routing problem help plz

Let me add more detail:

Router B can ping FE 192.168.1.2 but can't ping switch 3750 192.168.1.1

CAT3750 ----------Router A ------- [WAN 20.0.0.1-2] ----- Router B

192.168.1.1/24 192.168.1.2/24 10.0.1.1/24

3750 can ping 10.0.10.1 Router A can ping 10.0.1.1 Router A can traceroute to Router B 10.0.10.1 or PC on the Router B Site (10.0.10.x)

Router B can ping 192.168.1.2 Router B can trace route to 192.168.1.2 Router B can't ping 192.168.1.1 Router B can't ping 192.168.1.x (any pc that attached to 3750) Router B can't traceroute to Switch 3750 192.168.1.1 or PC on the Router B Site (192.168.1.1)

Router EIGEP 10 network 192.168.0.0 network 10.0.0.0 redistribute static

Please post routing table from router B...

B.R. Igor

Here what Ithink it may help at the switch default gateway 192.168.1.2

at router A router eigrp 10 network 192.168.1.0 network 20.0.0.0

at router B router eigrp 10 network 10.0.1.0 network 20.0.0.0

Igor Mamuzic wrote:

You have posted only eigrp configuration, but we need to check is this eigrp really works, so I need to see your routerB routing table.... On router B execute 'show ip route' and post the output.

B.R. Igor

I changed configuration a bit

Rotuer A eth: 192.168.1.215 se: 10.10.10.1

Router B 192.168.2.1 se: 10.10.10.2

3750 VLAN1: 192.168.1.1

Firewall --> to Internet 192.168.1.3

Routing Table : Router A

Gateway of last resort is not set

10.0.0.0/8 is variably subnetted, 3 subnets, 3 masks C 10.0.10.0/24 is directly connected, Serial0/1/0 C 10.0.10.2/32 is directly connected, Serial0/1/0 D 10.0.0.0/8 is a summary, 08:02:04, Null0 C 192.168.1.0/24 is directly connected, FastEthernet0/0 D 192.168.2.0/24 [90/540160] via 10.0.10.2, 07:42:46, Serial0/1/0

Routing Table : Router B

Gateway of last resort is not set

10.0.0.0/8 is variably subnetted, 3 subnets, 3 masks C 10.0.10.0/24 is directly connected, Serial0/1/0 C 10.0.10.1/32 is directly connected, Serial0/1/0 D 10.0.0.0/8 is a summary, 07:36:05, Null0 D 192.168.1.0/24 [90/540160] via 10.0.10.1, 07:55:17, Serial0/1/0 C 192.168.2.0/24 is directly connected, FastEthernet0/0

Routing Table : 3750 Switch

Gateway of last resort is 192.168.1.3 to network 0.0.0.0

C 192.168.1.0/24 is directly connected, Vlan1 S 192.168.2.0/24 [1/0] via 192.168.1.215 S* 0.0.0.0/0 [1/0] via 192.168.1.3

EIGRP Both Router

router eigrp 10 network 10.0.0.0 network 192.168.1.0 network 192.168.2.0 auto-summary

router eigrp 10 network 10.0.0.0 network 192.168.1.0 network 192.168.2.0 auto-summary

I thing it may be a problem with the switch configuration... Please post output from the 'show ip protocol' command (on 3750) and also 'show run int [interface to the router A]'...(on 3750) What did you meant when you wrote: "Firewall --> to Internet 192.168.1.3" ? Disable any security (firewalls and/or access-lists) when you are troubleshooting connectivity because security is nothing without connectivity! :)

And for the testing purposes, at the switch add a static route 'ip route

10.0.0.0 255.0.0.0 192.168.1.215' and then check if you can ping VLAN 1 (192.168.1.1) from router B.

B.R. Igor

1. I only get this line after sh ip protocol

Main_Switch_HQ#sh ip protocol

*** IP Routing is NSF aware ***

1. sh run int fa on router A

RouterA#sh run int fastEthernet 0/0 Building configuration...

Current configuration : 152 bytes ! interface FastEthernet0/0 description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0$ ip address 192.168.1.215 255.255.255.0 duplex auto speed auto end

1. Yes!, after I put 10.0.0.0 255.0.0.0 192.168.1.215' , I can ping VLAN 1 And now I can ping 2950 switch 192.168.1.21 and 192.168.1.22

But I still can't ping 192.168.1.9

Now it's a good news... Servers are unreachable probably because they are not in the appropriate VLAN... They should be in VLAN 1 if it has an ip address of 192.168.1.1.

Check whether server ports are in the vlan 1. Log in to switch and execute 'show vlan brief'. Output should show that server ports are belonging to the vlan 1. (This is default vlan for all ports). If they are not in the vlan 1, place them with this interface configuration command 'switchport access vlan 1'. After that check the trunking between your switches (if servers are connected into another switch). You may do that with 'show int trunk' command. Output should indicate port that connects another switch as trunking port with one of the encapsulation types (ISL or 802.1q) and VLAN 1 (among the others) as allowed on the trunk.

Also check default gateway on your servers. It needs to be 192.168.1.1 if servers are in VLAN 1.

Now you should be able to ping servers from router B.

If this works then let me know and after that we will deal with your EIGRP configuration since I don't see that EIGRP in AS 10 is running on this 3750, but leave EIGRP for better times:). For now we must provide router Bservers in vlan 1 connectivity...

B.R. Igor

Yes, the server port is on VLAN1. And the switch has been trunked. I don't have access to the server at this moment. I hope that changing gateway to 192.168.1.1 on the server can solve the whole thing. I'll let you know. :)

Thamks a lot,

Newbie,

Yes, sir. It's working. After changing the gateway on the SAP server to

192.168.1.1. It's working now. Thanks a lot,

Newbie,