Re: Trunk Between GNS3 on Ubuntu not fowarding traffic

I had a lot of trouble in Ubuntu/Linux using the nio_linux_eth taps. I
switched over to nio_gen_eth and it works great that way.

Keller Giacomarro
keller.g_at_gmail.com

On Tue, Apr 24, 2012 at 7:16 AM, Darlington Ngaiso <ngaissod_at_gmail.com>wrote:

> Rather let me send the .net file .Im using the generic
>
> [[ETHSW SW1]]
> 1 = dot1q 1 nio_linux_eth:eth0
>
> The issue is that it was working and all of a sudden I lost access to the
> Physical Switches .
>
> autostart = False
> [localhost:7202]
> workingdir = /tmp
> udp = 10200
> [[3725]]
> image = /home/Desktop/uc3725-advipservicesk9-mz.124-122.bin
> ram = 128
> ghostios = True
> [[ROUTER BB3]]
> model = 3725
> console = 2011
> f0/0 = SW1 13
> x = -679.0
> y = -3.0
> [localhost:7200]
> workingdir = /tmp
> udp = 10000
> [[3725]]
> image = /home/Desktop/uc3725-advipservicesk9-mz.124-122.bin
> ram = 128
> ghostios = True
> [[ROUTER R4]]
> model = 3725
> console = 2003
> wic0/0 = WIC-2T
> wic0/1 = WIC-2T
> s0/0 = FR1 5
> s0/1 = R5 s0/1
> f0/0 = SW1 8
> f0/1 = SW1 9
> x = -270.0
> y = 144.0
> [[ROUTER R1]]
> model = 3725
> console = 2000
> wic0/0 = WIC-2T
> wic0/1 = WIC-2T
> s0/0 = FR1 1
> s0/1 = R3 s0/2
> f0/0 = SW1 2
> x = -218.0
> y = -166.0
> [[ROUTER R2]]
> model = 3725
> console = 2001
> wic0/0 = WIC-2T
> wic0/1 = WIC-2T
> s0/0 = FR1 2
> s0/1 = R3 s0/3
> f0/0 = SW1 7
> x = 216.0
> y = 31.0
> [[ROUTER R3]]
> model = 3725
> console = 2002
> wic0/0 = WIC-2T
> wic0/1 = WIC-2T
> wic0/2 = WIC-2T
> s0/0 = FR1 3
> s0/1 = FR1 4
> s0/2 = R1 s0/1
> s0/3 = R2 s0/1
> f0/0 = SW1 3
> f0/1 = SW1 4
> x = 130.0
> y = -184.0
> [[FRSW FR1]]
> 1:102 = 2:201
> 1:103 = 3:301
> 1:104 = 5:401
> 1:105 = 6:501
> 1:113 = 4:311
> 2:201 = 1:102
> 2:203 = 3:302
> 2:204 = 5:402
> 2:205 = 6:502
> 2:213 = 4:312
> 3:301 = 1:103
> 3:302 = 2:203
> 3:304 = 5:403
> 3:305 = 6:503
> 4:311 = 1:113
> 4:312 = 2:213
> 4:314 = 5:413
> 4:315 = 6:513
> 5:401 = 1:104
> 5:402 = 2:204
> 5:403 = 3:304
> 5:405 = 6:504
> 5:413 = 4:314
> 6:501 = 1:105
> 6:502 = 2:205
> 6:503 = 3:305
> 6:504 = 5:405
> 6:513 = 4:315
> x = -37.5
> y = -16.5
> [[ETHSW SW1]]
> 1 = dot1q 1 nio_linux_eth:eth0
> 2 = access 121
> 3 = access 123
> 4 = access 323
> 5 = access 125
> 6 = access 325
> 7 = access 222
> 8 = access 224
> 9 = access 424
> 10 = access 226
> 11 = access 426
> 12 = access 228
> 13 = access 329
> x = -442.5
> y = 5.0
> [localhost:7201]
> workingdir = /tmp
> udp = 10100
> [[3725]]
> image = /home/Desktop/uc3725-advipservicesk9-mz.124-122.bin
> ram = 128
> ghostios = True
> [[ROUTER R5]]
> model = 3725
> console = 2004
> wic0/0 = WIC-2T
> wic0/1 = WIC-2T
> wic0/2 = WIC-2T
> s0/0 = FR1 6
> s0/1 = R4 s0/1
> f0/0 = SW1 5
> f0/1 = SW1 6
> x = 76.0
> y = 159.0
> [[ROUTER R6]]
> model = 3725
> console = 2005
> f0/0 = SW1 10
> f0/1 = SW1 11
> slot1 = NM-1FE-TX
> x = -436.0
> y = -168.0
> [[ROUTER BB2]]
> model = 3725
> console = 2009
> f0/0 = SW1 12
> x = -647.0
> y = 140.0
> [[ROUTER BB1]]
> model = 3725
> console = 2008
> x = -662.0
> y = -130.0
> [GNS3-DATA]
> [[Cloud C1]]
> x = -475.5
> y = 138.0
> connections = SW1:1:nio_linux_eth:eth0
>
>
> Trunk config on the 3750 Breakout Switch
> interface GigabitEthernet1/0/48
> description TRUNK-LINK-TO-UBUNTU
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan
> 121,123,125,222,224,226,228,323,325,329,424,426
> switchport trunk allowed vlan add 521-525
> switchport mode trunk
>
> l2protocol-tunnel cdp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> spanning-tree portfast
> end
>
>
> BREAKOUTSWITCH1#sh int trunk
>
> Port Mode Encapsulation Status Native vlan
> Gi1/0/48 on 802.1q trunking 1
>
> Port Vlans allowed on trunk
> Gi1/0/48 121,123,125,222,224,226,228,323,325,329,424,426,521-525
>
> Port Vlans allowed and active in management domain
> Gi1/0/48 121,123,125,222,224,226,228,323,325,329,424,426,521-525
>
> Port Vlans in spanning tree forwarding state and not pruned
> Gi1/0/48 121,123,125,222,224,226,228,323,325,329,424,426,521-525
