Disclaimer: this is for a uni assignment, but I am after troubleshooting help with a specific problem rather than general help.
I am creating an network across 2 buildings. I have layer 3 switches acting as my main routers in each building with a fibre connection between them. These connect to L3 switches in each company department which provide PoE to IP phones and onwards to the PC behind the phone.
I have a dedicated Call Manager (CM) Router set up in each building, directly connected to the main L3 routing switch. Every phone has successfully registered and I can call other phones in the same building. However, I cannot call a phone in another building.
I also discovered that I cannot ping the CM router in either network from any device (either in the same building or outside it). I can only ping as far as the gateway interface to the device.
I think it is a routing issue, but I am stumped as the call managers clearly work and have a connection to my network or the phones wouldn't work.
Do you have any suggestions for things to check or something I am missing to enable cross-building phone calls and/or to ping the CM routers?
Network set up notes:
- Each department is it's own VLAN and the voice has it's own VLAN. Voice and Access ports are all set up.
- Inter-vlan routing is OK - I can ping from PCs in one building to PCs/Servers/Wireless devices in the other.
- EIGRP is set up on both the building L3 switches doing the routing but not the department ones
- Every network is listed correctly in the EIGRP topology table
EDIT: added EIGRP topology table in case it helps
In case it helps, my running config on main L3 switch in building A - 1/0/24 is the CM int, vlan 98 is voice vlan:
Current configuration : 2307 bytes ! version 16.3.2 no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption ! hostname Hammersmith_Switch ! ! no ip cef ip routing ! no ipv6 cef ! ! spanning-tree mode pvst ! ! interface GigabitEthernet1/0/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/2 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/3 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/4 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/5 switchport trunk encapsulation dot1q switchport mode trunk ! [output cut between interface GigabitEthernet1/0/6 - 1/0/23 as not in use] ! interface GigabitEthernet1/0/24 switchport access vlan 98 switchport mode access switchport nonegotiate ! interface GigabitEthernet1/1/1 no switchport ip address 192.168.97.2 255.255.255.0 ! interface GigabitEthernet1/1/2 ! interface GigabitEthernet1/1/3 ! interface GigabitEthernet1/1/4 ! interface Vlan1 no ip address shutdown ! interface Vlan40 mac-address 00d0.ba77.cb01 ip address 192.168.40.1 255.255.255.0 ip helper-address 192.168.90.4 ! interface Vlan98 mac-address 00d0.ba77.cb02 ip address 192.168.98.1 255.255.255.0 ip helper-address 192.168.98.2 ! router eigrp 1 network 192.168.10.0 network 192.168.20.0 network 192.168.30.0 network 192.168.40.0 network 192.168.90.0 network 192.168.91.0 network 192.168.92.0 network 192.168.97.0 network 192.168.99.0 network 192.168.98.0 no auto-summary ! ip classless ! ip flow-export version 9 ! ! no cdp run ! ! line con 0 ! line aux 0 ! line vty 0 4 login ! ! end EIGRP topology table:
IP-EIGRP Topology Table for AS 1/ID(192.168.98.1) Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - Reply status P 192.168.10.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.20.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.30.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.40.0/24, 1 successors, FD is 25625600 via Connected, Vlan40 P 192.168.90.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.91.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.92.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.97.0/24, 1 successors, FD is 2816 via Connected, GigabitEthernet1/1/1 P 192.168.98.0/24, 1 successors, FD is 25625600 via Connected, Vlan98 P 192.168.99.0/24, 1 successors, FD is 25625856 via 192.168.97.1 (25625856/25625600), GigabitEthernet1/1/1 Building B running config - 1/0/6 is the CM int, vlan 99 is voice vlan:
Current configuration : 3633 bytes ! version 16.3.2 no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption ! hostname Croydon_Switch ! ! no ip cef ip routing ! no ipv6 cef ! ! spanning-tree mode pvst ! ! interface GigabitEthernet1/0/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/2 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/3 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet1/0/4 switchport access vlan 90 switchport mode access switchport nonegotiate ! interface GigabitEthernet1/0/5 ! interface GigabitEthernet1/0/6 switchport access vlan 99 switchport mode access switchport nonegotiate ! interface GigabitEthernet1/0/7 switchport access vlan 90 switchport mode access switchport nonegotiate ! interface GigabitEthernet1/0/8 switchport access vlan 90 ! interface GigabitEthernet1/0/9 switchport access vlan 92 switchport mode access switchport nonegotiate ! [output cut between interface GigabitEthernet1/0/10 - 1/0/24 as not in use] ! interface GigabitEthernet1/1/1 no switchport ip address 192.168.97.1 255.255.255.0 ! interface GigabitEthernet1/1/2 ! interface GigabitEthernet1/1/3 ! interface GigabitEthernet1/1/4 ! interface Vlan1 no ip address shutdown ! interface Vlan10 mac-address 000d.bd2c.6201 ip address 192.168.10.1 255.255.255.0 ip helper-address 192.168.90.4 ! interface Vlan20 mac-address 000d.bd2c.6202 ip address 192.168.20.1 255.255.255.0 ip helper-address 192.168.90.4 ! interface Vlan30 mac-address 000d.bd2c.6203 ip address 192.168.30.1 255.255.255.0 ip helper-address 192.168.90.4 ! interface Vlan90 mac-address 000d.bd2c.6204 ip address 192.168.90.1 255.255.255.0 ! interface Vlan91 mac-address 000d.bd2c.6205 ip address 192.168.91.1 255.255.255.0 ! interface Vlan92 mac-address 000d.bd2c.6206 ip address 192.168.92.1 255.255.255.0 ip helper-address 192.168.90.4 ! interface Vlan99 mac-address 000d.bd2c.6207 ip address 192.168.99.1 255.255.255.0 ip helper-address 192.168.90.4 ! router eigrp 1 network 192.168.10.0 network 192.168.20.0 network 192.168.30.0 network 192.168.90.0 network 192.168.91.0 network 192.168.92.0 network 192.168.98.0 network 192.168.99.0 network 192.168.40.0 network 192.168.97.0 no auto-summary ! ip classless ip route 0.0.0.0 0.0.0.0 192.168.92.2 ! ip flow-export version 9 ! ! line con 0 ! line aux 0 ! line vty 0 4 login ! ! end EIGRP Topology table:
IP-EIGRP Topology Table for AS 1/ID(192.168.99.1) Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - Reply status P 192.168.10.0/24, 1 successors, FD is 25625600 via Connected, Vlan10 P 192.168.20.0/24, 1 successors, FD is 25625600 via Connected, Vlan20 P 192.168.30.0/24, 1 successors, FD is 25625600 via Connected, Vlan30 P 192.168.40.0/24, 1 successors, FD is 25625856 via 192.168.97.2 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.90.0/24, 1 successors, FD is 25625600 via Connected, Vlan90 P 192.168.91.0/24, 1 successors, FD is 25625600 via Connected, Vlan91 P 192.168.92.0/24, 1 successors, FD is 25625600 via Connected, Vlan92 P 192.168.97.0/24, 1 successors, FD is 2816 via Connected, GigabitEthernet1/1/1 P 192.168.98.0/24, 1 successors, FD is 25625856 via 192.168.97.2 (25625856/25625600), GigabitEthernet1/1/1 P 192.168.99.0/24, 1 successors, FD is 25625600 via Connected, Vlan99
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