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ZebOS® Server Routing Suite Product FAQ
General Information
Q. What is the ZebOS® Server Routing Suite (SRS)?
A. The ZebOS Server Routing Suite is an advanced routing
solution for servers and appliances. Targeted at enterprises,
telecommunication companies and service providers, the
ZebOS Server Routing Suite provides dynamic route
updates, high availability, route monitoring, and flexible
integration with other server applications. ZebOS SRS
supports a broad range of IPv4 and IPv6 routing, switching,
and multicast protocols and features an industry-standard
command line interface. IP Infusion’s intelligent networking
software is one of the most reliable, widely used, and full-
featured enhanced IP service solutions available today.
Q. What operating systems does ZebOS SRS support?
A. ZebOS SRS currently supports Linux 2.4.x, Solaris 2.8
and FreeBSD 4.4 - 4.6. IP Infusion plans to support add-
itional operating systems in the future.
Q. What is the pricing and availability for ZebOS SRS?
A. IP Infusion offers the following ZebOS SRS suites for
Linux, Solaris, and FreeBSD systems:
• IPv4 suite - RIPv1, RIPv2, OSPFv2 and BGP-4 protocols
• IPv6 suite - RIPng, OSPFv3 and BGP-4+ protocols
IP Infusion offers the following suites for Linux 2.4.18
systems:
• MPLS-VPN suite - RIP, OSPF, BGP, BGP-VPN extensions,
LDP switching, and an MPLS Ethernet forwarder patch.
• PIM-SM suite - PIM and PIM-SM multicast kernel sub-
stitution files. The IPv4 suite is a prerequisite for PIM-SM.
Q. What documentation is provided with ZebOS SRS?
A. IP Infusion provides an extensive set of documentation,
including a ZebOS SRS Installation and Management
Guide, a ZebOS SRS Configuration Guide, and
comprehensive command reference guides.
IP InfusionProduct FAQ
Q. What support services are available for ZebOS SRS?
A. IP Infusion offers a portfolio of technical support
services for the ZebOS Server Routing Suite. IP Infusion
provides annual site support and per incident support
programs. IP Infusion’s technical support team is
comprised of highly skilled network and routing engineers
with expert knowledge of IP infusion’s IPv4 and IPv6
routing, switching and multicast protocols. ZebOS SRS
support services include:
• Registered access to IP Infusion’s web-based technical
assistance site.
• Access to IP Infusion’s PVCS call tracking system. Using
PVCS, you may request technical support and check the
status of your cases.
• Product documentation and troubleshooting information
• Software maintenance releases.
Please see the Support section of the IP Infusion web site
for more details on our support services.
Q. If I am a ZebOS SRS customer, how do I get the latest
software release?
A. IP Infusion is committed to providing software
enhancements and maintenance releases to meet our
customers’ current and future requirements. If you
purchase an annual site or per incident support contract,
you will receive software maintenance releases. If you
purchase a site support contract, you will also receive any
major software upgrades in addition to maintenance
releases. If you are not covered under a site support
contract, you may purchase ZebOS SRS upgrade licenses
to upgrade your current ZebOS SRS software to the
newest software release.
Q. How is the ZebOS Server Routing Suite architected?
A. IP Infusion's routing protocols are built on top of the
ZebOS Network Services Module (NSM) which provides
route table management, route conversion, and route
suite also includes BGP-VPN extensions and an MPLS
Ethernet Forwarder module. The MPLS-VPN suite is
available for Red Hat Linux 2.4.18 systems.
Service providers have adopted MPLS, or Multiprotocol
Label Switching, technology because it offers many
benefits for core networks. MPLS combines the
simplified forwarding of Layer 2 switching with the
scalability and intelligence of Layer 3 routing. It
provides greater reliability under all network conditions
and offers faster forwarding performance than typical
Layer 3 routing. But the greatest advantage of MPLS is
the additional services that it enables, such as Traffic
Engineering and Virtual Private Networking (VPN).
MPLS-VPN allows service providers to build and
provision affordable VPNs across their IP backbones.
Managed VPN services provide high-margin
incremental revenue for service providers. And MPLS-
VPNs offer greater scalability than frame relay or ATM
by allowing new VPN networks to be easily meshed
together. MPLS-VPNs can support multiple QoS classes
to ensure greater reliability for sensitive streaming
data, VoIP, and video traffic.