> BREAKOUTSWITCH1#
> v
>
>
>
>
>
> On Tue, Apr 24, 2012 at 1:16 PM, Keller Giacomarro <keller.g_at_gmail.com>wrote:
>
>> Instead of Linux TAP interfaces in GNS3, try the Generic one. Does that
>> help?
>>
>> Keller Giacomarro
>> keller.g_at_gmail.com
>>
>>
>> On Tue, Apr 24, 2012 at 5:55 AM, Darlington Ngaiso <ngaissod_at_gmail.com>wrote:
>>
>>> Hi Experts
>>>
>>> have got a Virtual Lab connected to four physical switches via a Breakout
>>> Switch. The problem is that I cant ping across the Virtual Lab to the
>>> physical switches. I can see the Routers from the Switches via CDP but I
>>> can't see the Switches on the Virtual Routers in GNS3. It was working and
>>> then stopped working and have never been able to figure out why its not
>>> working.
>>>
>>> Config on the breakout Switch
>>>
>>> interface FastEthernet1/0/1
>>> description UP TO UBUNTU HOST
>>> switchport trunk encapsulation dot1q
>>> switchport trunk allowed vlan 102-120
>>> switchport mode trunk
>>> *l2protocol-tunnel cdp
>>> l2protocol-tunnel stp
>>> l2protocol-tunnel vtp*
>>>
>>> no cdp enable
>>> spanning-tree portfast
>>> no shut
>>>
>>> config on the tunnel Interfaces
>>>
>>> interface range fa1/0/2 ? 21
>>> no cdp enable
>>> spanning-tree portfast
>>> l2protocol-tunnel cdp
>>> l2protocol-tunnel stp
>>> l2protocol-tunnel vtp
>>> switchport mode dot1q-tunnel
>>> no shut
>>>
>>> regards
>>>
>>>
>>> If I run a tcpdump on the Servers connecting to the Physical switches Im
>>> able to see information coming from the Virtual lab Routers but I cant
>>> seem
>>> to get the same information from the physical switches back to the
>>> virtual
>>> lab
>>>
>>> Below is the `TCPDUMP results fro some of the routers
>>>
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 123
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> 09:21:14.618359 CDPv2, ttl: 180s, checksum: 692 (unverified), length 327
>>> Device-ID (0x01), length: 2 bytes: 'R3'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 0.0.0.0
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:22:14.622721 CDPv2, ttl: 180s, checksum: 692 (unverified), length 327
>>> Device-ID (0x01), length: 2 bytes: 'R3'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 0.0.0.0
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch,
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 121
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> 09:26:09.977414 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R1'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.10.10.1
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:27:09.982190 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R1'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.10.10.1
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:28:09.996767 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R1'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.10.10.1
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> ^C
>>> 3 packets captured
>>> 3 packets received by filter
>>> 0 packets dropped by kernel
>>> root_at_rdpserver:~#
>>> root_at_rdpserver:~#
>>> root_at_rdpserver:~#
>>> root_at_rdpserver:~#
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 121
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> ^C
>>> 0 packets captured
>>> 0 packets received by filter
>>> 0 packets dropped by kernel
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 222
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> 09:30:12.273612 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:31:12.273833 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:32:12.288385 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:33:12.302879 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:34:12.324436 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:34:39.757590 c2:08:08:87:00:00 (oui Unknown) > ab:00:00:02:00:00 (oui
>>> Unknown), ethertype 802.1Q (0x8100), length 81:
>>> 0x0000: 3d00 0700 0000 0100 0303 0000 0200 0221 =..............!
