07-24-2014 01:34 AM - edited 03-07-2019 08:10 PM
Hello,
I need some help to get vlan's to get working again.
I have a c2500 with v12.4 that works with the config above, now with a new c3600 with the smae config but with v15.2 I can't put vlan's working.
I also read about it but I can get it work:
Autonomous AP Will Treat The Sub-interface Tied To Bridge-group1 As The Native Vlan
AnchorWhen using a configuration on an autonomous AP where there is no native VLAN defined, each interface is being dot1q tagged, communication will fail after upgrading to 15.2(2)JA or later. It appears that the configuration is still correct after the upgrade, but the AP sends the untagged frames for bridge-group 1, even though the encapsulation is not defined as native. The autonomous AP will treat the sub-interface tied to bridge-group 1 as the native VLAN, even if it is not defined with the native keyword: "encapsulation dot1 <vlan> native". The VLAN associated with bridge-group 1 must be set to native on the connecting switchport configuration
AnchorThe workaround for this is to configure VLAN 100 as the native VLAN on the connected switchport trunk, even though the encapsulation is not specified as native on the AP.
AnchorIP Routing Enabled By Default
AnchorIP routing is enabled by default in 15.2(2)JB. This default configuration will render ip default-gateway statements inoperable. The workaround is to disable ip routing globally (config t, no ip routing), configure a default route instead of a default-gateway (e.g. config t, ip route 0.0.0.0 0.0.0.0 <default-gateway> ), or disable IP routing using the following cli command:
Current config for:
Cisco IOS Software, C3600 Software (AP3G2-K9W7-M), Version 15.2(4)JB5, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Thu 01-May-14 22:04 by prod_rel_team
interface GigabitEthernet0.1
encapsulation dot1Q 1 native
no ip route-cache
bridge-group 1
bridge-group 1 spanning-disabled
no bridge-group 1 source-learning
!
interface GigabitEthernet0.14
encapsulation dot1Q 14
ip address 192.168.14.253 255.255.255.0
ip helper-address 192.168.14.254
no ip route-cache
bridge-group 14
bridge-group 14 spanning-disabled
no bridge-group 14 source-learning
!
interface GigabitEthernet0.16
encapsulation dot1Q 16
ip address 192.168.16.253 255.255.255.0
ip helper-address 192.168.16.254
no ip route-cache
bridge-group 16
bridge-group 16 spanning-disabled
no bridge-group 16 source-learning
!
interface GigabitEthernet0.100
encapsulation dot1Q 100
ip address 192.168.100.51 255.255.255.0
no ip route-cache
!
interface BVI1
ip address 10.0.0.1 255.255.0.0
no ip route-cache
!
ip default-gateway 192.168.100.254
bridge 1 route ip
my config in my HP SW (I use trunk port 24 to c3600):
J9776A Configuration Editor; Created on release #YA.15.13.0005
; Ver #05:08.63.ff.37.27:81
hostname "HP-2530-24G"
trunk 24 trk1 trunk
trunk 1-2 trk4 lacp
no telnet-server
ip default-gateway 192.168.100.254
vlan 1
name "DEFAULT_VLAN"
no untagged 3-22
untagged 23,25-28,Trk1,Trk4
no ip address
exit
vlan 10
untagged 3-22
tagged 23,Trk1,Trk4
ip address 192.168.10.250 255.255.255.0
ip helper-address 192.168.10.254
exit
vlan 11
tagged Trk1,Trk4
no ip address
voice
exit
vlan 15
tagged Trk1,Trk4
ip address 192.168.15.251 255.255.255.0
exit
vlan 100
tagged 23,Trk1,Trk4
ip address 192.168.100.248 255.255.255.0
exit
management-vlan 100
spanning-tree Trk1 priority 4
spanning-tree Trk4 priority 4
From SW i can't ping vlan 100 or other vlan's
I also debug arp packets and see that the packets arrive to router but don't get out.
Any help ?
07-24-2014 07:20 AM
Hi,
A couple of comments to your configuration.
Can you try implementing the suggested changes and telling us if it did make any difference?
Best regards,
Peter
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