Using a Sierra Wireless AirLink Raven X or Raven-E with a Cisco Router Application Note

Transcription

1 Using a Sierra Wireless AirLink Raven X or Raven-E with a Application Note Cisco routers deliver the performance, availability, and reliability required for scaling mission-critical business applications in the most demanding enterprise environments. Network Management Many Cisco routers are designed to support a modular platform with a broad range of interface options and up to /100 Mbps switch ports with optional Power over Ethernet (PoE), for providing DC power to network devices such as IP phones. Additionally, support for wireless LAN standards a/b/g and support for a Small Form-Factor Pluggable (SFP) port for Gigabit Ethernet is also built into many of the router models. Internet or WAN Connectivity Cisco routers have up to two 10/100/1000 Mbps built-in routed ports which can be configured to connect to an outside network, either the Internet or a WAN. Security The Cisco routers have built-in security and up to 2500 VPN tunnels. and Security Device Manager (SDM) offers simplified management. VOIP Cisco CallManager Express call-processing supports up to 240 Cisco IP phone users. Cisco Survivable Remote Site Telephony (SRST) offers support for up to 720 Cisco IP phone users, allowing the router to provide call-processing functionality to keep voice service in operation should the connection to Cisco CME be lost. The Sierra Wireless Airlink Raven X and Raven-E provide a cellular solution for primary or backup connectivity providing an unparalleled flexibility of location. The rugged design of AirLink modems makes them practical for any location, including industrial installations.

2 FIGURE 1. Backup Network Connectivity with a Raven X Flexible Location A router connected to a Raven X or Raven-E can be placed in a spot which cannot be or is not cost effective to be connected to a wired Internet solution. Quick Deployment Since the Raven X and Raven-E use a cellular network connection, there is no need to plan Ethernet wire drops. As soon as the modem is activated, it can connect to the cellular network and the router can provide Internet connectivity to the internal network. Versatility The Raven X or Raven-E can be used as the primary Internet access or, using routing configurations, as a fail-over for those times when a wired solution fails. Rugged Construction With a hardened case and an operating temperature range of -30 degrees C to +60 degrees C, the Sierra Wireless AirLink Raven X or Raven-E is suitable for industrial environments. Software Tools Enhanced with ALEOS intelligence, all AirLink modems come with a variety of industry leading software tools for remote monitoring, configuration, and trouble-shooting. Dynamic DNS One of the features of ALEOS is the ability to configure the Raven X or Raven-E to work with a dynamic DNS server. Even without a static IP, the AirLink modem can be contacted from anywhere on the Internet. Easy Configuration The step by step configuration outlined in this guide is only a basic configuration for the Sierra Wireless AirLink Raven X or Raven-E to be used with a Cisco router. Complex routing, two router fail-over configurations, NAT setup, proxy server, DHCP in the router, etc., are not covered. Note: A 3600 series router running IOS 12.2 (12a) was tested with this configuration; however, other Cisco routers with a similar configuration will also work. Sierra Wireless AirLink Solutions January

3 Attention: This document is intended to provide suggestions for communications setup only, and in no way commits Sierra Wireless to provide consulting, integration, or technical support for any Cisco router or the integration of such with any Sierra Wireless product. The assembly and integration of the Sierra Wireless Air- Link Raven X or Raven-E modem and the is the responsibility of a technology solutions integrator or end-customer, as neither Sierra Wireless nor Cisco sell or support such an integrated solution. Before You Start Your Sierra Wireless AirLink modem will only do one-to-one routing, passing messages from the cellular network directly to a single device, such as the Cisco router, connected to it. It cannot be configured to act as a router for more than that one device. Before you start your configuration, you will need to decide if you want your modem to pass the IP address it receives to the router (Public Mode) or if you want the modem and the router to be on a local network with a static IP which is not Internet routable (Private Mode). If you choose Private Mode, you will need IP addresses for both the router and the modem. The IP addresses will need to be on the same subnet and local to each other. Generally, you will want to use a x.x address for both. The third octet (set of numbers) will need to be the same and the last will need to be different. Example Private Mode IP address for the Raven X or Raven-E: Example Private Mode IP address for the Cisco router: Caution: If the modem and the router are going to be on a hub which is connected to a local network, you will need to be sure the addresses you select are not used by any other device on the network. Consult with your network administrator if you are unsure. Software Required AirLink Wireless Ace - Graphical interface for configuring Sierra Wireless AirLink modems. If you don t already have Wireless Ace, you can download the utility from the AirLink website: Terminal application - A terminal or terminal emulation application, such as Windows Hyper- Terminal, to communicate with the Cisco router. Software Recommended AceView - Status and connection monitor for your Sierra Wireless AirLink modem. You can download AceView from the AirLink website: AceNet - Multiple modem configuration and monitoring utility for all Sierra Wireless AirLink modems. With AceNet, you can save a working configuration in Wireless Ace and then load it into several modems concurrently saving time and ensuring all the modems are configured the same. AceNet is available for separate purchase from your Sierra Wireless representative. Hardware Required Ethernet Cable - A cross-over or straight through Ethernet cable. Sierra Wireless AirLink Solutions January

