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HP 5500 Ei 5500 Si Switch Series Configuration Guide

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Figure 44 Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] ipv6 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ipv6 address fe80::1 link-local 
[SwitchA-Vlan-interface2] ipv6 address 1::1 64 
# Create a VRRP group 1 and set its virt ual IPv6 addresses to FE80::10 and 1::10. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
# Set the priority of Switch A in VRRP group 1 to  110, which is higher than that of Switch B (100), 
so that Switch A can become the master. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 priority 110 
# Configure Switch A to operate in preemptive mode so that it can become the master whenever 
it works normally, and configure the preemption de lay as five seconds to avoid frequent status 
switchover. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 
# Enable Switch A to send RA messages, so that  Host A can learn the default gateway address. 
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt 
2. Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] ipv6 
[SwitchB] vlan 2 
[SwitchB-vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit
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[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ipv6 address fe80::2 link-local 
[SwitchB-Vlan-interface2] ipv6 address 1::2 64 
# Create a VRRP group 1 and set its virtual IPv6 addresses to FE80::10 and 1::10. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
# Configure Switch B to operate in preemptive mo de, with the preemption delay set to 5 seconds. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 
# Enable Switch B to send RA messages, so that Host A can learn the default gateway address. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 
3. Verify the configuration: 
A f t e r  t h e  c o nf i g u r a t i o n ,  H o s t B  c a n  be  p i ng e d  s u c c e s s f u l l y  o n  H o s t  A .  T o  v e r i f y  yo u r  c o n f i g u r a t i o n , 
use the  display vrrp ipv6 verbose  command. 
# Display the detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::1 
# Display the detailed information about VRRP group 1 on Switch B. 
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose 
IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Become Master  : 4200ms left 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Master IP      : FE80::1 
The output shows that in VRRP group 1 Switch A  is the master, Switch B is the backup and packets 
sent from Host A to Host B are forwarded by Switch A.
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When Switch A fails, you can still successfully ping Host B on Host A. To view the detailed 
information about the VRRP group on Switch B, use the display vrrp ipv6 verbose command. 
# When Switch A fails, the detailed information  about VRRP group 1 on Switch B is displayed. 
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Master 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::2 
The output shows that when Switch A fails, Switch B becomes the master, and packets sent from 
Host A to Host B are forwarded by Switch B. 
# After Switch A resumes normal operation, use the  display vrrp ipv6 verbose  command to display 
the detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::1 
The output shows that after Switch A resumes  normal operation, it becomes the master, and 
packets sent from host A to host B are forwarded by Switch A. 
VRRP interface tracking configuration example 
Network requirements 
•   Switch A and Switch B belong to VRRP group 1 with the virtual IP addresses of 1::10/64 and 
FE80::10. 
•   Host A wants to access Host B on the Internet, and learns 1::10/64 as its default gateway through 
RA messages sent by the switches.
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•  When Switch A operates normally, packets sent from Host A to Host B are forwarded by Switch A. 
If VLAN-interface 3 through which Switch A connects to the Internet is not available, packets sent 
from Host A to Host B are forwarded by Switch B. 
•   To prevent attacks to the VRRP group from illegal users by using spoofed packets, configure the 
authentication mode as plain text to authenticate the VRRP packets in VRRP group 1, and specify the 
authentication key as  hello. 
Figure 45  Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] ipv6 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ipv6 address fe80::1 link-local 
[SwitchA-Vlan-interface2] ipv6 address 1::1 64 
# Create a VRRP group 1 and set its virt ual IPv6 addresses to FE80::10 and 1::10. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
# Set the priority of Switch A in VRRP group 1 to  110, which is higher than that of Switch B (100), 
so that Switch A can become the master. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 priority 110 
# Set the authentication mode for VRRP group 1 to  simple and authentication key to  hello. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 authentication-mode simple he\
llo 
# Set the VRRP advertisement  interval to 400 centiseconds. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 timer advertise 400 
# Configure Switch A to operate in preemptive mode , so that it can become the master whenever 
it works normally; configure the preemption delay as five seconds to avoid frequent status 
switchover.
