Layer 2 CLI
bvi create
bvi create [mac <mac-addr>] [instance <instance>]
Create a BVI interface. Optionally, a MAC Address can be provided. If not provided, 0b:0b::00:00:00:<instance> will be used.
The following two command syntaxes are equivalent:
bvi create [mac <mac-addr>] [instance <instance>]
Example of how to create a bvi interface:
bvi create
Declaration: l2_bvi_create_command src/vnet/l2/l2_bvi.c line 277
Implementation: l2_bvi_create_cli
bvi delete
bvi delete <interface>
Delete a BVI interface.
The following two command syntaxes are equivalent:
bvi delete <interface>
Example of how to create a bvi interface:
bvi delete bvi0
Declaration: l2_bvi_delete_command src/vnet/l2/l2_bvi.c line 328
Implementation: l2_bvi_delete_cli
clear l2fib
clear l2fib
This command clears all the MAC Address entries from the L2 FIB table.
Example of how to clear the L2 FIB Table:
clear l2fib
Example to show the L2 FIB Table has been cleared:
show l2fib verbose
no l2fib entries
Declaration: clear_l2fib_cli src/vnet/l2/l2_fib.c line 420
Implementation: clear_l2fib
create bridge-domain
create bridge-domain <bridge-domain-id> [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>] [arp-term <0|1>] [arp-ufwd <0|1>] [mac-age <nn>] [bd-tag <tag>] [del]
Create/Delete bridge-domain instance
Example of creating bridge-domain 1:
create bridge-domain 1
bridge-domain 1
Example of creating bridge-domain 2 with enabling arp-term, mac-age 60:
create bridge-domain 2 arp-term 1 mac-age 60
bridge-domain 2
vpp# show bridge-domain
ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
0 0 0 off off off off off off local0
1 1 0 off on on off on off N/A
2 2 0 60 on on off on on N/A
Example of delete bridge-domain 1:
create bridge-domain 1 del
Declaration: bd_create_cli src/vnet/l2/l2_bd.c line 1598
Implementation: bd_add_del_command_fn
l2 rewrite entry
l2 rewrite entry [index <index>] [mask <hex-mask>] [value <hex-value>] [skip <n_bytes>] [del]
Layer 2-Rewrite node uses classify tables to match packets. Then, using the provisioned mask and value, modifies the packet header.
Example of how to add an l2 rewrite entry to change the destination mac of the packet to 00:8a:00:0d:0e:02 (where parameter mask is Ethernet header's mask, parameter value is Ethernet header's value):
l2 rewrite entry mask ffffffffffff00000000000000000000 value 008a000d0e0200000000000000000000
Declaration: l2_rw_entry_cli src/vnet/l2/l2_rw.c line 409
Implementation: l2_rw_entry_cli_fn
l2fib add
l2fib add <mac> <bridge-domain-id> filter | <intf> [static | bvi]
This command adds a MAC Address entry to the L2 FIB table of an existing bridge-domain. The MAC Address can be static or dynamic. This command also allows a filter to be added, such that packets with given MAC Addresses (source mac or destination mac match) are dropped.
Example of how to add a dynamic MAC Address entry to the L2 FIB table of a bridge-domain (where 200 is the bridge-domain-id):
l2fib add 52:54:00:53:18:33 200 GigabitEthernet0/8/0.200
Example of how to add a static MAC Address entry to the L2 FIB table of a bridge-domain (where 200 is the bridge-domain-id):
l2fib add 52:54:00:53:18:55 200 GigabitEthernet0/8/0.200 static
Example of how to add a filter such that a packet with the given MAC Address will be dropped in a given bridge-domain (where 200 is the bridge-domain-id):
l2fib add 52:54:00:53:18:77 200 filter
Example of show command of the provisioned MAC Addresses and filters:
show l2fib verbose
Mac Address BD Idx Interface Index static filter bvi refresh timestamp
52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0
52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0
52:54:00:53:18:77 1 N/A -1 1 1 0 0 0
3 l2fib entries
Declaration: l2fib_add_cli src/vnet/l2/l2_fib.c line 597
Implementation: l2fib_add
l2fib del
l2fib del <mac> <bridge-domain-id> []
This command deletes an existing MAC Address entry from the L2 FIB table of an existing bridge-domain.
