From: Kenneth Wygand (KWygand@customonline.com)
Date: Mon Apr 26 2004 - 04:56:07 GMT-3
Charles,
Please let us know if Bob's suggestion works... Thanks!
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
Network+, A+
Custom Computer Specialists, Inc.
"The only unattainable goal is the one not attempted."
-Anonymous
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Bob Sinclair
Sent: Sunday, April 25, 2004 10:04 PM
To: Charles T. Alexander; ccielab@groupstudy.com
Subject: Re: Etherchannel on 3550 and 3500XL
Charles,
Try channel-group 1 mode on for the 3550. The desirable mode
requires a
partner in desirable or auto, and I do not believe the 3500 XL does
PAgP.
Bob Sinclair
CCIE #10427, CISSP, MCSE
www.netmasterclass.net
----- Original Message -----
From: "Charles T. Alexander" <charles.t.alexander@verizon.net>
To: <ccielab@groupstudy.com>
Sent: Sunday, April 25, 2004 9:45 PM
Subject: Etherchannel on 3550 and 3500XL
> I have connected a 3550 and 3500XL together.
>
> All works well with just one connection using dot1q.
> fa0/23 to fa0/11.
>
> When I add a port-channel to the 3550 and port group to 3500XL. It
> seems that the interfaces work but flap.
> fa0/23 to fa0/11
> fa0/24 to fa0/12.
>
> Below are the two configs.
> =========================
> Cat 3550
> Building configuration...
>
> Current configuration : 3243 bytes
> !
> version 12.1
> no service pad
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname c1
> !
> logging buffered 10000 debugging
> enable password radnor
> !
> ip subnet-zero
> ip routing
> ip tcp synwait-time 5
> no ip domain-lookup
> ip dhcp relay information option
> !
> !
> !
> spanning-tree extend system-id
> spanning-tree vlan 40 max-age 30
> system mtu 1518
> !
> !
> !
> interface Port-channel1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> !
> interface FastEthernet0/1
> switchport access vlan 125
> no ip address
> !
> interface FastEthernet0/2
> switchport access vlan 125
> no ip address
> !
> interface FastEthernet0/3
> no ip address
> !
> interface FastEthernet0/4
> no ip address
> !
> interface FastEthernet0/5
> switchport access vlan 125
> no ip address
> !
> interface FastEthernet0/6
> no ip address
> !
> interface FastEthernet0/7
> no ip address
> !
> interface FastEthernet0/8
> switchport access vlan 192
> no ip address
> !
> interface FastEthernet0/9
> no ip address
> !
> interface FastEthernet0/10
> no ip address
> !
> interface FastEthernet0/11
> switchport access vlan 125
> no ip address
> !
> interface FastEthernet0/12
> switchport access vlan 192
> no ip address
> !
> interface FastEthernet0/13
> no ip address
> !
> interface FastEthernet0/14
> no ip address
> !
> interface FastEthernet0/15
> no ip address
> !
> interface FastEthernet0/16
> switchport access vlan 14
> switchport mode dot1q-tunnel
> no ip address
> duplex full
> speed 100
> l2protocol-tunnel cdp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> no cdp enable
> !
> interface FastEthernet0/17
> no ip address
> !
> interface FastEthernet0/18
> no ip address
> !
> interface FastEthernet0/19
> no ip address
> !
> interface FastEthernet0/20
> no ip address
> !
> interface FastEthernet0/21
> no switchport
> no ip address
> !
> interface FastEthernet0/22
> no ip address
> !
> interface FastEthernet0/23
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> channel-group 1 mode desirable
> !
> interface FastEthernet0/24
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> channel-group 1 mode desirable
> !
> interface GigabitEthernet0/1
> no ip address
> !
> interface GigabitEthernet0/2
> no ip address
> !
> interface Vlan1
> ip address 138.10.10.1 255.255.255.0
> !
> interface Vlan30
> ip address 138.10.30.10 255.255.255.0
> !
> interface Vlan40
> ip address 138.10.40.10 255.255.255.0
> !
> interface Vlan70
> ip address 138.10.70.10 255.255.255.0
> !
> interface Vlan96
> ip address 138.10.96.10 255.255.255.224
> !
> interface Vlan125
> ip address 138.10.125.10 255.255.255.0
> !
> interface Vlan192
> ip address 192.168.30.10 255.255.255.0
> !
> router rip
> version 2
> network 138.10.0.0
> network 192.168.20.0
> network 192.168.30.0
> no auto-summary
> !
> ip classless
> ip http server
> !
> !
> !
> alias exec i show ip route
> alias exec r show run
> alias exec c config t
> alias exec u undebug all
> alias exec b show ip bgp
> alias exec bs show ip bgp sum
> alias exec s show ip int brief
> alias exec w write
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> escape-character 27
> line vty 0 4
> exec-timeout 0 0
> password bp
> login
> line vty 5 15
> exec-timeout 0 0
> password bp
> login
> !
> !
> monitor session 1 source interface Fa0/17
> monitor session 1 filter vlan 10
> monitor session 1 destination interface Fa0/18 encapsulation dot1q
> end
> =====================================
> Cat 3500XL
> Building configuration...
>
> Current configuration:
> !
> version 12.0
> no service pad
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname c2
> !
> logging buffered 10000 debugging
> enable password radnor
> !
> !
> !
> !
> !
> !
> ip subnet-zero
> ip tcp synwait-time 5
> no ip domain-lookup
> !
> !
> !
> interface FastEthernet0/1
> !
> interface FastEthernet0/2
> !
> interface FastEthernet0/3
> switchport access vlan 30
> !
> interface FastEthernet0/4
> switchport access vlan 40
> !
> interface FastEthernet0/5
> !
> interface FastEthernet0/6
> switchport access vlan 96
> !
> interface FastEthernet0/7
> switchport access vlan 70
> !
> interface FastEthernet0/8
> !
> interface FastEthernet0/9
> switchport access vlan 96
> !
> interface FastEthernet0/10
> !
> interface FastEthernet0/11
> port group 1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface FastEthernet0/12
> port group 1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface GigabitEthernet0/1
> !
> interface GigabitEthernet0/2
> !
> interface VLAN1
> ip address 138.10.10.2 255.255.255.0
> no ip directed-broadcast
> no ip route-cache
> !
> alias exec r show run
> alias exec c config t
> alias exec u undebug all
> alias exec s show ip int brief
> alias exec w write
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> transport input none
> escape-character 27
> stopbits 1
> line vty 0 4
> exec-timeout 0 0
> password bp
> login
> line vty 5 15
> exec-timeout 0 0
> password bp
> login
> !
> end
>
> c2#
>
>
This archive was generated by hypermail 2.1.4 : Mon May 03 2004 - 19:48:55 GMT-3