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tech:network:cisco:flex-link:flex-link

Flex Link

SW1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
SW1(config)#int f1/0/1
SW1(config-if)#swi
SW1(config-if)#switchport ba
SW1(config-if)#switchport backup ?
  interface  Specify an interface as backup

SW1(config-if)#switchport backup inter
SW1(config-if)#switchport backup interface fa
SW1(config-if)#switchport backup interface fastEthernet 1/0/2 
SW1(config-if)#
*Mar  1 00:41:38.202: %SPANTREE-6-PORTDEL_ALL_VLANS: FastEthernet1/0/1 deleted from all Vlans 
*Mar  1 00:41:38.202: %SPANTREE-6-PORTDEL_ALL_VLANS: FastEthernet1/0/2 deleted from all Vlans 
SW1(config-if)#swi
SW1(config-if)#switchport bac
SW1(config-if)#switchport backup inteer
SW1(config-if)#switchport backup inte  
SW1(config-if)#switchport backup interface f1/0/2 preem
SW1(config-if)#switchport backup interface f1/0/2 preemption mo
SW1(config-if)#switchport backup interface f1/0/2 preemption mode for
SW1(config-if)#switchport backup interface f1/0/2 preemption mode forced 
SW1(config-if)#swi
SW1(config-if)#switchport ba
SW1(config-if)#switchport backup inter
SW1(config-if)#switchport backup interface f1/0/2 pree
SW1(config-if)#switchport backup interface f1/0/2 preemption de
SW1(config-if)#switchport backup interface f1/0/2 preemption delay 10
SW1(config-if)#exit                                                  
SW1(config)#mac
SW1(config)#mac addre
SW1(config)#mac address-table move
SW1(config)#mac address-table move up
SW1(config)#mac address-table move update tra
SW1(config)#mac address-table move update transmit 
SW1(config)#do sh run int f1/0/1
Building configuration...

Current configuration : 189 bytes
!
interface FastEthernet1/0/1
 switchport backup interface Fa1/0/2
 switchport backup interface Fa1/0/2 preemption mode forced
 switchport backup interface Fa1/0/2 preemption delay 10
end

SW1(config)#mac add
SW1(config)#mac address-table ta
SW1(config)#mac address-table move
SW1(config)#mac address-table move u
SW1(config)#mac address-table move update rece
SW1(config)#mac address-table move update receive 
SW1(config)#
SW2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
SW2(config)#mac
SW2(config)#mac add
SW2(config)#mac address-table move
SW2(config)#mac address-table move upda
SW2(config)#mac address-table move update rece
SW2(config)#mac address-table move update receive 
SW2(config)#swi
SW2(config)#int f1/0/1
SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup inter
SW2(config-if)#switchport backup interface f1/0/2 pre
SW2(config-if)#switchport backup interface f1/0/2 premo
SW2(config-if)#switchport backup interface f1/0/2 premoba
SW2(config-if)#switchport backup interface f1/0/2 pree   
SW2(config-if)#switchport backup interface f1/0/2 preemption mo
SW2(config-if)#switchport backup interface f1/0/2 preemption mode ban
SW2(config-if)#switchport backup interface f1/0/2 preemption mode bandwidth 
SW2(config-if)#switchport backup interface f1/0/2 preemption mode           
*Mar  1 01:03:18.218: %SPANTREE-6-PORTDEL_ALL_VLANS: FastEthernet1/0/1 deleted from all Vlans 
*Mar  1 01:03:18.227: %SPANTREE-6-PORTDEL_ALL_VLANS: FastEthernet1/0/2 deleted from all Vlans 
SW2(config-if)#switchport backup interface f1/0/2 preemption mode off
SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup inter
SW2(config-if)#switchport backup interface f1/0/2 preme
SW2(config-if)#switchport backup interface f1/0/2 preem
SW2(config-if)#switchport backup interface f1/0/2 preemption de
SW2(config-if)#switchport backup interface f1/0/2 preemption delay ?
  <1-300>  preemption delay in seconds

SW2(config-if)#switchport backup interface f1/0/2 preemption delay 123
SW2(config-if)#do sh run int f1/0/1
Building configuration...

