topic Re: Home Network configuration help in Routing and SD-WAN

Home Network configuration help

rjlrae20 — Wed, 12 Mar 2025 19:56:12 GMT

Good afternoon,

I am hoping to find some help with my current setup. I have a cisco 2911 (RJRTR)router connected to my ISP, with a cisco 3560 (RJSW1) switch connected using a trunk port. This side is working properly; however, I have an EERO connect to port (Vlan) providing internet to a cisco 1901 (CORPRTR) router and a 2960 (CORPSW1) switch. I cannot get the 1901 or the 2960 to talk to the 3560. I have attached the config run from all devices. If anyone has an idea on what I am missing that would be great.

I want the RJRTR to control the entire network, and I want the CORPRTR be able to get IP from the RJRTR via EERO; the RJ is configured with sub interfaces.

RJSW1 txt file would not upload without errors, file list below.

=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2025.02.28 08:08:28 =~=~=~=~=~=~=~=~=~=~=~=

RJSW1>en
RJSW1#show run
Building configuration...

Current configuration : 6163 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname RJSW1
!
!
no aaa new-model
ip subnet-zero
ip routing
!
!
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
--More-- vlan internal allocation policy ascending
!
interface FastEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/3
switchport access vlan 10
switchport mode access
shutdown
spanning-tree portfast
!
interface FastEthernet0/4
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/5
switchport access vlan 10
--More-- switchport mode access
spanning-tree portfast
!
interface FastEthernet0/6
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/7
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/8
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/9
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
--More-- interface FastEthernet0/10
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/11
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/12
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/13
switchport access vlan 20
switchport mode access
shutdown
spanning-tree portfast
!
interface FastEthernet0/14
switchport access vlan 20
--More-- switchport mode access
spanning-tree portfast
!
interface FastEthernet0/15
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/16
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/17
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/18
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
--More-- interface FastEthernet0/19
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/20
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/21
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/22
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/23
switchport access vlan 20
switchport mode access
--More-- spanning-tree portfast
!
interface FastEthernet0/24
switchport access vlan 20
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/25
switchport access vlan 30
switchport mode access
shutdown
spanning-tree portfast
!
interface FastEthernet0/26
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/27
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
--More-- interface FastEthernet0/28
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/29
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/30
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/31
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/32
switchport access vlan 30
switchport mode access
--More-- spanning-tree portfast
!
interface FastEthernet0/33
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/34
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/35
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/36
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/37
--More-- switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/38
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/39
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/40
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/41
switchport access vlan 50
switchport mode access
spanning-tree portfast
--More-- !
interface FastEthernet0/42
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/43
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/44
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/45
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/46
switchport access vlan 50
--More-- switchport mode access
spanning-tree portfast
!
interface FastEthernet0/47
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/48
switchport access vlan 50
switchport mode access
spanning-tree portfast
!
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface GigabitEthernet0/2
no switchport
no ip address
!
interface GigabitEthernet0/3
no switchport
--More-- no ip address
!
interface GigabitEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface Vlan1
no ip address
!
interface Vlan5
ip address 10.10.5.253 255.255.255.0
!
interface Vlan10
ip address 10.10.10.253 255.255.255.0
!
interface Vlan20
ip address 10.10.20.253 255.255.255.0
!
interface Vlan30
ip address 10.10.30.253 255.255.255.0
!
interface Vlan40
--More-- ip address 10.10.40.253 255.255.255.0
!
interface Vlan50
ip address 10.10.50.253 255.255.255.0
!
ip classless
ip route 0.0.0.0 0.0.0.0 10.10.10.1
ip http server
!
!
control-plane
!
!
line con 0
line vty 0 4
no login
line vty 5 15
no login
!
!
end

