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Defining a T1/E1 Management Channel 159
Models 2616RC, 3096RC & 3196RC Admin Reference Guide 11 • In-band management
Status. Once LCP has finished the negotiation of the configuration values, the link is in the UP state. But
for data transfer to occur, the Network Control Protocol (NCP) must be established. In this example, the
NCP is IPCP. The two possible states are:
– DOWN, meaning the link is not yet in the UP state. (The UP state is typically reached upon completion
of the LCP, Authorization/LQM phases. In this instance, there is no Authorization/LQM phase.)
– UP, meaning the link is in the UP state. It may or may not have established the NCP. NCP must be
established for data transfer over a PPP link.
To change any of these three parameters—Slot, IP Address, or IP Mask—click on the Modify Management
Channels… hyperlink (see figure 91 on page 158).
5. A Gateway route must now be added, see chapter 12, “IP (IP, TCP, UDP, & ICMP)” on page 179 for
details. The gateway IP address is the IP address of the device at the remote end of the T1/E1 PPP manage-
ment channel.
Deleting the T1/E1 management channel
1. If you need to change the parameters for the T1/E1 management channel, you must first delete it and cre-
ate a new one by clicking on T1/E1 in the Interface Type column. The WAN Circuit CONFIGURATION
LINK: 2 page displays.
2. Click on the Channel Assignment… hyperlink, change all of the PPP timeslots for this management chan-
nel to Clear, and click on Submit Query.
3. Go back to the In-Band Management Overview to verify that the T1/E1 management channel has
been deleted.
Example 3: T1/E1 Bridged PPP Management Channel
Do the following to create a bridged PPP (BCP) channel on T1/E1 port #3, timeslots 1-6.
1. Set the parameters as follows:
– Port: port3(3)
– Function: ppp(5)
–Timeslots: 1-6
2. Click on the Define button.
3. Since you are configuring the T1/E1 port for PPP, the timeslots will automatically be set to PPP, even if the
timeslots were previously configured for clear or FrameRelay.
4. In the Protocol Type column, you will see ppp-ipcp(1) which is the default protocol. For this bridged appli-
cation, you must change the protocol type and the IP address of the management channel. ppp-bcp(2) is
for bridged routed PPP channels over the T1/E1 link. Change the Protocol Type by clicking the Modify
Management Channels… link; the ppp-ipcp(1) link; the 192.168.200.1 link; and the Modify… link. The
PPP Link Configuration page displays.
5. Change the PPP Protocol to ppp-bcp(2).
6.
The other displayed parameters are IP Address, IP Mask, and Status.