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[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 
# Set VLAN-interface 3 on Switch A to be tracked, and configure the amount by which the priority 
value decreases to be more than 10 (30 in this example), so that when VLAN interface 3 fails, the 
priority of Switch A in VRRP group 1 decreases  to a value lower than 100 and thus Switch B can 
become the master. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 track interface vlan-interface 3 reduced 
30 
# Enable Switch A to send RA messages, so that  Host A can learn the default gateway address. 
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt 
2. Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] ipv6 
[SwitchB] vlan 2 
[SwitchB-vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit 
[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ipv6 address fe80::2 link-local 
[SwitchB-Vlan-interface2] ipv6 address 1::2 64 
# Create a VRRP group 1 and set its virt ual IPv6 addresses to FE80::10 and 1::10. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
# Set the authentication mode for VRRP group 1 to  simple and authentication key to  hello. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 authentication-mode simple he\
llo 
# Set the VRRP advertisement  interval to 400 centiseconds. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 timer advertise 400 
# Configure Switch B to operate in preemptive mode, so that Switch B can become the master after 
the priority of Switch A decreases to a value lo wer than 100. Configure the preemption delay as 
five seconds to avoid freq uent status switchover.  
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 
# Enable Switch B to send RA messages, so that  Host A can learn the default gateway address. 
[SwitchB-Vlan-interface2] undo ipv6 nd ra halt 
3. Verify the configuration: 
After the configuration, Host B can be pinged successfully on Host A. To verify the configuration, 
use the  display vrrp ipv6 verbose  command. 
# Display the detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 400 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5
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     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::1 
   VRRP Track Information: 
     Track Interface: Vlan3          State : Up                Pri Reduc\
ed : 30 
# Display the detailed information about VRRP group 1 on Switch B. 
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 400 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Become Master  : 4200ms left 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : FE80::10 
                      1::10 
     Master IP      : FE80::1 
The output shows that in VRRP group 1 Switch A is the master, Switch B is the backup and packets 
sent from Host A to Host B are forwarded by Switch A. 
When interface VLAN-interface 3 on Switch A is not available, you can still ping Host B 
successfully on Host A. To view the detailed information about the VRRP group, use the  display 
vrrp ipv6 verbose  command. 
# When interface VLAN-interface 3 on Switch A is  not available, the detailed information about 
VRRP group 1 on Switch A is displayed. 
[SwitchA-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 400 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 110             Running Pri  : 80 
     Preempt Mode   : Yes             Delay Time   : 5 
     Become Master  : 4200ms left 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : FE80::10 
                      1::10 
     Master IP      : FE80::2 
   VRRP Track Information: 
     Track Interface: Vlan3        State : Down              Pri Reduced\
 : 30
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# When interface VLAN-interface 3 on Switch A is not available, the detailed information about 
VRRP group 1 on Switch B is displayed. 
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 400 
     Admin Status   : Up              State        : Master 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::2 
The output shows that when VLAN-interface 3 on Sw itch A is not available, the priority of Switch 
A is reduced to 80 and Switch A becomes the backup. Switch B becomes the master and packets 
sent from Host A to Host B are forwarded by Switch B. 
VRRP with multiple VLANs configuration example 
Network requirements 
•   Switch A and Switch B belong to both VRRP group 1 and VRRP group 2. The virtual IPv6 addresses 
of VRRP group 1 are 1::10/64 and FE80::10, and those of VRRP group 2 are 2::10/64 and 
FE90::10. 
•   Hosts in VLAN 2 learn 1::10/64 as their default gateway and hosts in VLAN 3 learn 2::10/64 as 
their default gateway through RA messages sent by the switches. 
•   In VRRP group 1, Switch A has a higher priority than Switch B. In VRRP group 2, Switch B has a 
higher priority than Switch A. In this case, hosts in VLAN 2 and VLAN 3 can communicate with 
external networks through Switch A and Switch B, respectively, and when Switch A or Switch B fails, 
the hosts can use the other switch to communicate with external networks to avoid communication 
interruption.
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Figure 46 Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] ipv6 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ipv6 address fe80::1 link-local 
[SwitchA-Vlan-interface2] ipv6 address 1::1 64 
# Create VRRP group 1 and set its virtual IPv6 addresses to FE80::10 to 1::10. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
# Set the priority of Switch A in VRRP group 1 to  110, which is higher than that of Switch B (100), 
so that Switch A can become the master in VRRP group 1. 
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 priority 110 
[SwitchA-Vlan-interface2] quit 
# Enable Switch A to send RA messages, so that hosts in VLAN 2 can learn the default gateway 
address. 
