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HP 5500 Ei 5500 Si Switch Series Configuration Guide

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    							 148 
Configuration procedure 
To configure VRRP packet attributes:  
Step Command Remarks 
1.  Enter system view. 
system-view N/A  
2.  Set the DSCP value for VRRP 
packets.   vrrp ipv6 dscp 
dscp-value  Optional. 
56 by default. 
3.
  Enter the specified interface 
view.  interface 
interface-type 
interface-number   N/A 
4.
  Configure the authentication 
mode and authentication key 
when the VRRP groups send 
or receive VRRP packets.  vrrp ipv6 vrid 
virtual-router-id  
authentication-mode simple  
[ cipher ] key  Optional. 
Authentication is not performed by 
default. 
5.
  Configure the time interval for 
the master in the VRRP group 
to send VRRP advertisement.  vrrp ipv6 vrid 
virtual-router-id  timer 
advertise  adver-interval   Optional. 
100 centiseconds by default. 
 
Displaying and maintaining VRRP for IPv6  
Task Command  Remarks 
Display VRRP group status.  display
 vrrp ipv6  [ verbose  ] [ interface  
interface-type interface-number  [ vrid 
virtual-router-id  ] ] [ | { begin |  exclude | include  } 
regular-expression  ]  Available in any view 
Display VRRP group statistics.  display vrrp
 ipv6 statistics  [ interface  
interface-type interface-number  [ vrid 
virtual-router-id  ] ] [ | { begin |  exclude | include  } 
regular-expression  ]  Available in any view 
Clear VRRP group statistics. 
reset vrrp ipv6 statistics 
[ interface interface-type 
interface-number  [ vrid virtual-router-id  ] ]  Available in user view 
 
IPv4-based VRRP configuration examples 
Single VRRP group configuration example 
Network requirements 
•
  Host A wants to access Host B on the Internet, using 202.38.160.1 11/24 as its default gateway. 
•   Switch A and Switch B belong to VRRP group 1 with the virtual IP address of 202.38.160.1 11/24. 
•   When Switch A operates normally, packets sent from Host A to Host B are forwarded by Switch A; 
when Switch A fails, packets sent from Host A to Host B are forwarded by Switch B.
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Figure 40 Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ip address 202.38.160.1 255.255.255.0 
# Create VRRP group 1 and set its  virtual IP address to 202.38.160.111. 
[SwitchA-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111 
# 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 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 vrid 1 preempt-mode timer delay 5 
2.  Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] vlan 2 
[SwitchB-Vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit 
[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ip address 202.38.160.2 255.255.255.0 
# Create VRRP group 1 and set its  virtual IP address to 202.38.160.111. 
[SwitchB-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111 
# Set Switch B to operate in preemptive mode. The preemption delay is five seconds. 
[SwitchB-Vlan-interface2] vrrp vrid 1 preempt-mode timer delay 5
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    							 150 
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 verbose command. 
# Display the detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : 202.38.160.111 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.1 
# Display the detailed information about VRRP group 1 on Switch B. 
[SwitchB-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     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     : 202.38.160.111 
     Master IP      : 202.38.160.1 
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 Switch A fails, you can still ping through Host B on Host A. Use the  display vrrp verbose 
command to view the detailed information about the VRRP group on Switch B. 
# When Switch A fails, the detailed information  about VRRP group 1 on Switch B is displayed. 
[SwitchB-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     Admin Status   : Up              State        : Master 
     Config Pri     : 100             Running Pri  : 100
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     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : 202.38.160.111 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.2 
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 verbose command to display the 
detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : None 
     Virtual IP     : 202.38.160.111 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.1 
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 
•   Host A wants to access Host B on the Internet, using 202.38.160.1 11/24 as its default gateway. 
•   Switch A and Switch B belong to VRRP group 1 with the virtual IP address of 202.38.160.1 11/24. 
•   If 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.
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Figure 41 Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ip address 202.38.160.1 255.255.255.0 
# Create a VRRP group 1 and set its virtual IP address to 202.38.160.111. 
[SwitchA-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111 
# Configure the priority of Switch A in the VRRP group to 110, which is higher than that of Switch 
B (100), so that Switch A can become the master. 