RJSW1#
RJSW1#
RJSW1#show ip interface brief
Interface IP-Address OK? Method Status Protocol
Vlan1 unassigned YES NVRAM up up
Vlan5 10.10.5.253 YES manual up up
Vlan10 10.10.10.253 YES manual up up
Vlan20 10.10.20.253 YES manual up up
Vlan30 10.10.30.253 YES manual up up
Vlan40 10.10.40.253 YES manual down down
Vlan50 10.10.50.253 YES manual up up
FastEthernet0/1 unassigned YES unset down down
FastEthernet0/2 unassigned YES unset down down
FastEthernet0/3 unassigned YES unset administratively down down
FastEthernet0/4 unassigned YES unset down down
FastEthernet0/5 unassigned YES unset down down
FastEthernet0/6 unassigned YES unset down down
FastEthernet0/7 unassigned YES unset down down
FastEthernet0/8 unassigned YES unset down down
FastEthernet0/9 unassigned YES unset up up
FastEthernet0/10 unassigned YES unset down down
FastEthernet0/11 unassigned YES unset down down
FastEthernet0/12 unassigned YES unset up up
FastEthernet0/13 unassigned YES unset administratively down down
FastEthernet0/14 unassigned YES unset down down
FastEthernet0/15 unassigned YES unset down down
--More-- FastEthernet0/16 unassigned YES unset down down
FastEthernet0/17 unassigned YES unset down down
FastEthernet0/18 unassigned YES unset down down
FastEthernet0/19 unassigned YES unset down down
FastEthernet0/20 unassigned YES unset down down
FastEthernet0/21 unassigned YES unset up up
FastEthernet0/22 unassigned YES unset down down
FastEthernet0/23 unassigned YES unset down down
FastEthernet0/24 unassigned YES unset up up
FastEthernet0/25 unassigned YES unset administratively down down
FastEthernet0/26 unassigned YES unset down down
FastEthernet0/27 unassigned YES unset down down
FastEthernet0/28 unassigned YES unset down down
FastEthernet0/29 unassigned YES unset up up
FastEthernet0/30 unassigned YES unset down down
FastEthernet0/31 unassigned YES unset down down
FastEthernet0/32 unassigned YES unset up up
FastEthernet0/33 unassigned YES unset up up
FastEthernet0/34 unassigned YES unset down down
FastEthernet0/35 unassigned YES unset down down
FastEthernet0/36 unassigned YES unset up up
FastEthernet0/37 unassigned YES unset down down
FastEthernet0/38 unassigned YES unset down down
--More-- FastEthernet0/39 unassigned YES unset down down
FastEthernet0/40 unassigned YES unset down down
FastEthernet0/41 unassigned YES unset down down
FastEthernet0/42 unassigned YES unset down down
FastEthernet0/43 unassigned YES unset up up
FastEthernet0/44 unassigned YES unset down down
FastEthernet0/45 unassigned YES unset down down
FastEthernet0/46 unassigned YES unset down down
FastEthernet0/47 unassigned YES unset down down
FastEthernet0/48 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset up up
GigabitEthernet0/2 unassigned YES manual down down
GigabitEthernet0/3 unassigned YES NVRAM down down
GigabitEthernet0/4 unassigned YES unset up up
RJSW1#
RJSW1#
RJSW1#
RJSW1#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.10.10.1 to network 0.0.0.0

10.0.0.0/24 is subnetted, 5 subnets
C 10.10.5.0 is directly connected, Vlan5
C 10.10.10.0 is directly connected, Vlan10
C 10.10.20.0 is directly connected, Vlan20
C 10.10.30.0 is directly connected, Vlan30
C 10.10.50.0 is directly connected, Vlan50
S* 0.0.0.0/0 [1/0] via 10.10.10.1
RJSW1#
RJSW1#
RJSW1#

Re: Home Network configuration help

balaji.bandi — Wed, 12 Mar 2025 20:22:20 GMT

May be good to have small diagram

i am in guess your setup like below :

ISP -- cisco 2911 (RJRTR) --cisco 3560 (RJSW1) --cisco 1901 (CORPRTR) router and a 2960 (CORPSW1)-users ?

CORPRTR - getting DHCP IP from Switch so you need to have route like below or DHCP should have route already.

you can change below :

ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/0

You ACL only need your LAN side IP :

access-list 150 permit ip 10.10.5.0 0.0.0.255 any
access-list 150 permit ip 10.10.10.0 0.0.0.255 any
access-list 150 permit ip 10.10.20.0 0.0.0.255 any
access-list 150 permit ip 10.10.30.0 0.0.0.255 any
access-list 150 permit ip 10.10.40.0 0.0.0.255 any
access-list 150 permit ip 10.10.50.0 0.0.0.255 any

You need to add Route back to Switch since Switch having all the Layer 3 interface for clients.