Q. Does ZebOS SRS support multicast?
A. Yes, IP Infusion’s Protocol Independent Multicast-
Sparse Mode (PIM-SM) routing suite allows
organizations to provision scalable multicast routing on
standard servers and appliances. The PIM-SM suite
supports Static Rendezvous Point configuration,
Reverse Path Forwarding algorithm, rooted multicast
delivery trees, IGMPv2, neighbor discovery, Bootstrap
Router election, Candidate-RP advertisements, and
SNMP management support through PIM-SM MIBs. It
also provides a flexible, inexpensive way for
organizations to deploy a PIM-SM multicast network or
to support PIM-SM pass-through on firewalls or other
network devices.
PIM-SM routes multicast packets to selected groups
and distributes content efficiently across wide area
networks.
ZebOS SRS Product FAQ
redistribution. Its scalable, modular architecture allows all
of the routing protocols to operate independently, enabling
new routing protocols to be added or upgraded without
affecting other routing processes.
IP Infusion’s management interface centralizes the config-
uration of all of the routing protocols through an integrated
command line interface. In addition, all configuration
settings are saved to a single configuration file.
ZebOS Server Routing Suite Technology
Q. What RFCs does the ZebOS SRS support?
A. IP Infusion is committed to supporting the latest Internet
Engineering Task Force (IETF) standards to ensure interoper-
ability with other routing vendors. Please see the following
list of IETF RFCs and RFC drafts supported by ZebOS SRS.
Q. Does ZebOS SRS support IPv6? Why is IPv6 important?
A. Yes. IP Infusion provides robust implementations of
OSPFv3, BGP-4+, and RIPng and supports native IPv6 and
IPv4/IPv6 dual routing stack solutions. IP Infusion's routing
products were designed from the ground up to support
both IPv4 and IPv6, so the IPv6 routing protocols utilize
memory and processing resources efficiently and they can
seamlessly communicate with IPv4 routing protocols and
with other IPv6 routing protocols. IP Infusion's robust IPv6
routing solution allows organizations to evaluate and
deploy IPv6 routing without purchasing dedicated
equipment or disrupting their production networks.
Internet Protocol version 6 (IPv6) is the new IP address
standard recommended by the Internet Engineering Task
Force (IETF) to replace the current IPv4 standard. IPv6
resolves several limitations present in today’s IPv4 address
standard: IPv6 increases the number of available IP
addresses, improves mobile IP support, and adds new
authentication, encryption, and QoS capabilities.
Q. Does ZebOS SRS support MPLS-VPN? Why is MPLS-
VPN important?
A. Yes, IP Infusion provides MPLS-VPN switching
capabilities to ZebOS SRS customers. The MPLS-VPN suite
includes LDP switching and RIP, OSPF, and BGP routing. The
To start all routing protocols, log into the ZebOS SRS
system as a root user and type: “./start-sh all”. This
will start all routing daemons and the SNMP agent.
To start an individual routing daemon, type “./start-sh
<protocol daemon>” where <protocol daemon> is nsm or
bgpd or any other routing daemon. Be sure that nsm has
been started before starting individual routing daemons.
To start a routing suite, type “./start-sh <server suite>”
where <server suite> is ipv4, ipv6, mpls-vpn or pim-sm.
The stop script commands are similar to the start scripts.
For example, the “./stop-sh all” command will stop
all routing daemons and the SNMP agent. Please refer to
Chapter 6 of the ZebOS SRS Installation and Management
Guide for more information.
Q. Why aren’t my configuration settings being saved
when I restart ZebOS SRS?
A. There are two typical reasons why you may lose your
settings when you shutdown and restart the ZebOS SRS
application. If you do not save your running configuration
to the startup configuration, then any changes will be lost
when the application is stopped. To save your running
configuration, type "write file”, “write memory” or
“copy running-config startup-config” from the
privileged executive mode in the CLI.
If you have saved your configuration to the ZebOS.conf
file in the /usr/local/etc directory, but the
configuration is not loaded when you launch the routing
daemons, then you may be launching the daemons
incorrectly. The start-sh script, the recommended
method to launch ZebOS SRS, will automatically load the
configuration settings. If you wish to start the routing
daemons manually, then you must enter the command
“./vtysh -b” after starting the daemons. This command
will load the configuration settings from the ZebOS.conf
file into the routing daemons.
ZebOS SRS Product FAQ
Q. How does IP Infusion test the functionality and
interoperability of the ZebOS Server Routing Suite?
