections to other ONS nodes. A CTC computer connected to the ENE
through the TCC2/TCC2P craft port can manage nodes that have DCC connections to the ENE.
However, the CTC computer does not have direct IP connectivity to these nodes or to any
LAN/WAN that those nodes might be connected to.
–
Gateway Network Element (GNE)—Choose this option when the ONS 15454 is connected to a
LAN and has DCC connections to other nodes. A CTC computer connected to the LAN can
manage all nodes that have DCC connections to the GNE, but the CTC computer does not have
direct IP connectivity to them. The GNE option isolates the LAN from the DCC network so that
IP traffic originating from the DCC-connected nodes and any CTC computers connected to
them is prevented from reaching the LAN.
–
SOCKS Proxy-Only—Choose this option when the ONS 15454 is connected to a LAN and the
LAN is separated from the node by a firewall. The SOCKS Proxy Only is the same as the GNE
option, except the SOCKS Proxy Only option does not isolate the DCC network from the LAN.
Step 3 Click Apply.
Step 4 Click Ye s in the confirmation dialog box.
Both TCC2/TCC2P cards reboot, one at a time. During this time (approximately 5 minutes), the active
and standby TCC2/TCC2P card LEDs go through the cycle shown in Table 19-2. Eventually, a “Lost
node connection, switching to network view” message appears.
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