Example of how to delete a MAC Address entry from the L2 FIB table of a bridge-domain (where 200 is the bridge-domain-id):
l2fib del 52:54:00:53:18:33 200
Declaration: l2fib_del_cli src/vnet/l2/l2_fib.c line 837
Implementation: l2fib_del
l2fib flush-mac all
l2fib flush-mac all
This command kick off ager to delete all existing MAC Address entries, except static ones, associated with an interface from the L2 FIB table.
Example of how to flush MAC Address entries learned on an interface from the L2 FIB table:
l2fib flush-mac interface GigabitEthernet2/1/0
Declaration: l2fib_flush_mac_all_cli src/vnet/l2/l2_fib.c line 981
Implementation: l2fib_flush_mac_all
l2fib flush-mac bridge-domain
l2fib flush-mac bridge-domain <bd-id>
This command kick off ager to delete all existing MAC Address entries, except static ones, in a bridge domain from the L2 FIB table.
Example of how to flush MAC Address entries learned in a bridge domain from the L2 FIB table:
l2fib flush-mac bridge-domain 1000
Declaration: l2fib_flush_mac_bd_cli src/vnet/l2/l2_fib.c line 1046
Implementation: l2fib_flush_mac_bd
l2fib flush-mac interface
l2fib flush-mac interface <if-name>
This command kick off ager to delete all existing MAC Address entries, except static ones, associated with an interface from the L2 FIB table.
Example of how to flush MAC Address entries learned on an interface from the L2 FIB table:
l2fib flush-mac interface GigabitEthernet2/1/0
Declaration: l2fib_flush_mac_int_cli src/vnet/l2/l2_fib.c line 997
Implementation: l2fib_flush_mac_int
set bridge-domain arp entry
set bridge-domain arp entry <bridge-domain-id> [<ip-addr> <mac-addr> [del] | del-all]
Add an ARP entry to an existing bridge-domain.
Example of how to add an ARP entry (where 200 is the bridge-domain-id):
set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a
Example of how to delete an ARP entry (where 200 is the bridge-domain-id):
set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a del
Declaration: bd_arp_entry_cli src/vnet/l2/l2_bd.c line 1123
Implementation: bd_arp_entry
set bridge-domain arp term
set bridge-domain arp term <bridge-domain-id> [disable]
Modify whether or not an existing bridge-domain should terminate and respond to ARP Requests. ARP Termination is disabled by default.
Example of how to enable ARP termination (where 200 is the bridge-domain-id):
set bridge-domain arp term 200
Example of how to disable ARP termination (where 200 is the bridge-domain-id):
set bridge-domain arp term 200 disable
Declaration: bd_arp_term_cli src/vnet/l2/l2_bd.c line 925
Implementation: bd_arp_term
set bridge-domain arp-ufwd
set bridge-domain arp-ufwd <bridge-domain-id> [disable]
Layer 2 arp-unicast forwarding can be enabled and disabled on each bridge-domain. It is disabled by default.
Example of how to enable arp-unicast forwarding (where 200 is the bridge-domain-id):
set bridge-domain arp-ufwd 200
Example of how to disable arp-unicast forwarding (where 200 is the bridge-domain-id):
set bridge-domain arp-ufwd 200 disable
Declaration: bd_arp_ufwd_cli src/vnet/l2/l2_bd.c line 746
Implementation: bd_arp_ufwd
set bridge-domain default-learn-limit
set bridge-domain default-learn-limit <maxentries>
Declaration: bd_default_learn_limit_cli src/vnet/l2/l2_bd.c line 487
Implementation: bd_default_learn_limit
set bridge-domain flood
set bridge-domain flood <bridge-domain-id> [disable]
Layer 2 flooding can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage bridge-domains. It is enabled by default.
