Configuring BGP on Cisco router C1113 router

[tiamat]

Dear all,

I need to configure a Cisco C1113 (router B) to enable BGP Routing between two networks.

Router A is already configured by my provider and I need to configure my router B, but I would need to make sure that my configuration is correct...

Here is the connexion I established:

         ASN 50624                      ASN 50600           (vlan2)
          ______                         ______            10.1.0.10
10.0.0.0 |      | 169.254.253.1         |      |           10.1.0.11
---------|   A  |-----------------------|  B   |---------- 10.1.0.14
         |______|         169.254.253.2 |______|           10.1.0.24

connexion between router A and B is done through a SFP Fiber

I would need to make sure that my 4 IPs from ASN 50600 are available over the network 10.0.0.0...

Here is the configuration I set:

for interfaces:

enable
configure terminal
interface GigabitEthernet0/1/0
switchport mode access
switchport access vlan 2
interface vlan 2
ip address 10.1.0.10 255.255.255.0
description TS1
end
configure terminal
interface GigabitEthernet0/1/1
switchport mode access
switchport access vlan 2
interface vlan 2
ip address 10.1.0.11 255.255.255.0
description TS 2
end
configure terminal
interface GigabitEthernet0/1/2
switchport mode access
switchport access vlan 2
interface vlan 2
ip address 10.1.0.24 255.255.255.0
description H Preprod
end
configure terminal
interface GigabitEthernet0/1/3
switchport mode access
switchport access vlan 2
interface vlan 2
ip address 10.1.0.14 255.255.255.0
description H Prod
end

and for BGP:

enable 
configure terminal
ip route 10.1.0.0 255.255.255.0 null 0
interface GigabitEthernet0/0/0.2
encapsulation dot1q 2
ip address 169.254.253.2 255.255.255.0
end
enable
configure terminal
router bgp 50600
redistribute connected
redistribute static
bgp router-id 169.254.253.2
bgp log-neighbor-changes
neighbor 169.254.253.1 remote-as 50624
network 10.1.0.0 mask 255.255.255.0
address-family ipv4 unicast
redistribute connected
neighbor 169.254.253.1 default-originate
neighbor 169.254.253.1 advertisement-interval 25
network 10.1.0.0 mask 255.255.255.0
neighbor 169.254.253.1 activate
exit-address-family
address-family ipv4 multicast
redistribute connected
neighbor 169.254.253.1 default-originate
neighbor 169.254.253.1 advertisement-interval 25
network 10.1.0.0 mask 255.255.255.0
neighbor 169.254.253.1 activate
exit-address-family
neighbor 192.254.253.1 activate
end

As I'm not familiar with BGP Protocol, if you can just help me to make sure that configuration is set correctly ? do I need to perform any additional configuration ?

Many thanks for your help !

[paul driver · Accepted solution]

Hello

Not sure you need to send a default route or advertise the null static towards your provider, apart from that the bgp configuration  looks okay

[tiamat]

thanks paul for your confirmation, I'll launch this config in the coming days as I need to be onsite to do it...