Configuring BFD

This section provides a sample of configuring BFD using the edit-config method.

**Table 1** Configuring BFD
Operation	XPATH
edit-config	/huawei-bfd:bfd

Data Requirements

**Table 2** Configuring BFD
Item	Data	Description
VPN instance name	abc	Set the name of a VPN instance to abc.
RD for a VPN instance address family	4:4	Set the RD for a VPN instance address family to 4:4.
VPN instance bound to an interface	abc	Set the name of the VPN instance bound to the interface to abc.
Name and number of the interface bound to the VPN instance	Vlanif5	Bind the VPN instance to the interface Vlanif5.
BFD	true	Enable BFD globally.
BFD session name	abc	Set the name of a BFD session to abc.
Peer IP address bound to a BFD session	10.10.10.1	Bind a BFD session to the peer IP address 10.10.10.1.
Type and number of the interface bound to a BFD session	Vlanif5	Bind a BFD session to Vlanif5.
Source IP address carried in BFD packets	10.10.10.2	Set the source IP address carried in BFD packets to 10.10.10.2.
Name of the VPN instance bound to a BFD session	abc	Set the name of the VPN instance bound to the BFD session to abc.
Automatic negotiation of local and remote discriminators	false	Disable automatic negotiation of local and remote discriminators.
Local discriminator	6	Set the local discriminator to 6.
Remote discriminator	8	Set the remote discriminator to 8.
Local detection multiplier	3	Set the local detection multiplier of BFD sessions to 3.
Interval for sending BFD packets	500	Set the interval for sending BFD packets to 500 ms.
Interval for receiving BFD packets	500	Set the interval for receiving BFD packets to 500 ms.
Whether to submit the BFD session configuration	true	Submit the BFD session configuration.
Type and number of an interface	Vlanif5	Create the interface Vlanif5.
Interface type	iana-if-type:propVirtual	Set the interface type.
Interface IP address	10.10.10.2	Set the interface IP address to 10.10.10.2.
Mask length	24	Set the mask length to 24.

Request Example

<?xml version="1.0" encoding="utf-8"?>
<rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="9">
	<edit-config>
		<target>
			<running/>
		</target>
		<config xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0">
                        <hw-l3vpn:vpn-instances xmlns:hw-l3vpn="urn:huawei:params:xml:ns:yang:huawei-l3vpn">
                          <hw-l3vpn:vpn-instance>
                            <hw-l3vpn:vpn-instance-name>abc</hw-l3vpn:vpn-instance-name>
                            <hw-bgp-vpn:ipv4-family xmlns:hw-bgp-vpn="urn:huawei:params:xml:ns:yang:huawei-bgp-l3vpn">
                              <hw-bgp-vpn:route-distinguisher>4:4</hw-bgp-vpn:route-distinguisher>
                            </hw-bgp-vpn:ipv4-family>
                          </hw-l3vpn:vpn-instance>
                        </hw-l3vpn:vpn-instances>
                        <hw-l3vpn:vpn-interfaces xmlns:hw-l3vpn="urn:huawei:params:xml:ns:yang:huawei-l3vpn">
                          <hw-l3vpn:vpn-interface>
                            <hw-l3vpn:name>Vlanif5</hw-l3vpn:name>
                            <hw-l3vpn:vpn-instance-name>abc</hw-l3vpn:vpn-instance-name>
                          </hw-l3vpn:vpn-interface>
                        </hw-l3vpn:vpn-interfaces>
			<hw-bfd:bfd xmlns:hw-bfd="urn:huawei:params:xml:ns:yang:huawei-bfd">
				<hw-bfd:enable>true</hw-bfd:enable>
				<hw-bfd:bfd-session nc:operation="merge">
					<hw-bfd:session-name>abc</hw-bfd:session-name>
					<hw-bfd:config-destination-ip>10.10.10.1</hw-bfd:config-destination-ip>
                                        <hw-bfd:vpn-instance-name>abc</hw-bfd:vpn-instance-name>
					<hw-bfd:out-interface>Vlanif5</hw-bfd:out-interface>
					<hw-bfd:source-ip>10.10.10.2</hw-bfd:source-ip>
					<hw-bfd:auto>false</hw-bfd:auto>
					<hw-bfd:local-discriminator>6</hw-bfd:local-discriminator>
					<hw-bfd:remote-discriminator>8</hw-bfd:remote-discriminator>
					<hw-bfd:detect-multiplier>3</hw-bfd:detect-multiplier>
					<hw-bfd:desired-min-tx-interval>500</hw-bfd:desired-min-tx-interval>
					<hw-bfd:required-min-rx-interval>500</hw-bfd:required-min-rx-interval>
					<hw-bfd:commit>true</hw-bfd:commit>
				</hw-bfd:bfd-session>
			</hw-bfd:bfd>
			<if:interfaces xmlns:if="urn:ietf:params:xml:ns:yang:ietf-interfaces">
				<if:interface>
					<if:name>Vlanif5</if:name>
					<if:type xmlns:iana-if-type="urn:ietf:params:xml:ns:yang:iana-if-type">iana-if-type:propVirtual</if:type>
					<ip:ipv4 xmlns:ip="urn:ietf:params:xml:ns:yang:ietf-ip">
						<ip:address>
							<ip:ip>10.10.10.2</ip:ip>
							<ip:prefix-length>24</ip:prefix-length>
						</ip:address>
					</ip:ipv4>
				</if:interface>
			</if:interfaces>
		</config>
	</edit-config>
</rpc>