Example of how to enable flooding (where 200 is the bridge-domain-id):
set bridge-domain flood 200
Example of how to disable flooding (where 200 is the bridge-domain-id):
set bridge-domain flood 200 disable
Declaration: bd_flood_cli src/vnet/l2/l2_bd.c line 616
Implementation: bd_flood
set bridge-domain forward
set bridge-domain forward <bridge-domain-id> [disable]
Layer 2 unicast forwarding can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage bridge-domains. It is enabled by default.
Example of how to enable forwarding (where 200 is the bridge-domain-id):
set bridge-domain forward 200
Example of how to disable forwarding (where 200 is the bridge-domain-id):
set bridge-domain forward 200 disable
Declaration: bd_fwd_cli src/vnet/l2/l2_bd.c line 551
Implementation: bd_fwd
set bridge-domain learn
set bridge-domain learn <bridge-domain-id> [disable]
Layer 2 learning can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage bridge-domains. It is enabled by default.
Example of how to enable learning (where 200 is the bridge-domain-id):
set bridge-domain learn 200
Example of how to disable learning (where 200 is the bridge-domain-id):
set bridge-domain learn 200 disable
Declaration: bd_learn_cli src/vnet/l2/l2_bd.c line 458
Implementation: bd_learn
set bridge-domain learn-limit
set bridge-domain learn-limit <bridge-domain-id> <learn-limit>
Declaration: bd_learn_limit_cli src/vnet/l2/l2_bd.c line 907
Implementation: bd_learn_limit
set bridge-domain mac-age
set bridge-domain mac-age <bridge-domain-id> <mins>
Layer 2 mac aging can be enabled and disabled on each bridge-domain. Use this command to set or disable mac aging on specific bridge-domains. It is disabled by default.
Example of how to set mac aging (where 200 is the bridge-domain-id and 5 is aging time in minutes):
set bridge-domain mac-age 200 5
Example of how to disable mac aging (where 200 is the bridge-domain-id):
set bridge-domain flood 200 0
Declaration: bd_mac_age_cli src/vnet/l2/l2_bd.c line 858
Implementation: bd_mac_age
set bridge-domain rewrite
set bridge-domain rewrite <bridge-domain> [disable]
Layer 2 rewrite can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage l2 rewrite on bridge-domain.
Example of how to enable rewrite (where 100 is the bridge-domain-id):
set bridge-domain rewrite 100
Example of how to disable rewrite (where 100 is the bridge-domain-id):
set bridge-domain rewrite 100 disable
Declaration: l2_rw_set_cli src/vnet/l2/l2_rw.c line 626
Implementation: l2_rw_set_cli_fn
set bridge-domain uu-flood
set bridge-domain uu-flood <bridge-domain-id> [disable]
Layer 2 unknown-unicast flooding can be enabled and disabled on each bridge-domain. It is enabled by default.
Example of how to enable unknown-unicast flooding (where 200 is the bridge-domain-id):
set bridge-domain uu-flood 200
Example of how to disable unknown-unicast flooding (where 200 is the bridge-domain-id):
set bridge-domain uu-flood 200 disable
Declaration: bd_uu_flood_cli src/vnet/l2/l2_bd.c line 681
Implementation: bd_uu_flood
set interface l2 bridge
set interface l2 bridge <interface> <bridge-domain-id> [bvi|uu-fwd] [shg]
Use this command put an interface into Layer 2 bridge domain. If a bridge-domain with the provided bridge-domain-id does not exist, it will be created. Interfaces in a bridge-domain forward packets to other interfaces in the same bridge-domain based on destination mac address. To remove an interface from a the Layer 2 bridge domain, put the interface in a different mode, for example Layer 3 mode.