4 If you have a Raven X or if your computer is equipped with an auto-sensing Ethernet port, you have the option of using a straight-through Ethernet cable. Power supplies and a power source - You will need a power supply and power source for both the modem and the router. PC or Laptop - To configure the modem, you will need a computer with an available Ethernet port. Cellular Account Required Cellular Account - To use this guide you need to already have an active account with a cellular provider and to have activated your modem with that provider. Sierra Wireless AirLink modems are certified to work with a variety of cellular providers. If you need to activate your modem, you can use the Setup Wizard for your cellular provider which you can obtain from the AirLink website: Important Information about Cellular Networks Port blocking - Many cellular providers and other ISPs block ports below 1024 which are commonly used for many server protocols, including the SSH server (port 22 by default). If your provider blocks these ports, you will need to configure ports you can access, if you need remote access. Upload Speed - The 2G and early 3G cellular technologies (CDMA, GPRS, EDGE, iden, and EV-DO Rev0) have a much lower upload (transmit) speed than download. In addition, many cellular providers also throttle the upload speeds of devices connected to their networks. Even with good signal, it is not uncommon to see upload speeds of only 60 to 100kbps while you have download speeds in excess of 600kbps (2G) or 1000kbps (3G). Upload Speed for Cellular Broadband using the Raven X - One of the advantages of a Raven X vs. the Raven-E is the ability to connect at EV-DO Rev A or HSDPA speeds. EV-DO Rev A is an enhancement to EV-DO Rev 0 and not only improves the download speeds, 3.1Mbps maximum (1Mbps+ typically), but greatly increases the upload speed as well, 1.8Mbps maximum ( kbps typically). In areas without EV-DO Rev A coverage, the Raven X will fallback to EV-DO Rev 0, if it is available, or 1x. HSDPA is a huge speed increase over EDGE with download speed in excess of 1Mbps maximum ( kbps typically) and upload speed in of nearly 400kbps maximum ( kbps typically). In areas without HSDPA, the Raven X will fallback to UMTS, if it is available, EDGE, or GPRS. Signal Strength and Quality - The upload performance of your modem will also be heavily influenced by the signal strength and signal quality of the cellular connection in the installed location. If you do not have optimal signal, the upload speed can be greatly reduced. Sierra Wireless AirLink Solutions recommends an RSSI of -60 to -80 or better for optimal signal. However, even with a strong signal, if the modem is connecting to a particular cell site that has heavy data traffic to share the total available bandwidth to the cellular provider s network, the quality of the signal may be lower which can also impact the camera s remote performance. These two aspects are also referred to as the coverage and capacity for a specific location. Your cellular carrier s representative or your Sierra Wireless representative may be able to help you determine what is best for your installation. Sierra Wireless AirLink Solutions January

