Validation
1. Verify Dhcps Sync PDUs:
TOR1#show mcec statistics
Unknown MCCPDU received on the system : 0
------------------------------------
IDP po5
------------------------------------
Valid RX Hello PDUs : 2373
Valid TX Hello PDUs : 2373
Valid RX Info PDUs : 12
Valid TX Info PDUs : 20
Valid RX Mac Sync PDUs : 20
Valid TX Mac Sync PDUs : 20
Valid RX Dhcps Sync PDUs : 1
Valid TX Dhcps Sync PDUs : 3
MLAG 1
Valid RX Info PDUs : 6
Valid TX Info PDUs : 10
MLAG 2
Valid RX Info PDUs : 6
Valid TX Info PDUs : 10
TOR1#
TOR2#show mcec statistics
Unknown MCCPDU received on the system : 0
------------------------------------
IDP po5
------------------------------------
Valid RX Hello PDUs : 2384
Valid TX Hello PDUs : 2385
Valid RX Info PDUs : 18
Valid TX Info PDUs : 12
Valid RX Mac Sync PDUs : 20
Valid TX Mac Sync PDUs : 16
Valid RX Dhcps Sync PDUs : 3
Valid TX Dhcps Sync PDUs : 1
MLAG 1
Valid RX Info PDUs : 9
Valid TX Info PDUs : 6
MLAG 2
Valid RX Info PDUs : 9
Valid TX Info PDUs : 6
2. Verify dhcp binding entires:
TOR2#
TOR1#show ip dhcp snooping binding bridge 1
Total number of static IPV4 entries : 0
Total number of dynamic IPV4 entries : 1
Total number of static IPV6 entries : 0
Total number of dynamic IPV6 entries : 0
MacAddress IpAddress Lease(sec) Type VLAN Interfa
ce
------------------ --------------- ---------- ------------- ---- -------
-----------
80a2.35e9.8323 20.20.20.2 315 dhcp-snooping 2 mlag2
TOR1#
TOR2#show ip dhcp snooping binding bridge 1
Total number of static IPV4 entries : 0
Total number of dynamic IPV4 entries : 1
Total number of static IPV6 entries : 0
Total number of dynamic IPV6 entries : 0
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- ------------------
80a2.35e9.8323 20.20.20.2 315 dhcp-snooping 2 mlag2
3. Verify that DHCP snooping is enabled on the bridge
TOR2#
TOR1#show ip dhcp snooping bridge 1
Bridge Group : 1
DHCP snooping is : Enabled
DHCP snooping option82 is : Disabled
Verification of hwaddr field is : Disabled
Strict validation of DHCP packet is : Disabled
DB Write Interval(secs) : 300
DHCP snooping is configured on following VLANs : 2
DHCP snooping is operational on following VLANs : 2
DHCP snooping trust is configured on the following Interfaces
Interface Trusted
--------------- -------
mlag1 Yes
po5 Yes
DHCP snooping IP Source Guard is configured on the following Interfaces
Interface Source Guard
--------------- ------------
TOR1#
TOR2#show ip dhcp snooping bridge 1
Bridge Group : 1
DHCP snooping is : Enabled
DHCP snooping option82 is : Disabled
Verification of hwaddr field is : Disabled
Strict validation of DHCP packet is : Disabled
DB Write Interval(secs) : 300
DHCP snooping is configured on following VLANs : 2
DHCP snooping is operational on following VLANs : 2
DHCP snooping trust is configured on the following Interfaces
Interface Trusted
--------------- -------
mlag1 Yes
po5 Yes
DHCP snooping IP Source Guard is configured on the following Interfaces
Interface Source Guard
--------------- ------------
TOR2#
4. Verify dhcp snooping running configs
TOR1#show running-config ip dhcp snooping
!
debug ip dhcp snooping all
!
ip dhcp snooping bridge 1
ip dhcp snooping vlan 2 bridge 1
interface mlag1
ip dhcp snooping trust
!
interface po5
ip dhcp snooping trust
!
TOR1#
TOR2#show running-config ip dhcp snooping
!
debug ip dhcp snooping all
!
ip dhcp snooping bridge 1
ip dhcp snooping vlan 2 bridge 1
interface mlag1
ip dhcp snooping trust
!
interface po5
ip dhcp snooping trust
!
TOR2#
5. Verify mlag details:
TOR2#show mlag domain details
------------------------------------
Domain Configuration
------------------------------------
Domain System Number : 1
Domain Address : 1111.2222.3333
Domain Priority : 32768
Intra Domain Interface : po5
Hello RCV State : Current
Hello Periodic Timer State : Slow Periodic
Domain Sync : IN_SYNC
Neigh Domain Sync : IN_SYNC
Domain Adjacency : UP
------------------------------------
MLAG Configuration
------------------------------------
MLAG-1
Mapped Aggregator : po1
Admin Key : 16385
Oper Key : 16385
Physical properties Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Neigh Admin Key : 32769
Neigh Physical Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Info RCV State : Current
Info Periodic Time State : Standby
Total Bandwidth : 40g
Mlag Sync : IN_SYNC
Mlag Mode : Active-Active
Mlag State : UP
MLAG-2
Mapped Aggregator : po2
Admin Key : 16386
Oper Key : 16386
Physical properties Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Neigh Admin Key : 32770
Neigh Physical Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Info RCV State : Current
Info Periodic Time State : Standby
Total Bandwidth : 40g
Mlag Sync : IN_SYNC
Mlag Mode : Active-Active
Mlag State : UP
TOR2#
TOR1#show mlag domain details
------------------------------------
Domain Configuration
------------------------------------
Domain System Number : 2
Domain Address : 1111.2222.3333
Domain Priority : 32768
Intra Domain Interface : po5
Hello RCV State : Current
Hello Periodic Timer State : Slow Periodic
Domain Sync : IN_SYNC
Neigh Domain Sync : IN_SYNC
Domain Adjacency : UP
------------------------------------
MLAG Configuration
------------------------------------
MLAG-1
Mapped Aggregator : po1
Admin Key : 32769
Oper Key : 16385
Physical properties Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Neigh Admin Key : 16385
Neigh Physical Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Info RCV State : Current
Info Periodic Time State : Standby
Total Bandwidth : 40g
Mlag Sync : IN_SYNC
Mlag Mode : Active-Active
Mlag State : UP
MLAG-2
Mapped Aggregator : po2
Admin Key : 32770
Oper Key : 16386
Physical properties Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Neigh Admin Key : 16386
Neigh Physical Digest : 54 a9 3a 2a 2b 50 65 bb 3c bc 3d bd c2 43 d6 22
Info RCV State : Current
Info Periodic Time State : Standby
Total Bandwidth : 40g
Mlag Sync : IN_SYNC
Mlag Mode : Active-Active
Mlag State : UP
TOR1#