Optionally, an interface can be added to a Layer 2 bridge-domain as a Bridged Virtual Interface (bvi). Only one interface in a Layer 2 bridge-domain can be a bvi.
Optionally, a split-horizon group can also be specified. This defaults to 0 if not specified.
Example of how to configure a Layer 2 bridge-domain with three interfaces (where 200 is the bridge-domain-id):
set interface l2 bridge GigabitEthernet0/8/0.200 200
This interface is added a BVI interface:
set interface l2 bridge GigabitEthernet0/9/0.200 200 bvi
This interface also has a split-horizon group of 1 specified:
set interface l2 bridge GigabitEthernet0/a/0.200 200 1
Example of how to remove an interface from a Layer2 bridge-domain:
set interface l3 GigabitEthernet0/a/0.200
Declaration: int_l2_bridge_cli src/vnet/l2/l2_input.c line 650
Implementation: int_l2_bridge
set interface l2 efp-filter
set interface l2 efp-filter <interface> [disable]
EFP filtering is a basic switch feature which prevents an interface from transmitting a packet that doesn't match the interface's ingress match criteria. The check has two parts, one performed before egress vlan tag rewrite and one after. This command enables or disables the EFP filtering for a given sub-interface.
Example of how to enable a Layer 2 efp-filter on a sub-interface:
set interface l2 efp-filter GigabitEthernet0/8/0.200
Example of how to disable a Layer 2 efp-filter on a sub-interface:
set interface l2 efp-filter GigabitEthernet0/8/0.200 disable
Declaration: int_l2_efp_filter_cli src/vnet/l2/l2_efp_filter.c line 563
Implementation: int_l2_efp_filter
set interface l2 flood
set interface l2 flood <interface> [disable]
Layer 2 flooding can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage interfaces. It is enabled by default.
Example of how to enable flooding:
set interface l2 flood GigabitEthernet0/8/0
Example of how to disable flooding:
set interface l2 flood GigabitEthernet0/8/0 disable
Declaration: int_flood_cli src/vnet/l2/l2_flood.c line 472
Implementation: int_flood
set interface l2 forward
set interface l2 forward <interface> [disable]
Layer 2 unicast forwarding can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage interfaces. It is enabled by default.
Example of how to enable forwarding:
set interface l2 forward GigabitEthernet0/8/0
Example of how to disable forwarding:
set interface l2 forward GigabitEthernet0/8/0 disable
Declaration: int_fwd_cli src/vnet/l2/l2_fwd.c line 531
Implementation: int_fwd
set interface l2 input classify
set interface l2 input classify intfc <interface-name> [ip4-table <n>]
[ip6-table <n>] [other-table <n>]
Configure l2 input classification.
set interface l2 input classify intfc <interface-name> [ip4-table <index>] [ip6-table <index>] [other-table <index>]
practical example.
Declaration: int_l2_input_classify_cli src/vnet/l2/l2_input_classify.c line 646
Implementation: int_l2_input_classify_command_fn
set interface l2 learn
set interface l2 learn <interface> [disable]
Layer 2 learning can be enabled and disabled on each interface and on each bridge-domain. Use this command to manage interfaces. It is enabled by default.
Example of how to enable learning:
set interface l2 learn GigabitEthernet0/8/0
Example of how to disable learning:
set interface l2 learn GigabitEthernet0/8/0 disable
Declaration: int_learn_cli src/vnet/l2/l2_learn.c line 544
Implementation: int_learn
set interface l2 output classify
set interface l2 output classify intfc <<interface-name>> [ip4-table <n>]
[ip6-table <n>] [other-table <n>]
Configure Layer 2 output classification.
set interface l2 output classify intfc <interface-name> [ip4-table <index>] [ip6-table <index>] [other-table <index>]
practical example.
