02-20-2002 05:18 PM - edited 03-01-2019 08:34 PM
Hopefully you can point out my mistakes here.
I can ping the Extreme, but can't ping the 3500XL nor either server. All connections are 802.1q trunk links. The native VLANs for Server23 and Server24 are 23 and 24, respectfully. Sorry for all the x's...the posting system here is messing with my diagram..
xoxoxoxoxoxoxoxoxoxoExtreme Switch
xoxoxoxoxoxoxoxoxoxo10.6.200.2
xoxoxoxoxoxoxoxoxoxo|
xoxoxoxoxoxoxoxoxoxo|
Router A--------- 3500XL------ Server23
xoxoxoxoxoxoxoxoxo 10.6.200.3 10.6.23.2
xoxoxoxoxoxoxoxoxox|
xoxoxoxoxoxoxoxoxox|
xoxoxoxoxoxoxoxo Server24
xoxoxoxoxoxoxoxox 10.6.24.2
*Server gateways point to their respect subif on the router (i.e. 10.6.24.2 is using 10.6.24.1 on Router A)
** Both the Extreme and the 3500XL are using 10.6.200.1 as their default gw.
Subifs on router A:
subif .1 10.6.200.1
subif .23 10.6.23.1
subif .24 10.6.24.1
!Relevant 3500XL config
interface FastEthernet0/1
switchport trunk encapsulation dot1q
switchport trunk native vlan 1
switchport mode trunk
!
interface FastEthernet0/2
switchport trunk encapsulation dot1q
switchport trunk native vlan 23
switchport mode trunk
!
interface FastEthernet0/3
switchport trunk encapsulation dot1q
switchport trunk native vlan 24
switchport mode trunk
!
interface FastEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
interface VLAN1
ip address 10.6.200.3 255.255.255.0
no ip directed-broadcast
no ip route-cache
!
ip default-gateway 10.6.200.1
02-20-2002 05:37 PM
few questions
1) why are you trunking to the servers ? if it is just a single vlan (23 or 24), why not make it access port.
2) can you provide us with the config on the router ?
I am assuming you are trying to ping from the router to the servers, do you see arp entries getting populated ?
02-21-2002 11:44 AM
1.) We develop a special network measurement device that can use a 802.1q trunk connection. As part of the testing, we needed the link to be a trunk, not a access link. 2) I just found the problem - a subif (.23) was shutdown for some reason. After issueing a no shut, everything was fine and well. D'OH!
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