To display a brief
or detailed status of one or all Virtual Router Redundancy Protocol (VRRP)
virtual routers, use the
show vrrp
command in
XR EXEC mode.
show vrrp [ipv4 | ipv6] [interface type interface-path-id ] [brief | detail | statistics [all]]
Syntax Description
|
ipv4
|
(Optional)
Displays the IPv4 information.
|
|
ipv6
|
(Optional)
Displays the IPv6 information.
|
|
interface
|
(Optional)
Displays the status of the virtual router interface.
|
|
type
|
Interface type. For more information, use the question mark (?) online help function.
|
|
interface-path-id
|
Physical
interface or virtual interface.
|
Note
|
Use the
show interfaces command to see a list of all interfaces currently configured on
the router.
|
For more
information about the syntax for the router, use the question mark (?) online
help function.
|
|
|
|
|
brief
|
(Optional)
Provides a summary view of the virtual router information.
|
|
detail
|
(Optional)
Displays detailed running state information.
|
|
statistics
|
(Optional)
Displays total statistics.
|
|
all
|
(Optional)
Displays statistics for each virtual router.
|
Command Modes
XR EXEC mode
Command History
|
Release
|
Modification
|
|
Release 3.7.2
|
This command was introduced.
|
|
Release 7.11.1
|
This command was modified. The fields Mcast packet in Ucast mode , IPv4 Unicast Peer , and IPv4 Unicast Peer were added.
|
Usage Guidelines
If no interface is
specified, all virtual routers on all interfaces are displayed. If no vrid is
specified, all vrids on the given interface are displayed.
Task ID
|
Task ID
|
Operations
|
|
vrrp
|
read
|
Examples
The following
sample output is from the
show vrrp
command:
Router# show vrrp
A indicates IP address owner
| P indicates configured to preempt
| |
Interface vrID Prio A P State Master addr VRouter addr
Te0/3/0/0 1 100 P Init unknown 192.168.18.10
Te0/3/0/2 7 100 P Init unknown 192.168.19.1
This table
describes the significant fields shown in the display.
Table 2. show vrrp
Command Field Descriptions
|
Field
|
Description
|
|
Interface
|
Interface
of the virtual router.
|
|
vrID
|
ID of the
virtual router.
|
|
Prio
|
Priority
of the virtual router.
|
|
A
|
Indicates
whether the VRRP router is the IP address owner.
|
|
P
|
Indicates
whether the VRRP router is configured to preempt (default).
|
|
State
|
State of
the virtual router.
|
|
Master
addr
|
IP address of the IP address owner router.
|
|
VRouter
addr
|
Virtual
router IP address of the virtual router.
|
The following
sample output is from the
show vrrp
command with the
detail
keyword:
Router# show vrrp detail
Fri Sep 8 15:02:35.268 IST
GigabitEthernet0/0/0/0 - IPv4 vrID 1
State is Master
2 state changes, last state change 04:00:02
State change history:
Sep 8 11:02:29.518 IST Init -> Backup Virtual IP configured
Sep 8 11:02:33.127 IST Backup -> Master Master down timer expired
Last resign sent: Never
Last resign received: Never
Virtual IP address is 10.0.0.100
Virtual MAC address is 0000.5E00.0101, state is active
Master router is local
Version is 2
Advertise time 1 secs
Master Down Timer 3.609 (3 x 1 + (156 x 1/256))
Minimum delay 1 sec, reload delay 5 sec
Current priority 100
Configured priority 100, may preempt
minimum delay 0 secs
IPv4 Unicast Peer: 10.0.1.1 --> IPv4 unicast transport is enabled on VRRP.
GigabitEthernet0/0/0/0 - IPv6 vrID 2
State is Init
0 state changes, last state change never
State change history:
Last resign sent: Never
Last resign received: Never
Virtual IP address is ::
Virtual MAC address is 0000.5E00.0202, state is stored
Master router is unknown
Version is 3
Advertise time 1 secs
Master Down Timer 3.609 (3 x 1 + (156 x 1/256))
Minimum delay 1 sec, reload delay 5 sec
Current priority 100
Configured priority 100, may preempt
minimum delay 0 secs
IPv6 Unicast Peer: FE80::260:3EFF:FE11:6770 --> IPv6 unicast transport is enabled on VRRP.
This table
describes the significant fields shown in the displays.