Declaration: int_l2_output_classify_cli src/vnet/l2/l2_output_classify.c line 638
Implementation: int_l2_output_classify_command_fn
set interface l2 pbb-tag-rewrite
set interface l2 pbb-tag-rewrite <interface> [disable | pop | push | translate_pbb_stag <outer_tag> dmac <address> smac <address> s_id <nn> [b_vlanid <nn>]]
Declaration: int_l2_pbb_vtr_cli src/vnet/l2/l2_vtr.c line 820
Implementation: int_l2_pbb_vtr
set interface l2 rewrite
set interface l2 rewrite <interface> [table <table index>] [miss-index <entry-index>]
Apply the rule to the interface. The following example shows how to use classify entry and Layer 2-Rewrite entry to modify the packet ethernet header on the interface.
Example use the classify to filter packets that do not need to be modified (where 192.168.68.34 is the destination ip of the data packet, 8080 is the destination port of the packet):
classify table mask l3 ip4 dst l4 dst_port
classify session acl-hit-next permit table-index 0 match l3 ip4 dst 192.168.68.34 l4 dst_port 8080
Example apply classify and l2 rewrite rules to the interface (where YusurK2Eth6/0/1/3 is interface, "table 0" means Table Id is 0, "miss 0" means the packet that matches the classify. miss will be modified according to the l2 rewrite entry with index 0):
set interface l2 rewrite YusurK2Eth6/0/1/3 table 0 miss-index 0
Declaration: l2_rw_interface_cli src/vnet/l2/l2_rw.c line 500
Implementation: l2_rw_interface_cli_fn
set interface l2 tag-rewrite
set interface l2 tag-rewrite <interface> [disable | pop {1|2} | push {dot1q|dot1ad} <tag> <tag>]
VLAN tag rewrite provides the ability to change the VLAN tags on a packet. Existing tags can be popped, new tags can be pushed, and existing tags can be swapped with new tags. The rewrite feature is attached to a subinterface as input and output operations. The input operation is explicitly configured. The output operation is the symmetric opposite and is automatically derived from the input operation.
POP: For pop operations, the subinterface encapsulation (the vlan tags specified when it was created) must have at least the number of popped tags. e.g. the "pop 2" operation would be rejected on a single-vlan interface. The output tag-rewrite operation for pops is to push the specified number of vlan tags onto the packet. The pushed tag values are the ones in the subinterface encapsulation.
PUSH: For push operations, the ethertype is also specified. The output tag-rewrite operation for pushes is to pop the same number of tags off the packet. If the packet doesn't have enough tags it is dropped.
By default a subinterface has no tag-rewrite. To return a subinterface to this state use:
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 disable
To pop vlan tags off packets received from a subinterface, use:
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 pop 1
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 pop 2
To push one or two vlan tags onto packets received from an interface, use:
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 push dot1q 100
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 push dot1ad 100 150
Tags can also be translated, which is basically a combination of a pop and push.
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 1-1 dot1ad 100
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 2-2 dot1ad 100 150
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 1-2 dot1q 100
set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 2-1 dot1q 100 150
To display the VLAN Tag settings, show the associate bridge-domain:
show bridge-domain 200 detail
ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
200 1 on on on on off N/A
Interface Index SHG BVI VLAN-Tag-Rewrite
GigabitEthernet0/8/0.200 5 0 - trans-1-1 dot1ad 100
GigabitEthernet0/9/0.200 4 0 - none
GigabitEthernet0/a/0.200 6 0 - none
Declaration: int_l2_vtr_cli src/vnet/l2/l2_vtr.c line 674
Implementation: int_l2_vtr
set interface l2 xconnect
set interface l2 xconnect <interface> <peer interface>
Use this command put an interface into Layer 2 cross-connect mode. Both interfaces must be in this mode for bi-directional traffic. All packets received on one interface will be transmitted to the other. To remove the Layer 2 cross-connect, put the interface in a different mode, for example Layer 3 mode.
