H3C S9500 Series Bedienungsanleitung

Operation Manual – IPv6 Static Routing

H3C S9500 Series Routing Switches Table of Contents

Table of Contents

Chapter 1 IPv6 Static Routing Configuration ............................................................................. 1-1

1.1 Introduction to IPv6 Static Routing ....................................................................................1-1

1.1.1 Features of IPv6 Static Routes ...............................................................................1-1

1.1.2 Default IPv6 Route..................................................................................................1-1

1.2 Configuring an IPv6 Static Route.......................................................................................1-2

1.2.1 Configuration prerequisites.....................................................................................1-2

1.2.2 Configuring an IPv6 Static Route............................................................................1-2

1.3 Displaying and Maintaining IPv6 Static Routes.................................................................1-2

1.4 IPv6 Static Routing Configuration Example.......................................................................1-3

Operation Manual – IPv6 Static Routing

H3C S9500 Series Routing Switches Chapter 1 IPv6 Static Routing Configuration

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Chapter 1 IPv6 Static Routing Configuration

When configuring IPv6 Static Routing, go to these sections for information you are

interested in:

zIntroduction to IPv6 Static Routing

zConfiguring an IPv6 Static Route

zDisplaying and Maintaining IPv6 Static Routes

zIPv6 Static Routing Configuration Example

Note:

The term “router” in this document refers to either a router in a generic sense or an

Ethernet switch running routing protocols.

1.1 Introduction to IPv6 Static Routing

Static routes are special routes that aremanually configured by network administrators.

They work well in simple networks. Configuring and using them properly can improve

the performance of networks and guarantee enough bandwidth for important

applications.

However, static routes also have shortcomings: any topology changes could result in

unavailable routes, requiring the network administrator to manually configure and

modify the static routes.

1.1.1 Features of IPv6 Static Routes

Similar to IPv4 static routes, IPv6 static routes work well in simple IPv6 network

environments.

Their major difference lies in the destination and next hop addresses. IPv6 static routes

use IPv6 addresses whereas IPv4 static routes use IPv4 addresses. Currently, IPv6

static routes do not support VPN instance.

1.1.2 Default IPv6 Route

The IPv6 static route that has the destination address configured as “::/0” (indicating a

prefix length of 0) is the default IPv6 route. If the destination address of an IPv6 packet

does not match any entry in the routing table, this default route will be used to forward

the packet.

Operation Manual – IPv6 Static Routing

H3C S9500 Series Routing Switches Chapter 1 IPv6 Static Routing Configuration

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1.2 Configuring an IPv6 Static Route

In small IPv6 networks, IPv6 static routes can be used to forward packets. In

comparison to dynamic routes, it helps to save network bandwidth.

1.2.1 Configuration prerequisites

zConfiguring parameters for the related interfaces

zConfiguring link layer attributes for the related interfaces

zEnabling IPv6 packet forwarding

zEnsuring that the neighboring nodes are IPv6 reachable

1.2.2 Configuring an IPv6 Static Route

To do… Use the commands… Remarks

Enter system view System-view —

Configure an IPv6 static

route with the output

interface being a

broadcast or NBMA

interface

ipv6 route-static ipv6-address

prefix-length [ interface-type

interface-number ]

nexthop-address [ preference

preference-value ]

Configure an IPv6 static

route with the output

interface being a

point-to-point interface

ipv6 route-static ipv6-address

prefix-length { interface-type

interface-number |

nexthop-address } [ preference

preference-value ]

Required

Not configured by

default

The default

preference of IPv6

static routes is 60.

Note:

While configuring a static route, you can configure either the output interface or the

next-hop address depending on the situations:

zIf the output interface is a broadcast interface, or an NBMA interface, the next hop

address must be specified.

zIf the output interface is a point-to-point interface, you can specify either the output

interface or the next hop address, but not both.

1.3 Displaying and Maintaining IPv6 Static Routes

To do… Use the command… Remarks

Display IPv6 static route

information

display ipv6 routing-table

protocol static [ inactive |

verbose ]Available in any view

Operation Manual – IPv6 Static Routing

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To do… Use the command… Remarks

Remove all IPv6 static

routes delete ipv6 static-routes

all Available in system

view

Note:

Using the undo ipv6 route-static command can delete asingle IPv6 static route, while

using the delete ipv6 static-routes all command deletes all IPv6 static routes

including the default route.

1.4 IPv6 Static Routing Configuration Example

I. Network requirements

With IPv6 static routes configured, all hosts and switches can interact with each other.

II. Network diagram

Figure 1-1 Network diagram for static routes (on switches)

III. Configuration procedure

1) Configure the IPv6 addresses of all VLAN interfaces (Omitted)

2) Configure IPv6 static routes.

# Configure the default IPv6 static route on SwitchA.

<SwitchA> system-view

[SwitchA] ipv6 route-static :: 0 4::2

# Configure two IPv6 static routes on Switch B.

<SwitchB> system-view

[SwitchB] ipv6 route-static 1:: 64 4::1

Operation Manual – IPv6 Static Routing

H3C S9500 Series Routing Switches Chapter 1 IPv6 Static Routing Configuration

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[SwitchB] ipv6 route-static 3:: 64 5::1

# Configure the default IPv6 static route on Switch C.

<SwitchC> system-view

[SwitchC] ipv6 route-static :: 0 5::2

3) Configure the IPv6 addresses of hosts and gateways.

Configure the IPv6 addresses of all the hosts based upon the network diagram,

configure the default gateway of HostA as 1::1, that of Host B as 2::1, and that of Host

C as 3::1.

4) Display configuration information

# Display the IPv6 routing table of SwitchA.

[SwitchA] display ipv6 routing-table

Routing Table :

Destinations : 5 Routes : 5

Destination : ::/128 Protocol : Static

NextHop : FE80::510A:0:8D7:1 Preference : 60

Interface : Vlan-interface200 Cost : 0

Destination : ::1/128 Protocol : Direct

NextHop : ::1 Preference : 0

Interface : InLoop0 Cost : 0

Destination : 1::/64 Protocol : Direct

NextHop : 1::1 Preference : 0

Interface : Vlan-interface100 Cost : 0

Destination : 1::1/64 Protocol : Direct

NextHop : ::1 Preference : 0

Interface : InLoop0 Cost : 0

Destination : FE80::/64 Protocol : Direct

NextHop : :: Preference : 0

Interface : NULL0 Cost : 0

# Verify the connectivity with the ping command.

[SwitchA] ping ipv6 3::1

PING 3::1 : 56 data bytes, press CTRL_C to break

Reply from 3::1

bytes=56 Sequence=1 hop limit=254 time = 63 ms

Reply from 3::1

bytes=56 Sequence=2 hop limit=254 time = 62 ms

Operation Manual – IPv6 Static Routing

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Reply from 3::1

bytes=56 Sequence=3 hop limit=254 time = 62 ms

Reply from 3::1

bytes=56 Sequence=4 hop limit=254 time = 63 ms

Reply from 3::1

bytes=56 Sequence=5 hop limit=254 time = 63 ms

--- 3::1 ping statistics ---

5 packet(s) transmitted

5 packet(s) received

0.00% packet loss

round-trip min/avg/max = 62/62/63 ms

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