[SwitchA-Vlan-interface2] vrrp vrid 1 priority 110 
# Configure the authen tication mode of the VRRP group as  simple and authentication key as  hello. 
[SwitchA-Vlan-interface2] vrrp vrid 1 authentication-mode simple hello 
# Set the interval for Master to send VRRP advertisement to four seconds. 
[SwitchA-Vlan-interface2] vrrp vrid 1 timer advertise 4 
# 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. 
[SwitchA-Vlan-interface2] vrrp 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 ex ample), 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 vrid 1 track interface vlan-interface 3 r\
educed 30 
2.  Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] vlan 2
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[SwitchB-vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit 
[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ip address 202.38.160.2 255.255.255.0 
# Create a VRRP group 1 and set its virtual IP address to 202.38.160.111. 
[SwitchB-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111 
# Configure the authentication mode of the VRRP group as  simple and authentication key as  hello. 
[SwitchB-Vlan-interface2] vrrp vrid 1 authentication-mode simple hello 
# Set the interval for master to send VRRP advertisement to four seconds. 
[SwitchB-Vlan-interface2] vrrp vrid 1 timer advertise 4 
# 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 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 verbose command. 
# Display the detailed information about VRRP group 1 on Switch A. 
[SwitchA-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 4 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : 202.38.160.111 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.1 
   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 verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 4 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Become Master  : 2200ms left 
     Auth Type      : Simple          Key          : ******
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     Virtual IP     : 202.38.160.111 
     Master IP      : 202.38.160.1 
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. 
If interface VLAN-interface 3 through which Switch  A connects to the Internet is not available, you 
c a n  s t i l l  p i n g  H o s t  B  s u c c e s s f u l l y  o n  H o s t  A .  T o  v i e w  t h e  d e t a i l e d  i n f o r m a t i o n  a b o u t  t h e  V R R P  g r o u p ,  
use the  display vrrp verbose command. 
# If VLAN-interface 3 on Switch A is not avail able, the detailed information about VRRP group 1 
on Switch A is displayed. 
[SwitchA-Vlan-interface2] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 4 
     Admin Status   : Up              State        : Backup 
     Config Pri     : 110             Running Pri  : 80 
     Preempt Mode   : Yes             Delay Time   : 5 
     Become Master  : 2200ms left 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : 202.38.160.111 
     Master IP      : 202.38.160.2 
   VRRP Track Information: 
     Track Interface: Vlan3          State : Down              Pri Reduc\
ed : 30 
# When 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 verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 1 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 4 
     Admin Status   : Up              State        : Master 
     Config Pri     : 100             Running Pri  : 100 
     Preempt Mode   : Yes             Delay Time   : 5 
     Auth Type      : Simple          Key          : ****** 
     Virtual IP     : 202.38.160.111 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.2 
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 it becomes the backup. Switch B becomes the master and packets sent from 
Host A to Host B are forwarded by Switch B.
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VRRP with multiple VLANs configuration example 
Network requirements 
•  Hosts in VLAN 2 use 202.38.160.100/25 as their default gateway and hosts in VLAN 3 use 
202.38.160.200/25 as their default gateway. 
•   Switch A and Switch B belong to both VRRP group 1 and VRRP group 2. The virtual IP address of 
VRRP group 1 is 202.38.160.100/25, and that of VRRP group 2 is 202.38.160.200/25. 
•   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. 