Example of how to configure a Layer2 cross-connect between two interfaces:
set interface l2 xconnect GigabitEthernet0/8/0.300 GigabitEthernet0/9/0.300
set interface l2 xconnect GigabitEthernet0/9/0.300 GigabitEthernet0/8/0.300
Example of how to remove a Layer2 cross-connect:
set interface l3 GigabitEthernet0/8/0.300
set interface l3 GigabitEthernet0/9/0.300
Declaration: int_l2_xc_cli src/vnet/l2/l2_input.c line 716
Implementation: int_l2_xc
set interface l2 xcrw
set interface l2 xcrw <interface> next <node-name>
[del] [tx-fib-id <id>] [ipv6] rw <hex-bytes>
Add or delete a Layer 2 to Layer 3 rewrite cross-connect. This is used to hook Layer 2 interface(s) up to the Layer 3 stack in arbitrary ways. For example, cross-connect an L2 interface or (future) bridge to an mpls-o-gre tunnel. Set up the L2 rewrite string as shown in mpls_gre_rewrite, and use "mpls-post-rewrite" to fix the GRE IP header checksum and length fields.
practical example.
Declaration: set_l2_xcrw_command src/vnet/l2/l2_xcrw.c line 500
Implementation: set_l2_xcrw_command_fn
set l2fib scan-delay
set l2fib scan-delay <delay>
This command set scan delay (in 1/10s unit)
Declaration: l2fib_set_scan_delay_cli src/vnet/l2/l2_fib.c line 868
Implementation: l2fib_set_scan_delay
show bridge-domain
show bridge-domain [bridge-domain-id [detail|int|arp|bd-tag]]
Show a summary of all the bridge-domain instances or detailed view of a
single bridge-domain. Bridge-domains are created by adding an interface
to a bridge using the set interface l2 bridge command.
Example of displaying all bridge-domains:
show bridge-domain
ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
0 0 off off off off off local0
200 1 on on on on off N/A
Example of displaying details of a single bridge-domains:
show bridge-domain 200 detail
ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
200 1 on on on on off N/A
Interface Index SHG BVI VLAN-Tag-Rewrite
GigabitEthernet0/8/0.200 3 0 - none
GigabitEthernet0/9/0.200 4 0 - none
Declaration: bd_show_cli src/vnet/l2/l2_bd.c line 1353
Implementation: bd_show
show l2 rewrite entries
show l2 rewrite entries
This command displays all l2 rewrite entries.
Example of how to display all l2 rewrite entries:
show l2 rewrite entries
0 - mask:ffffffffffff00000000000000000000
value:aabbccddeeff00000000000000000000
hits:0 skip_bytes:0
Declaration: l2_rw_show_entries_cli src/vnet/l2/l2_rw.c line 573
Implementation: l2_rw_show_entries_cli_fn
show l2 rewrite interfaces
show l2 rewrite interfaces
This command displays the l2 rewrite entries of the interfaces.
Example of how to display the l2 rewrite rules on the interface:
show l2 rewrite interfaces
sw_if_index:4 table-index:0 miss-index:0
Declaration: l2_rw_show_interfaces_cli src/vnet/l2/l2_rw.c line 536
Implementation: l2_rw_show_interfaces_cli_fn
show l2fib
show l2fib [all] | [bd_id <nn> | bd_index <nn>] [learn | add] | [raw]
This command displays the MAC Address entries of the L2 FIB table. Output can be filtered to just get the number of MAC Addresses or display each MAC Address for all bridge domains or just a single bridge domain.
Example of how to display the number of MAC Address entries in the L2 FIB table:
show l2fib
3 l2fib entries
Example of how to display all the MAC Address entries in the L2 FIB table:
show l2fib all
Mac Address BD Idx Interface Index static filter bvi refresh timestamp
52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0
52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0
52:54:00:53:18:77 1 N/A -1 1 1 0 0 0
3 l2fib entries
Declaration: show_l2fib_cli src/vnet/l2/l2_fib.c line 357
Implementation: show_l2fib
show l2patch
Show l2 interface cross-connect entries
Show Layer 2 patch entries.
show l2patch
practical example.