>>> 0x0010: 0003 0006 0000 0000 0000 0400 023c 0005 .............<..
>>> 0x0020: 0002 d805 0600 0200 0107 0006 c208 0887 ................
>>> 0x0030: 0000 6400 0179 9001 0101 9101 02ee 05 ..d..y.........
>>> 09:35:12.346970 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R2'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.1.100.2
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.1.100.0/24
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>>
>>> 0 packets dropped by kernel
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 224
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> 09:49:03.369383 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R4'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.0.0.4
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.0.0.0/8
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:49:40.952482 c2:06:08:87:00:00 (oui Unknown) > ab:00:00:02:00:00 (oui
>>> Unknown), ethertype 802.1Q (0x8100), length 81:
>>> 0x0000: 3d00 0700 0000 0100 0303 0000 0200 0221 =..............!
>>> 0x0010: 0003 0006 0000 0000 0000 0400 023c 0005 .............<..
>>> 0x0020: 0002 d805 0600 0200 0107 0006 c206 0887 ................
>>> 0x0030: 0000 6400 0179 9001 0101 9101 02ee 05 ..d..y.........
>>> 09:50:03.385696 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R4'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.0.0.4
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.0.0.0/8
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:51:03.411774 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R4'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.0.0.4
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.0.0.0/8
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:52:03.437268 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R4'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.0.0.4
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.0.0.0/8
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> 09:53:03.442412 CDPv2, ttl: 180s, checksum: 692 (unverified), length 336
>>> Device-ID (0x01), length: 2 bytes: 'R4'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 10.0.0.4
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> Prefixes (0x07), length: 5 bytes: IPv4 Prefixes (1): 10.0.0.0/8
>>> VTP Management Domain (0x09), length: 0 byte: ''
>>> ^C
>>> 6 packets captured
>>> 6 packets received by filter
>>> 0 packets dropped by kernel
>>> root_at_rdpserver:~# tcpdump -vvv -i eth0 vlan 226
>>> tcpdump: WARNING: eth0: no IPv4 address assigned
>>> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
>>> 65535
>>> bytes
>>> 09:54:08.093644 CDPv2, ttl: 180s, checksum: 692 (unverified), length 327
>>> Device-ID (0x01), length: 2 bytes: 'R6'
>>> Version String (0x05), length: 246 bytes:
>>> Cisco IOS Software, 3700 Software (C3725-ADVIPSERVICESK9-M), Version
>>> 12.4(12), RELEASE SOFTWARE (fc1)
>>> Technical Support: http://www.cisco.com/techsupport
>>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>>> Compiled Fri 17-Nov-06 14:48 by prod_rel_team
>>> Platform (0x06), length: 10 bytes: 'Cisco 3725'
>>> Address (0x02), length: 13 bytes: IPv4 (1) 0.0.0.0
>>> Port-ID (0x03), length: 15 bytes: 'FastEthernet0/0'
>>> Capability (0x04), length: 4 bytes: (0x00000029): Router, L2 Switch, IGMP
>>> snooping
>>> VTP Management Domain (0x09), length: 0 byte:
>>>
>>>
>>> And a debug on the Virtual routers show that traffic is the routers
>>> toward
>>> the trunk to the Virtual Switches
>>>
>>>
>>> Below is the diagram of the setup
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
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>>> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Tue Apr 24 2012 - 07:19:17 ART