Figure 42  Network diagram 
 
 
Configuration procedure 
1. Configure Switch A: 
# Configure VLAN 2. 
 system-view 
[SwitchA] vlan 2 
[SwitchA-vlan2] port gigabitethernet 1/0/5 
[SwitchA-vlan2] quit 
[SwitchA] interface vlan-interface 2 
[SwitchA-Vlan-interface2] ip address 202.38.160.1 255.255.255.128 
# Create a VRRP group 1 and set its virtual IP address to 202.38.160.100. 
[SwitchA-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.100 
# Configure the priority of Switch A in VRRP group 1 as 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 vrid 1 priority 110 
[SwitchA-Vlan-interface2] quit 
# Configure VLAN 3. 
[SwitchA] vlan 3 
[SwitchA-vlan3] port gigabitethernet 1/0/6
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[SwitchA-vlan3] quit 
[SwitchA] interface vlan-interface 3 
[SwitchA-Vlan-interface3] ip address 202.38.160.130 255.255.255.128 
# Create a VRRP group 2 and set its virtual IP address to 202.38.160.200. 
[SwitchA-Vlan-interface3] vrrp vrid 2 virtual-ip 202.38.160.200 
2. Configure Switch B: 
# Configure VLAN 2. 
 system-view 
[SwitchB] vlan 2 
[SwitchB-vlan2] port gigabitethernet 1/0/5 
[SwitchB-vlan2] quit 
[SwitchB] interface vlan-interface 2 
[SwitchB-Vlan-interface2] ip address 202.38.160.2 255.255.255.128 
# Create a VRRP group 1 and set its virtual IP address to 202.38.160.100. 
[SwitchB-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.100 
[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] ip address 202.38.160.131 255.255.255.128 
# Create a VRRP group 2 and set its virtual IP address to 202.38.160.200. 
[SwitchB-Vlan-interface3] vrrp vrid 2 virtual-ip 202.38.160.200 
# Configure 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 vrid 2 priority 110 
3. Verify the configuration: 
To verify your configuration, use the  display vrrp verbose command. 
# Display the detailed information about the VRRP group on Switch A. 
[SwitchA-Vlan-interface3] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 2 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 0 
     Auth Type      : None 
     Virtual IP     : 202.38.160.100 
     Virtual MAC    : 0000-5e00-0101 
     Master IP      : 202.38.160.1 
   Interface Vlan-interface3 
     VRID           : 2               Adver Timer  : 1
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     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     : 202.38.160.200 
     Master IP      : 202.38.160.131 
# Display the detailed information about the VRRP group on Switch B. 
[SwitchB-Vlan-interface3] display vrrp verbose 
 IPv4 Standby Information: 
     Run Mode       : Standard 
     Run Method     : Virtual MAC 
 Total number of virtual routers : 2 
   Interface Vlan-interface2 
     VRID           : 1               Adver Timer  : 1 
     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     : 202.38.160.100 
     Master IP      : 202.38.160.1 
   Interface Vlan-interface3 
     VRID           : 2               Adver Timer  : 1 
     Admin Status   : Up              State        : Master 
     Config Pri     : 110             Running Pri  : 110 
     Preempt Mode   : Yes             Delay Time   : 0 
     Auth Type      : None 
     Virtual IP     : 202.38.160.200 
     Virtual MAC    : 0000-5e00-0102 
     Master IP      : 202.38.160.131 
The output shows that in VRRP group 1 Switch A is the master, Switch B is the backup and hosts 
with the default gateway of 202.38.160.100/25 access es the Internet through Switch A; in VRRP 
group 2 Switch A is the backup, Switch B is the  master and hosts with the default gateway of 
202.38.160.200/25 accesses the Internet through Switch B. 
VRRP load balancing mode configuration example 
Network requirements 
•   Switch A, Switch B, and Switch C belong to VRRP group 1 with the virtual IP address of 10.1.1.1/24. 
•   H o s t s  o n  n e t w o r k  s e g m e n t  1 0 .1.1. 0 / 2 4  u s e  1 0 .1.1.1 / 2 4  a s  t h e i r  d e f a u l t  g a t e w a y .  U s e  t h e  V R R P  
group to make sure that when a gateway (Switch A, Switch B, or Switch C) fails, the hosts on the 
LAN can access external networks through another gateway. 
•   VRRP group 1 is operating in load balancing mo de to make good use of network resources. 
•   Configure a track entry on Switch A, Switch B,  and Switch C to monitor their own VLAN-interface 
3. When the interface on Switch A, Switch B, or Switch C fails, the weight of the corresponding 
switch decreases so that another switch with a higher weight can take over.
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