5 Configuring the Raven X or Raven-E 1. Connect your Raven X or Raven-E directly to the Ethernet port on your computer and to power. Start Wireless Ace and connect to your Raven X or Raven-E. 2. Start > All Programs > AirLink Communications > Wireless Ace 3G > Wireless Ace 3G a. Click on Connect. b. Select UDP. c. Type in the modem s local IP address (default is ). d. Type in the modem s password (default 12345). FIGURE 2. Wireless Ace: Connect If you don t know the IP of your modem, you can connect to it using the Ethernet option for Connect to Modem. Your modem should be automatically detected. 3. Select PPP/Ethernet from the menu on the left side of Wireless Ace (under Groups ). Private Mode In this mode, the Raven X or Raven-E communicates with the Cisco router via a static local IP address. a. Set the *HOSTPRIVMODE to 1. b. Set the *HOSTPRIVIP to the IP address for the router (in the example, ). c. Verify the *HOSTPEERIP is the local IP address of the modem (in the example this is ). d. Set the *HOSTNETMASK to the Subnet Mask (generally ). Sierra Wireless AirLink Solutions January

6 FIGURE 3. Wireless Ace: PPP/Ethernet 1 - Use Private IP Public Mode In this mode, the Raven X or Raven-E assigns the Cisco router the IP address it has received from your cellular provider. Set the *HOSTPRIVMODE to 0. FIGURE 4. Wireless Ace: PPP/Ethernet 0 - Use Public IP Raven X and Raven-E DHCP Server If the Raven X or Raven-E is going to be placed on a network which has a DHCP server, the internal DHCP server of the modem can be disabled. Set *DHCPSERVER to 2 - Enabled if no other DHCP server is detected. FIGURE 5. Wireless Ace: DHCP If you want to completely disable the DHCP server in the Raven X or Raven-E, you can only do so by using a terminal application to connect to the modem and using the *DHCPSERVER command to set it to 0. You cannot completely disable the DHCP server in Wireless Ace. When you have finished configuring the Ethernet settings, click the Write button on the tool bar 4. of Wireless Ace and wait for the message Write Successful to appear in the status bar. Sierra Wireless AirLink Solutions January

7 FIGURE 6. Wireless Ace: Write 5. Disconnect the Raven X or Raven-E from your computer. Configuring the The Cisco router has a few different configuration interfaces. This guide just provides the commands for the IOS command line interface. It is assumed your router is configured with the basic configuration. This guide only covers a basic connection with the AirLink Raven X or Raven-E and setting the modem up for the simplest of fail-overs. 1. Connect the Raven X or Raven-E to the. You may need to use a twisted pair cable. 2. Configure the routed Ethernet port(s). If there are two Ethernet ports on the router, you may need to configure both of them. Caution: If you have a router with two Ethernet ports, one of them may already be configured as your wired Internet connection. If so, do not change that configuration, only change the configuration for the port which will be used with the Raven X or Raven-E. Specify an IP address for a static route if you want by using ip address or set the interfaces to use DHCP (as shown in the example). Example: interface FastEthernet1/0 ip address dhcp duplex auto interface FastEthernet1/1 ip address dhcp duplex auto Ensure IP routing is enabled. If the configuration file says no ip routing then use ip routing to 3. configure it. Ensure the ethernet port(s) is getting an IP address. Use show ip route. 4. Sierra Wireless AirLink Solutions January

8 Test the Configuration Testing the configuration assures that the network behind the router can access the Internet with the Raven X or Raven-E. Two Routed Ethernet ports (fail-over) With a wired Internet connection to one of your router s Ethernet ports and the modem on the other Ethernet port, disconnect the cable from the Ethernet port connected to the wired connection. Attempt to reach an Internet location with a ping, browsing a web page, etc., with a computers connected to the router. The router should continue to route traffic to the outside. One Routed Ethernet port (cellular Internet or WAN connectivity) With the modem connected to the router s Ethernet port, attempt to reach an Internet location with a ping, browsing a web page, etc., with a computers connected to the router. Sample Basic Configuration File This is a sample configuration file for a simple Fail-over configuration on a 3600 series router running IOS 12.2 (12a). Using 716 out of bytes version 12.2 service timestamps debug uptime service timestamps log uptime no service password-encryption hostname 3600 enable secret 5 XXX enable password XXX ip subnet-zero call rsvp-sync interface FastEthernet1/0 ip address dhcp half-duplex interface Serial1/0 no ip address shutdown clockrate interface FastEthernet1/1 ip address dhcp duplex auto interface Serial1/1 no ip address shutdown shutdown interface Serial1/2 no ip address shutdown clockrate ip classless ip http server dial-peer cor custom line con 0 line aux 0 line vty 0 4 password virtual login end Sierra Wireless AirLink Solutions January

