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campus access network configuration

Created: Jul 18, 2021 06:00:30Latest reply: Feb 1, 2022 09:04:43 319 3 0 0 0
  Rewarded HiCoins: 0 (problem resolved)

Hello Dear Community!


I am currently implementing a campus access network as shown in the topology.

The Switch Core units are from the reference 6730H


config



In the network that I want to deploy there are several departments and I want to assign a different address for each one. 

 

In the switch I have the following configuration

 

interface vlanif 10

ip address 192.168.10.1 24

dhcp select global

 

ip pool VLAN 10

 gateway-list 192.168.10.1

 network 192.168.10.1 mask 255.255.255.0

 excluded-ip-address 192.168.10.2 192.168.10.10

 

interface XGigabitEthernet0 / 0/1

 port link-type trunk

 port trunk allow-pass vlan 10

 

In the OLT I have the following configuration

 

vlan 10 smart

port vlan 10 0/3 / 0 /// I only have one uplink port configured to the switch

 

dhcp mode layer-3 standard

 

 dhcp server mode backup 20 10

 dhcp-server 1 ip 192.168.10.1

 dhcp relay-interface src-ip send

 

interface vlanif 10

ip address 192.168.10.2 24

dhcp-server 1

 

The connectivity between the switch if it exists, at the time of pinging the 192.168.10.1 from the OLT if it responds.

 

When I configure the ONT to test the DHCP addressing that I want to supply through the swtich, the device remains in the requesting state and no IP is assigned to the ONT, the encapsulation mode is as IPoE in the ONT.

 

service-port 1 vlan 10 gpon 0/1/1 ont 1 gemport 2 multi-service user-vlan 10 tag-transform translate inbound traffic-table index 5 outbound traffic-table index 5

 

EA5800-X2 (config) #display ont wan-info 0/1 1 1 

{<cr> || <K>}: 

 

  Command:

          display ont wan-info 0/1 1 1

  -------------------------------------------------- -------------------

  F / S / P: 0/1/1

  ONT ID: 1     

  -------------------------------------------------- -------------------

  Index: 1

  Name: 1_INTERNET_R_VID_10

  Service type: Internet

  Connection type: IP routed

  IPv4 Connection status: Connecting

  IPv4 access type: DHCP

  IPv4 address: -

  Subnet mask: -

  Default gateway: -

 

Please advise in what part of the configuration I have missed? 


Featured Answers
SalemKhan
Created Feb 1, 2022 09:04:43

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Chenxintao
Admin Created Jul 20, 2021 05:44:33

Hello, friend!


I'm sorry I'm late. Because I don't know the detailed configuration information of the device, I'll only judge based on the information you provided:


The OLT is configured with VLAN 10 for upstream packets, and the switch is configured to receive only VLAN 10 packets. If the ONT cannot obtain an IP address from the switch in DHCP mode, the fault may occur in the OLT relay configuration.


You can check whether the OLT configuration is correct and whether the OLT sends the ONT IP address assignment request packet to the switch through the correct interface.


You can also run the dhcp relay-interface command to set the mode for the DHCP Layer 3 relay to fill in the source IP address or GIADDR of packets. When a DHCP relay agent unicasts a user's broadcast packet to the DHCP server, the DHCP relay agent can set the source IP address and gateway IP address in the unicast DHCP packet. This parameter can be set to the IP address of the sending interface (network-side) or the IP address of the receiving interface (user-side).


Format: dhcp relay-interface relay-agent


Thanks!


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Hello, friend!


I'm sorry I'm late. Because I don't know the detailed configuration information of the device, I'll only judge based on the information you provided:


The OLT is configured with VLAN 10 for upstream packets, and the switch is configured to receive only VLAN 10 packets. If the ONT cannot obtain an IP address from the switch in DHCP mode, the fault may occur in the OLT relay configuration.


You can check whether the OLT configuration is correct and whether the OLT sends the ONT IP address assignment request packet to the switch through the correct interface.


You can also run the dhcp relay-interface command to set the mode for the DHCP Layer 3 relay to fill in the source IP address or GIADDR of packets. When a DHCP relay agent unicasts a user's broadcast packet to the DHCP server, the DHCP relay agent can set the source IP address and gateway IP address in the unicast DHCP packet. This parameter can be set to the IP address of the sending interface (network-side) or the IP address of the receiving interface (user-side).


Format: dhcp relay-interface relay-agent


Thanks!


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