H3C S9500 Series Manuale utente
Operation Manual – IPv6 Static Routing
H3C S9500 Series Routing Switches Table of Contents
i
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
H3C S9500 Series Routing Switches Chapter 1 IPv6 Static Routing Configuration
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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
H3C S9500 Series Routing Switches Chapter 1 IPv6 Static Routing Configuration
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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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