It is actually very basic. If someone can run this test on their Cisco 806 and report their findings. I can see the problem by just doing the following:
erase startup-config reload assign IP addresses to both Ethernet interfaces connect my laptop to E0 (4 port LAN hub) connect ISP router to E1 (WAN port) I can ping everything just fine and get out to the Internet once I set up the default route Now I swap the ethernet cables where laptop on E1 (WAN port) ISP router on E0 (4 port hub), then I swap IP addresses at the 806 Ethernet interfaces now -laptop can ping both 806 Ethernet ports -806 can ping laptop, -but neither laptop nor 806 can ping ISP router, nor ISP router can ping 806 -when I turn on "Debug Ip Packet", I get the message "encapsulation failure" while sending packets to E0 and I also see no packets on the wire with my sniffer. -when I do a show interface on the 806 router, encapsulation is set to ARPA for both Ethernet ports. One other piece of information I find unusual is that I get an UP/UP indication when I do a show ethernet 0 (on 4 port LAN hub), even when there are no cables connected to any of the 4 ports. regards, dj John Huston wrote: > cut and paste your config in here so we can see what are doing. > > ""Dimitrije"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Got an 806 router with two Ethernet interfaces used for broadband access to > > the > > Internet. Ethernet 1 is typically the WAN interface pointing towards the > > Internet router, while Ethernet 0 is a 4-port hub used for the local LAN. > > > > Everything works properly when the 806 is configured in the conventional > way, > > with WAN pointing toward Internet router. > > > > However, I have a VPN appliance (with dual Ethernet ports) that needs to be > > in > > parallel to the 806. So I wanted to set-up the 806 with Ethernet 0 (4 port > > hub) > > pointing toward the Internet router along with the public side of the VPN > > applicance while Ethernet 1 of the 806 connected to the corporate LAN > switch > > along with the private side of the VPN. > > > > When I turn the 806 around like this, I get an "encapsulation failure" > > message > > during debug ip packet when sending data over the Ethernet 0 (4 port hub > > connected to the Internet router), thus no packets get sent out that > > Interface. > > I get this error even after I do erase startup-config, reload and only > > assign IP > > addresses to the Ethernet Interfaces. I am not using PPPoe and my > > encapsulation > > type shows ARPA when I display a show interface for both Ethernet ports. > > > > any thoughts?? > > dj Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=43885&t=43813 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