Deletion Request Example

<?xml version="1.0" encoding="utf-8"?>
<rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="9">
  <edit-config>
    <target>
      <running/>
    </target>
    <config xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0">
      <if:interfaces xmlns:if="urn:ietf:params:xml:ns:yang:ietf-interfaces" nc:operation="delete">
        <if:interface nc:operation="merge">
          <if:name>Vlanif5</if:name>
          <if:type xmlns:iana-if-type="urn:ietf:params:xml:ns:yang:iana-if-type">iana-if-type:propVirtual</if:type>
          <ip:ipv4 xmlns:ip="urn:ietf:params:xml:ns:yang:ietf-ip">
            <ip:address>
              <ip:ip>10.10.10.2</ip:ip>
              <ip:prefix-length>24</ip:prefix-length>
            </ip:address>
          </ip:ipv4>
        </if:interface>
      </if:interfaces>
      <hw-l3vpn:vpn-instances xmlns:hw-l3vpn="urn:huawei:params:xml:ns:yang:huawei-l3vpn" nc:operation="delete">
        <hw-l3vpn:vpn-instance>
          <hw-l3vpn:vpn-instance-name>abc</hw-l3vpn:vpn-instance-name>
          <hw-bgp-vpn:ipv4-family xmlns:hw-bgp-vpn="urn:huawei:params:xml:ns:yang:huawei-bgp-l3vpn">
            <hw-bgp-vpn:route-distinguisher>4:4</hw-bgp-vpn:route-distinguisher>
          </hw-bgp-vpn:ipv4-family>
        </hw-l3vpn:vpn-instance>
      </hw-l3vpn:vpn-instances>
      <hw-l3vpn:vpn-interfaces xmlns:hw-l3vpn="urn:huawei:params:xml:ns:yang:huawei-l3vpn" nc:operation="delete">
        <hw-l3vpn:vpn-interface>
          <hw-l3vpn:name>Vlanif5</hw-l3vpn:name>
          <hw-l3vpn:vpn-instance-name>abc</hw-l3vpn:vpn-instance-name>
        </hw-l3vpn:vpn-interface>
      </hw-l3vpn:vpn-interfaces>
      <hw-bfd:bfd xmlns:hw-bfd="urn:huawei:params:xml:ns:yang:huawei-bfd" nc:operation="delete">
        <hw-bfd:enable>true</hw-bfd:enable>
        <hw-bfd:bfd-session>
          <hw-bfd:session-name>abc</hw-bfd:session-name>
          <hw-bfd:config-destination-ip>10.10.10.1</hw-bfd:config-destination-ip>
          <hw-bfd:vpn-instance-name>abc</hw-bfd:vpn-instance-name>
	  <hw-bfd:out-interface>Vlanif5</hw-bfd:out-interface>
	  <hw-bfd:source-ip>10.10.10.2</hw-bfd:source-ip>
	  <hw-bfd:auto>false</hw-bfd:auto>
	  <hw-bfd:local-discriminator>6</hw-bfd:local-discriminator>
	  <hw-bfd:remote-discriminator>8</hw-bfd:remote-discriminator>
	  <hw-bfd:detect-multiplier>3</hw-bfd:detect-multiplier>
	  <hw-bfd:desired-min-tx-interval>500</hw-bfd:desired-min-tx-interval>
	  <hw-bfd:required-min-rx-interval>500</hw-bfd:required-min-rx-interval>
	  <hw-bfd:commit>true</hw-bfd:commit>
        </hw-bfd:bfd-session>
      </hw-bfd:bfd>
    </config>
  </edit-config>
</rpc>

Response Example

Sample of successful response

<?xml version='1.0' encoding='UTF-8'?>
<rpc-reply xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="9">
  <ok/>
</rpc-reply>

Sample of failed response

<?xml version="1.0" encoding="utf-8"?>
<rpc-reply xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="9">
	<rpc-error>
		<error-app-tag>-1</error-app-tag>
		<error-message>Please enable BFD in global mode first.</error-message>
		<error-info>Error on node /huawei-bfd:bfd/bfd-session[session-name="ab"]</error-info>
	</rpc-error>
</rpc-reply>