ip address 10.10.1.0 255.255.255.0 (not sure this subnet this conflict with other network so, i prefer to change this to different subnet if you need it) - you can have overlap address but that is different way to fix it.
ip route 10.10.10.0 255.255.255.0 10.10.5.252
ip route 10.10.20.0 255.255.255.0 10.10.5.252
ip route 10.10.30.0 255.255.255.0 10.10.5.252
ip route 10.10.40.0 255.255.255.0 10.10.5.252
ip route 10.10.50.0 255.255.255.0 10.10.5.252

On the switch

no ip route 0.0.0.0 0.0.0.0 10.10.10.1
no ip route 0.0.0.0 0.0.0.0 10.10.1.1
ip route 0.0.0.0 0.0.0.0 10.10.5.2 - this is default route good enough to work.

Hope this help to fix the issue, still issue post again modified config to look.

Re: Home Network configuration help

rjlrae20 — Wed, 12 Mar 2025 21:23:49 GMT

My setup

ISP -- cisco 2911 (RJRTR) --cisco 3560 (RJSW1) port on switch -(10.10.1.0 network) with a EERO

EERO from the (10.10.1.0 network) cisco 1901 (CORPRTR) router and a 2960 (CORPSW1)-users ?

CORPRTR - getting DHCP IP from Switch so you need to have route like below or DHCP should have route already.

Re: Home Network configuration help

balaji.bandi — Thu, 13 Mar 2025 07:55:27 GMT

Make change as suggested and test it.

Re: Home Network configuration help

rjlrae20 — Fri, 14 Mar 2025 18:35:52 GMT

So i made the changes, but it did not work. Right now I am looking at why the CORPRTR can NOT ping any Vlan on CORPSW1

Re: Home Network configuration help

Georg Pauwen — Fri, 14 Mar 2025 19:44:49 GMT

Hello,

can you post a brief schematic drawing showing how your devices are physically connected ? EERO as in mesh wireless router system ?

Either way, your CORPRTR has no route to any of the Vlans on the CORPSW1, it just has a default route, which is not pointing to CORPSW1.

Re: Home Network configuration help

rjlrae20 — Sat, 15 Mar 2025 05:43:25 GMT

Hello i hope this drawing help. want to keep all vlans, leaving room for growth. Actively using

10.10.1.0 - EERO,

10.10.5.0 - Corprtr to corpsw1 ,

10.10.10.0 - RJSW1 all server housing DHCP, DNS,

THE only DCHP pool is for 10.10.5.0 network

Re: Home Network configuration help

balaji.bandi — Sat, 15 Mar 2025 09:19:02 GMT

According to the diagram, using a Router with NAT, you can not extend the VLAN to another system. (until we find a different method like VPN etc on)

Is this all in the same Location or different locations? how is your connection between RJSW1 to RJ(EERO) ?

Instead, you can extend directly Layer2 between RHSW1 to CORPSW1 (if they are same Location)

Post complete configuration after the change done (so we can verifiy that)

Re: Home Network configuration help

rjlrae20 — Sat, 15 Mar 2025 16:54:35 GMT

They are in the same house, RJSW1 is in my living room, and the CORPSW1 in my office. I was trying to avoid the use of an ethernet cable running across the home this is why I have the EERO.

The EERO is plug in a fast-ethernet port which has been set / assigned to the 10.10.1.0 network, the connecting EERO is the incoming connection to CORPRTR "Gi0/0" (via 10.10.1.0 network). "From here I can ping the VLAN of RJSW1, but not the RJRTR sub interfaces.

CORPRTR is connected to the CORPSW1 via Gi0/1 (configued as a trunk).

Re: Home Network configuration help

balaji.bandi — Sat, 15 Mar 2025 19:23:28 GMT

Let's get some clarification: You are extending the network using EERO. Is this EERO (do you have 2 EEROs?)?

Let me try to understand your setup. EEOR is used only to extend the network from one room to another, right?

As I mentioned before, your Router acts as a gateway for an inside network of CORPRTR, so you can not extend the VLAN.

What is your Goal to extend VLAN to other rooms?

you have the following options :

1. Remove Router and extend the VLAN using CORPSw1

2. Run the router in Bridge mode.

check RJSW1 have trunk and allowed the VLAN connected RJRTR

Make sure you use the Gateway 10.10.1.1 for that to works.

If you configured RJSW1 as gateway then it will not work.

Still need assistance post all device show run ( ALL Devices)