From: Abdullah, Yasser (Yasser.Abdullah@getronics.com)
Date: Sat Sep 11 2004 - 03:28:19 GMT-3
I've never used the CSS (only Foundry ServerIron) but I believe that by
default, it is normal for the switch to not to change the source IP address
of the client.
What you need to ensure is that the traffic going back from the server to
the client must go through the CSS (no asymmetric routes).
You might be able to use NAT to modify this behavior. Check if this document
is of any help:
http://www.cisco.com/en/US/partner/products/hw/contnetw/ps789/products_confi
guration_example09186a008009470e.shtml
Brgds,
Yasser
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Cocimano, Francesco
Sent: Friday, September 10, 2004 1:06 PM
To: ccielab@groupstudy.com
Subject: Css 15101
Hi,
our customer has a problem with a CSS 11501. Details, network picture and
configurations follow:
If we open a telnet port 80 connection from switch with IP address
213.175.28.5 to virtual IP addess of CSS 213.175.28.19, the CSS forwards the
connection to one of two servers ( for example the 213.175.28.143 ) but the
response from the server has as destination IP address 213.175.28.5 and not
the virtual IP address of CSS, so it is impossible to get a connection.
The CSS doesn`t replace the source IP address with the virtual IP address.
Is it a problem of design not supported to CSS or is a software bug?
Many thanks
Francesco
PINLD001-a# show run
!Generated on 09/09/2004 10:01:28
!Active version: sg0720405
configure
!*************************** GLOBAL ***************************
setspan src_port e1 dest_port e2 copyBoth
no restrict web-mgmt
sntp server 213.175.2.7 version 2
sntp poll-interval 90
username ******** des-password zfyc4bfgtaxdxfqasewe4fcbmeaabcgd superuser
restrict ssh
no restrict xml
idle timeout 1
idle timeout web-mgmt 1
snmp trap-type enterprise
snmp trap-host 10.253.8.13 ++++++++
snmp community +++++++ read-only
snmp trap-host 10.253.8.10 ++++++
snmp trap-type generic
snmp auth-traps
snmp location "La rustica"
snmp trap-type enterprise login-failure
snmp trap-type enterprise redundancy-transition
snmp trap-type enterprise service-transition
snmp trap-type enterprise reload
snmp trap-type enterprise chmgr-ps-transition
snmp trap-type enterprise chmgr-module-transition
snmp trap-type enterprise isc-lifetick-failure
snmp name "PINLD001-a"
logging buffer 50000
ip route 0.0.0.0 0.0.0.0 10.253.18.249 1
!************************* INTERFACE *************************
interface e1
phy 100Mbits-FD
description "Collegamento al PIX"
interface e2
phy 100Mbits-FD
description "Porta Di Monitoring"
interface e3
phy 100Mbits-FD
description "Collegamento tra CSS"
interface e4
admin-shutdown
interface e5
bridge vlan 2
description "PDPDC001 eth1"
interface e6
admin-shutdown
interface e7
admin-shutdown
interface e8
admin-shutdown
interface e9
admin-shutdown
!************************** CIRCUIT **************************
circuit VLAN1
ip address 10.253.18.253 255.255.255.248
ip virtual-router 1 priority 200 preempt
ip redundant-interface 1 10.253.18.252
circuit VLAN2
ip address 213.175.28.2 255.255.255.128
ip virtual-router 2 priority 200 preempt
ip redundant-interface 2 213.175.28.1
!************************** SERVICE **************************
service PDPAS003
keepalive port 80
ip address 213.175.28.143
active
service PDPAS004
keepalive port 80
ip address 213.175.28.144
active
service PDPWB001
ip address 213.175.28.21
keepalive type ssl
active
service PDPWB002
ip address 213.175.28.22
keepalive type ssl
active
!*************************** OWNER ***************************
owner Protocollo
content E-learning
add service PDPAS003
add service PDPAS004
vip address 213.175.28.19
balance srcip
active
content PDPWB000Virtuale
add service PDPWB002
add service PDPWB001
vip address 213.175.28.20
sticky-inact-timeout 30
balance srcip
active
content Prova_SSL
port 443
protocol tcp
add service PDPWB001
add service PDPWB002
vip address 213.175.28.20
advanced-balance ssl
sticky-inact-timeout 10
param-bypass enable
PINLD001-a#
PINLD001-b# show run
!Generated on 09/09/2004 10:05:24
!Active version: sg0720405
configure
!*************************** GLOBAL ***************************
setspan src_port e1 dest_port e2 copyBoth
no restrict xml
no restrict web-mgmt
restrict ssh
sntp server 213.175.2.7 version 2
sntp poll-interval 90
username +++++++++ des-password zfyc4bfgtaxdxfqasewe4fcbmeaabcgd superuser
snmp trap-type enterprise
snmp trap-host 10.253.8.13 ++++++++
snmp trap-type generic
snmp auth-traps
snmp location "La rustica"
snmp name "PINLD001-b"
snmp trap-type enterprise login-failure
snmp trap-type enterprise redundancy-transition
snmp trap-type enterprise service-transition
snmp trap-type enterprise reload
snmp trap-type enterprise chmgr-ps-transition
snmp trap-type enterprise chmgr-module-transition
snmp trap-type enterprise isc-lifetick-failure
snmp trap-host 10.253.8.10 ++++++++
snmp community ++++++ read-only
logging buffer 50000
ip route 0.0.0.0 0.0.0.0 10.253.18.249 1
!************************* INTERFACE *************************
interface e1
description "Porta di coll. PIX-b"
phy 100Mbits-FD
interface e2
description "Porta di Monitoring"
phy 100Mbits-FD
interface e3
description "Collegamento tra CSS"
phy 100Mbits-FD
interface e4
phy 100Mbits-FD
interface e5
bridge vlan 2
description "PDPDC001 eth2"
interface e6
bridge vlan 2
description "PDPDC002 eth2"
interface e7
bridge vlan 2
description "PDPWB001 eth2"
interface e8
bridge vlan 2
description "PDPWB002 eth2"
interface e9
bridge vlan 2
!************************** CIRCUIT **************************
circuit VLAN1
ip address 10.253.18.254 255.255.255.248
ip virtual-router 1
ip redundant-interface 1 10.253.18.252
circuit VLAN2
ip address 213.175.28.3 255.255.255.128
ip virtual-router 2
ip redundant-interface 2 213.175.28.1
!************************** SERVICE **************************
service PDPAS003
keepalive port 80
ip address 10.253.18.251
active
service PDPAS004
keepalive port 80
ip address 213.175.28.144
active
service PDPWB001
ip address 213.175.28.21
keepalive type ssl
active
service PDPWB002
ip address 213.175.28.22
keepalive type ssl
active
!*************************** OWNER ***************************
owner Protocollo
content E-learning
add service PDPAS003
add service PDPAS004
vip address 213.175.28.19
balance srcip
active
content PDPWB000Virtuale
add service PDPWB002
add service PDPWB001
vip address 213.175.28.20
sticky-inact-timeout 30
balance srcip
active
content Prova_SSL
add service PDPWB001
add service PDPWB002
protocol tcp
port 443
vip address 213.175.28.20
balance srcip
advanced-balance ssl
sticky-inact-timeout 10
param-bypass enable
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