Table 3. show vrrp
detail Command Field Descriptions
|
Field
|
Description
|
|
0/3/0/0 - vrID 1
|
Interface
type and number, and VRRP group number.
|
|
State is
|
Role this interface plays within VRRP (IP address owner router or backup router).
|
|
Virtual IP
address is
|
Virtual IP
address for this virtual router.
|
|
Virtual
MAC address is
|
Virtual
MAC address for this virtual router.
|
|
Master
router is
|
Location of the IP address owner router.
|
|
Advertise
time
|
Interval (in seconds) at which the router sends VRRP advertisements when it is the IP address owner virtual router. This value
is configured with the
vrrp timer
command.
|
|
Master
Down Timer
|
Time the backup router waits for the IP address owner router advertisements before assuming the role of IP address owner router.
|
|
Minimum
delay
|
Time that
the state machine start-up is delayed when an interface comes up, giving the
network time to settle. The minimum delay is the delay that is applied after
any subsequent interface up event (if the interface flaps) and the reload delay
is the delay applied after the first interface up event.
|
|
Current
priority
|
Priority
of the virtual router.
|
|
Configured
priority
|
Priority
configured on the virtual router.
|
|
may
preempt
|
Indication
of whether preemption is enabled or disabled.
|
|
minimum
delay
|
Delay time
before preemption (default) occurs.
|
|
Tracked
items
|
Section
indicating the items being tracked by the VRRP router.
|
|
Interface
|
Interface
being tracked.
|
|
State
|
State of
the tracked interface.
|
|
Priority
Decrement
|
Priority
to decrement from the VRRP priority when the interface is down.
|
|
IPv4 Unicast Peer
|
IPv4 address of the unicast peer.
|
|
IPv6 Unicast Peer
|
IPv6 address of the unicast peer.
|
The following sample output is from the show vrrp command with the statistics
.
show vrrp statistics
Fri Sep 8 15:03:03.521 IST
Invalid packets:
Invalid checksum: 0
Unknown/unsupported versions: 0
Invalid vrID: 0
Too short: 0
Protocol:
Transitions to Master 1
Packets:
Total received: 0
Adverts sent: 14476
Bad TTL: 0
Short Packets: 0
Failed authentication: 0
Unknown authentication: 0
Conflicting authentication: 0
Unknown Type field: 0
Conflicting Advertise time: 0
Conflicting Addresses: 0
Received with zero priority: 0
Sent with zero priority: 0
Mcast packet in Ucast mode: 0
This table describes the significant fields shown in the displays.
Table 4. show vrrp statistics Command Field Descriptions
|
Field
|
Description
|
|
Invalid packets
|
Number of invalid packets.
|
|
Invalid checksum
|
Number of packets with checksum errors.
|
|
Unknown/unsupported versions
|
Number of packets with unknown/unsupported versions.
|
|
Invalid vrID
|
Number of packets with invalid VRRP ID
|
|
Too short
|
Number of packets that are too short.
|
|
Protocol
|
Role of the VRRP routers.
|
| Transitions to Master |
Number of VRRP routers that have taken over the master.
|
|
Packets
|
Number of packets received.
|
|
Total received
|
Cumulative number of packets received.
|
|
Adverts sent
|
Number of times the router has advertised its VRRP status.
|
|
Bad TTL
|
Number of packets with incorrect Time-to-Live values.
|
|
Short Packets
|
Number of packets with a size shorter than expected.
|
|
Failed authentication
|
Number of packets that failed authentication during VRRP operation.
|
|
Unknown authentication
|
Number of packets that failed authentication because the authentication was not recognized.
|
|
Conflicting authentication
|
Number of packets that failed authentication due to conflicts.
|
|
Conflicting IP addresses
|
Number of packets where conflicting IP addresses are detected within the VRRP configuration.
|
|
Received with zero priority
|
Number of packets received with zero priority.
|
|
Sent with zero priority
|
Number of packets sent by a VRRP router with a priority of zero.
|
|
Mcast packet in Ucast mode
|
Number of multicast packets received in a specific VRRP instance when it's configured to function in unicast mode.
|
The following sample output is from the show vrrp command with the interface
for Ethernet interface 0/3/0/0:
Router# show vrrp interface Ethernet0/3/0/0
A indicates IP address owner
| P indicates configured to preempt
| |
Interface vrID Prio A P State Master addr VRouter addr
Te0/3/0/0 1 100 P Init unknown 192.168.10.20
Te0/3/0/2 7 100 P Init unknown 192.168.20.0
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