9 Sample Basic GRE Tunnel Configuration Files These are a sample configuration files for a simple GRE tunnel configuration. The Host router and the Remote router both need to be configured. Host interface FastEthernet0/1 description connected to EVDO modem WWAN backup ip address X.X duplex auto interface Tunnel1 description backup tunnel to Remote ip unnumbered FastEthernet0/0 (local LAN interface) ip access-group wwan_backup out load-interval 30 tunnel source FastEthernet0/1 tunnel destination X.X interface Tunnel2 description backup tunnel to Remote 2 ip unnumbered FastEthernet0/0 (local LAN interface) ip access-group wwan_backup out load-interval 30 tunnel source FastEthernet0/1 tunnel destination X.X router eirp 100 passive-interface tunnel1 passive-interface tunnel2 ip route X.X FastEthernet0/1 (tunnel destination to remote) ip route X.X Tunnel1 200 ip route X.X FastEthernet0/1 (tunnel destination remote 2) ip route X.X Tunnel2 200 (only permits: icmp, smtp, IMAP, POP3, FTP & Telnet) ip access-list extended wwan_backup permit tcp any any eq 25 permit tcp any any eq 143 permit tcp any any eq 110 permit tcp any any eq 21 permit tcp any any eq 20 permit tcp any any eq 23 permit icmp any any Remote interface FastEthernet0/1 description connected to EVDO modem WWAN backup ip address X.X duplex auto interface Tunnel1 description backup tunnel to Host ip unnumbered FastEthernet0/0 (local LAN interface) ip access-group wwan_backup out load-interval 30 tunnel source FastEthernet0/1 tunnel destination X.X router eirp 100 passive-interface tunnel1 Sierra Wireless AirLink Solutions January

10 ip route X.X FastEthernet0/1 (tunnel destination to Host) ip route X.X Tunnel1 200 ip route X.X Tunnel1 200 ip route Tunnel1 200 (only permits: icmp, smtp, IMAP, POP3, FTP & Telnet) ip access-list extended wwan_backup permit tcp any any eq 25 permit tcp any any eq 143 permit tcp any any eq 110 permit tcp any any eq 21 permit tcp any any eq 20 permit tcp any any eq 23 permit icmp any any Additional Cisco Sample Configuration Scripts You may be able to find additional sample scripts for different configuration types on the Cisco website: AirLink Solutions Technical Support If you encounter problems with operation of your Host RJ-11 IP Gateway or Raven-E (as applicable), Sierra Wireless product, the support staff of Sierra Wireless AirLink Solutions can help. RJ- 11 IP Gateway ou Raven-E, Caution: The configuration suggestions offered in this guide are not supported nor is any equipment other than Sierra Wireless products. Only the operation of the modem or software obtained directly from Sierra Wireless is supported. Refer to the User Guide for your modem or the Sierra Wireless AirLink Solutions website for Sierra Wireless product warranties. Sierra Wireless AirLink Solutions Support Web Site The web site is updated frequently with Setup Wizards, Utilities, How-To Guides, and other documentation: Documentation and Guides User Guides - These guides are specific to your modem type, cellular provider, and cellular technology and contain comprehensive information about the operation of the modem and its features. Quick Start guides - These guides are also specific to the modem type, cellular provider, and cellular technology and are a step by step guide to activating the modem using the Setup Wizard or other steps as applicable. Utility Guides - These guides focus on the features of one of the modem utilities: Wireless Ace, AceView, AceNet, Modem Doctor, etc. Sierra Wireless AirLink Solutions January

11 Application Notes and How-To Guides - These guides detail configuring the modem to work with a specific feature set or how the modem can be set up to work with a specific 3rd party (non-sierra Wireless) device. Data Sheets and White Papers - These are technology based information documents. Contacting Technical Support For support assistance please support@sierrawireless.com or call (877) Monday through Friday 5 AM to 5 PM Pacific Time (8 AM to 8 PM Eastern Time). Support is not available weekends or holidays. (877) Information in this document is subject to change without notice. Copyright Sierra Wireless AirLink Solutions, Inc., All rights reserved. Sierra Wireless AirLink Solutions January