FWSM routing issue

Unanswered Question
Jul 14th, 2010
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We are facing a strange issue in FWMS firewall.


The Firewall Architecture is as below.


There are 4 VLAN Interface in Firewall

Outside- VLAN 10 - 10.10.10.226/28

VLAN 255 - 10.10.255.0/24

VLAN 891- 10.10.89.16/28

VLAN 892- 10.10.89.32/28


The issue is one purticular IP address - 10.10.89.30 send request (out request) from Outside VLAN 10 is forwarding through VLAN 892 and its failing communication, but if it is from VLAN 255 its forwarding through VLAN 891 - correctly. At the same time all other IP address in the same subnet (10.10.89.16/28) forwarding through VLAN 891 from both VLAN (VLAN 10 & VLAN 255) and its working fine.


The ARP entry for the 10.10.89.30 is showing only in VLAN 891 eventhough its forwarding to VLAN 892.


There is no static route for this IP address.

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