A. IP Infusion extensively tests ZebOS SRS on Solaris,
Linux, and FreeBSD servers and appliances. IP Infusion
performs thorough interoperability testing using IXIA’s
ANVL conformance testing equipment and performance
testing using IXIA’s performance testing tools. IP Infusion
also tests interoperability between ZebOS SRS and routing
equipment from leading routing equipment vendors. IP
Infusion submits its full suite of routing protocols to the
University of New Hampshire InterOperability Labs and
participates in MPLS and IPv6 testing and interoperability
conferences. IP Infusion’s sales managers can provide
detailed performance analysis reports upon request.
Q. Does ZebOS SRS include SNMP MIBs and SNMP traps?
A. Yes, ZebOS SRS supports SNMP management through
IETF compliant SNMP MIBs. SNMP set, get, and get_next
have been implemented for RIP, OSPF, BGP, and PIM-SM
routing protocols. SNMP get and get_next has been
implemented for the LDP switching protocol. In addition,
BGP and PIM-SM support SNMP traps.
Troubleshooting and Technical Information
Q. I just installed ZebOS SRS. Why don’t I have a ZebOS
configuration file?
A. The ZebOS Server Routing Suite does not include a
default configuration file. To create an initial configuration
file, log into the ZebOS command line interface. Then type
“write file” or “copy running-config startup-
config”. Either of these commands will save the running
configuration to a ZebOS.conf file in the /usr/local/etc
directory.
Q. How do I start and stop the ZebOS SRS software?
A. ZebOS SRS includes start-sh and stop-sh scripts that
launch and kill the ZebOS SRS routing daemons. These
scripts are saved to the /usr/local/sbin directory
during installation.
Note: Do not move the routing daemons from their default
location /usr/local/sbin.
Q. Why do I see a license manager error when I try to start
ZebOS SRS?
A. The ZebOS SRS software includes a license manager.
When the ZebOS SRS software is installed, an “ipilc”
license key file is copied to the /usr/local/sbin folder.
For evaluation customers, the trial will expire after 30 days.
When you try to start ZebOS SRS, if you see the following
error message, then your 30-day trial has expired.
2004/01/28 15:15:16 RIP: Unable to obtain
license manager library
If you have just installed the software, you may see an
error message similar to the following:
/usr/local/sbin/ipilc:License file cannot be
found or opened
2003/01/28 15:04:34 RIP : Unable to initialize
license manager library.
If you see this message, then the routing daemon could
not find the “ipilc” file. The install script copies the
license key file to the /usr/local/sbin directory. If you
deleted the license key file or did not use the install-sh
script to install ZebOS SRS, then be sure to copy the
“ipilc” file from the unzipped ZebOS SRS tar file to the
/usr/local/sbin directory.
ZebOS SRS Product FAQ
Copyright 2003 IP Infusion Inc. All Rights Re served.
Part N o. 0200007 - 4/ 2003
IP Infusion Inc.111 W. St. John Street Suite 910San Jose, CA 95113tel: 408.794.1500fax: 408.278.0521marketing@ipinfusion.comwww.ipinfusion.commarketing@ipinfusion.comwww.ipinfusion.commarketing@ipinfusion.comwww.ipinfusion.com
Q. How do I access the ZebOS SRS command line interface?
A. You can access the ZebOS SRS CLI through a standard
Telnet or SSH session. For Telnet access, type "telnet
<ZebOS server IP address>”. Be sure that the Telnet
service is installed and enabled on the ZebOS SRS server.
Also verify that the Telnet service, TCP port 23, is not
blocked by a firewall application on the ZebOS SRS server.
Before you log into the command line interface, you must
define a VTYSH username and password. The VTYSH user
account is created when you first install the ZebOS SRS
software.
You can also manage ZebOS SRS through the VTYSH
daemon. To start VTYSH locally, type “./vtysh” from the
/usr/local/sbin directory. The VTYSH daemon will
launch the ZebOS SRS command line interface.
Q. When I change my system’s IP settings through the
kernel, the changes are not recognized by ZebOS SRS.
What should I do?
A. ZebOS SRS has the ability to periodically check the IP
settings of the system. To enable periodic system checking,
type “if-arbiter” from the configure mode in the CLI. If
a network interface is modified through the kernel, then
the if-arbiter facility will detect the change and update the
ZebOS SRS configuration.
ZebOS is a registered trademark , IP Infusion and the ipinfusion logo are trademarks of IP Infusion Inc. All other brands or product names are trademarks or registered trademarks of their respective holders. All specifications within this document are subject to change without notice.
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