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt 
[SwitchA-Vlan-interface2] quit 
# Configure VLAN 3. 
[SwitchA] vlan 3 
[SwitchA-vlan3] port gigabitethernet 1/0/6 
[SwitchA-vlan3] quit 
[SwitchA] interface vlan-interface 3 
[SwitchA-Vlan-interface3] ipv6 address fe90::1 link-local 
[SwitchA-Vlan-interface3] ipv6 address 2::1 64 
Switch A
Switch B
Virtual IPv6 address 1:  FE80::101::10/64
Virtual IPv6 address 2:  FE90::102::10/64
Vlan-int2 FE80::1
1::1/64
Vlan-int2 FE80::21::2/64
Internet
VLAN 2
Gateway: 1::10/64
VLAN 3
Gateway: 2::10/64
Vlan-int3
FE90::1 2::1/64
Vlan-int3FE90::2 2::2/64
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# Create VRRP group 2 and set its virtual IPv6 addresses to FE90::10 and 2::10. 
[SwitchA-Vlan-interface3] vrrp ipv6 vrid 2 virtual-ip fe90::10 link-loca\
l 
[SwitchA-Vlan-interface3] vrrp ipv6 vrid 2 virtual-ip 2::10 
# Enable Switch A to send RA messages, so that hosts in VLAN 3 can learn the default gateway 
address. 
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt 
2. Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] ipv6 
[SwitchB-vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit 
[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ipv6 address fe80::2 link-local 
[SwitchB-Vlan-interface2] ipv6 address 1::2 64 
# Create VRRP group 1 and set its virtual IPv6 addresses to FE80::10 and 1::10. 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-loca\
l 
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 
[SwitchB-Vlan-interface2] quit 
# Enable Switch B to send RA messages, so that hosts in VLAN 2 can learn the default gateway 
address. 
[SwitchB-Vlan-interface2] undo ipv6 nd ra halt 
[SwitchB-Vlan-interface2] quit 
# Configure VLAN 3. 
[SwitchB] vlan 3 
[SwitchB-vlan3] port gigabitethernet 1/0/6 
[SwitchB-vlan3] quit 
[SwitchB] interface vlan-interface 3 
[SwitchB-Vlan-interface3] ipv6 address fe90::2 link-local 
[SwitchB-Vlan-interface3] ipv6 address 2::2 64 
# Create VRRP group 2 and set its virtual IPv6 addresses to FE90::10 and 2::10. 
[SwitchB-Vlan-interface3] vrrp ipv6 vrid 2 virtual-ip fe90::10 link-loca\
l 
[SwitchB-Vlan-interface3] vrrp ipv6 vrid 2 virtual-ip 2::10 
# Set the priority of Switch B in VRRP group 2 to  110, which is higher than that of Switch A (100), 
so that Switch B can become the master in VRRP group 2. 
[SwitchB-Vlan-interface3] vrrp ipv6 vrid 2 priority 110 
# Enable Switch B to send RA messages, so that hosts in VLAN 3 can learn the default gateway 
address. 
[SwitchB-Vlan-interface3] undo ipv6 nd ra halt 
3.  Verify the configuration: 
To verify the configuration, use the  display vrrp ipv6 verbose command. 
# Display the detailed information about the VRRP group on Switch A. 
[SwitchA-Vlan-interface3] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC
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 Total number of virtual routers : 2 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 0 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Virtual MAC    : 0000-5e00-0201 
     Master IP      : FE80::1 
   Interface Vlan-interface3 
     VRID           : 2               Adver Timer  : 100 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 0 
     Become Master  : 2200ms left 
     Auth Type      : None 
     Virtual IP     : FE90::10 
                      2::10 
     Master IP      : FE90::2 
# Display the detailed information about the VRRP group on Switch B. 
[SwitchB-Vlan-interface3] display vrrp ipv6 verbose 
 IPv6 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 2 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 100 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 0 
     Become Master  : 2200ms left 
     Auth Type      : None 
     Virtual IP     : FE80::10 
                      1::10 
     Master IP      : FE80::1 
   Interface Vlan-interface3 
     VRID           : 2               Adver Timer  : 100 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 0 
     Auth Type      : None 
     Virtual IP     : FE90::10 
                      2::10 
     Virtual MAC    : 0000-5e00-0202 
     Master IP      : FE90::2
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