Declaration: show_l2patch_cli src/vnet/l2/l2_patch.c line 425
Implementation: show_l2patch
show l2xcrw
show l2xcrw
Display a Layer 2 to Layer 3 rewrite cross-connect. This is used to hook Layer 2 interface(s) up to the Layer 3 stack in arbitrary ways.
practical example.
Declaration: show_l2xcrw_command src/vnet/l2/l2_xcrw.c line 589
Implementation: show_l2xcrw_command_fn
show mode
show mode [<if-name1> <if-name2> ...]
Modify the packet processing mode of the interface to Layer 3, which implies packets will be routed. This is the default mode of an interface. Use this command to remove an interface from a Layer 2 cross-connect or a Layer 2 bridge.
Example of how to set the mode of an interface to Layer 3:
set interface l3 GigabitEthernet0/8/0.200
Show the packet processing mode (Layer2 cross-connect, Layer 2 bridge, Layer 3 routed) of all interfaces and sub-interfaces, or limit the output to just the provided list of interfaces and sub-interfaces. The output shows the mode, the interface, and if the interface is a member of a bridge, the bridge-domain-id and the split horizon group (shg).
Example of displaying the mode of all interfaces:
show mode
l3 local0
l3 GigabitEthernet0/8/0
l3 GigabitEthernet0/9/0
l3 GigabitEthernet0/a/0
l2 bridge GigabitEthernet0/8/0.200 bd_id 200 shg 0
l2 bridge GigabitEthernet0/9/0.200 bd_id 200 shg 0
l2 bridge GigabitEthernet0/a/0.200 bd_id 200 shg 0
l2 xconnect GigabitEthernet0/8/0.300 GigabitEthernet0/9/0.300
l2 xconnect GigabitEthernet0/9/0.300 GigabitEthernet0/8/0.300
Example of displaying the mode of a selected list of interfaces:
show mode GigabitEthernet0/8/0 GigabitEthernet0/8/0.200
l3 GigabitEthernet0/8/0
l2 bridge GigabitEthernet0/8/0.200 bd_id 200 shg 0
Declaration: show_l2_mode src/vnet/l2/l2_input.c line 882
Implementation: show_int_mode
test l2fib
test l2fib [add|del|check] mac <base-addr> count <nn>
The set of test l2fib commands allow the L2 FIB table of the default
bridge domain (bridge-domain-id of 0) to be modified.
Example of how to add a set of 4 sequential MAC Address entries to L2 FIB table of the default bridge-domain:
test l2fib add mac 52:54:00:53:00:00 count 4
Show the set of 4 sequential MAC Address entries that were added:
show l2fib verbose
Mac Address BD Idx Interface Index static filter bvi refresh timestamp
52:54:00:53:00:00 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
52:54:00:53:00:01 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
52:54:00:53:00:03 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
52:54:00:53:00:02 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
4 l2fib entries
Example of how to check that the set of 4 sequential MAC Address entries were added to L2 FIB table of the default bridge-domain. Used a count of 5 to produce an error:
test l2fib check mac 52:54:00:53:00:00 count 5
The output of the check command is in the log files. Log file location may vary based on your OS and Version:
# tail -f /var/log/messages | grep l2fib_test_command_fn
Sep 7 17:15:24 localhost vnet[4952]: l2fib_test_command_fn:446: key 52:54:00:53:00:04 AWOL
Example of how to delete a set of 4 sequential MAC Address entries from L2 FIB table of the default bridge-domain:
test l2fib del mac 52:54:00:53:00:00 count 4
Declaration: l2fib_test_command src/vnet/l2/l2_fib.c line 728
Implementation: l2fib_test_command_fn
test l2patch
test l2patch rx <intfc> tx <intfc> [del]
Create or delete a Layer 2 patch.
test l2patch rx <intfc> tx <intfc> [del]
practical example.
Declaration: test_patch_command src/vnet/l2/l2_patch.c line 373
Implementation: test_patch_command_fn