[nsp] Local Director

Calle Lidström calle at swip.net
Thu Dec 12 16:59:27 EST 2002


On Thu, 12 Dec 2002, odusseus wrote:

>Hi,
>
>I have two machines from the same VLAN and same subnet.
>
>"Between" them it has a local director.
>
>When from Host1 I telnet to Host2 on its real IP address, it works.
>
>But when from Host1, I try to telnet to the virtual IP address of Host2, it failed.
>
>In this second case, a tcpdump on Host2 shows:
>
>Host1-- <SYN=X>--------------------> Host2
>Host1<--<SYN=Y><ACK=X+1>-----Host2
>Host1--<RST>-------------------------> Host2
>Host1--<SYN=A>----------------------> Host2
>Host1<--<SYN=B><ACK=A+1>------Host2
>Host1<--<SYN=B><ACK=A+1>------Host2
>Host1--<RST>-------------------------> Host2
>Host1--<SYN=C>----------------------> Host2
>....
>
>Since using the virtual IP address of Host2 oblige the traffic from Host1
>to use somehow the Local Director, I guess that my trouble is on this
>machine, but I don't know how to show this.

Hi,

Cisco LD doesnt support that you connect to the virtual address from the
"inside", only from the outside.

/c
-- 
Calle Lidström <calle@swip.net>
Data Network Engineer - IP Network Operations.
Tele2, Borgarfjordsgatan 16, Box 62, 164 94 Kista, SWEDEN
SwipNet - The Swedish IP Network - AS1257

CDBF CE81 EC99 BB2B 2E2A  7643 EEC1 0F3A 75E9 0D2C




More information about the cisco-nsp mailing list