Current configuration : 130 bytes
!
interface FastEthernet1/0/1
 switchport backup interface Fa1/0/2
 switchport backup interface Fa1/0/2 preemption delay 123
end

SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup inter
SW2(config-if)#switchport backup interface fa1/0/2 pree
SW2(config-if)#switchport backup interface fa1/0/2 preemption mo
SW2(config-if)#switchport backup interface fa1/0/2 preemption mode for
SW2(config-if)#switchport backup interface fa1/0/2 preemption mode forced 
SW2(config-if)#do sh run int f1/0/1
Building configuration...

Current configuration : 190 bytes
!
interface FastEthernet1/0/1
 switchport backup interface Fa1/0/2
 switchport backup interface Fa1/0/2 preemption mode forced
 switchport backup interface Fa1/0/2 preemption delay 123
end

SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup in
SW2(config-if)#switchport backup interface f1/0/2 prefe
SW2(config-if)#switchport backup interface f1/0/2 prefer vl
SW2(config-if)#switchport backup interface f1/0/2 prefer vlan ?
  WORD  VLAN IDs 1-4094

SW2(config-if)#switchport backup interface f1/0/2 prefer vlan 101-200
%ERROR: Vlan load-balancing cannot co-exist with Preemption.
%ERROR: Please unconfigure Preemption before enabling again.
SW2(config-if)#no swi
SW2(config-if)#swi             
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup int f1/0/2 preem
SW2(config-if)#switchport backup int f1/0/2 preemption mo
SW2(config-if)#switchport backup int f1/0/2 preemption mode off
SW2(config-if)#swi
SW2(config-if)#switchport mo
SW2(config-if)#switchport ba   
SW2(config-if)#switchport backup inter
SW2(config-if)#switchport backup interface f1/0/2 pre
SW2(config-if)#switchport backup interface f1/0/2 prevl
SW2(config-if)#switchport backup interface f1/0/2 pref 
SW2(config-if)#switchport backup interface f1/0/2 prefer vlan 101-200
%Warning: Flexlink Vlan Load-Balancing is not allowed on non-trunk ports. Please configure Fa1/0/1 to be a trunk port.

%Warning: Flexlink Vlan Load-Balancing is not allowed on non-trunk ports. Please configure Fa1/0/2 to be a trunk port.

SW2(config-if)#swi
SW2(config-if)#switchport tru
SW2(config-if)#switchport trunk en
SW2(config-if)#switchport trunk encapsulation dot1q
SW2(config-if)#swi
SW2(config-if)#switchport mo
SW2(config-if)#switchport tru  
SW2(config-if)#switchport trunk enca
SW2(config-if)#switchport trunk encapsulation dot
SW2(config-if)#switchport mo                        
SW2(config-if)#switchport mode tru
SW2(config-if)#switchport mode trunk 
SW2(config-if)#int f1/0/2
SW2(config-if)#swi
SW2(config-if)#switchport mo
SW2(config-if)#switchport mode tru
SW2(config-if)#switchport mode trunk 
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
SW2(config-if)#swi
SW2(config-if)#switchport tru
SW2(config-if)#switchport trunk enca
SW2(config-if)#switchport trunk encapsulation dot1q
SW2(config-if)#swi
SW2(config-if)#switchport mo
SW2(config-if)#switchport mode tru
SW2(config-if)#switchport mode trunk 
SW2(config-if)#int f1/0/1
SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup inter
SW2(config-if)#switchport backup interface f1/0/2 prefe
SW2(config-if)#switchport backup interface f1/0/2 prefer vl
SW2(config-if)#switchport backup interface f1/0/2 prefer vlan 101-200
SW2(config-if)#exit
SW2(config)#vlan 1-200
SW2(config-vlan)#exit
SW2(config)#do sh vlan brie

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa1/0/1, Fa1/0/2, Fa1/0/3
                                                Fa1/0/4, Fa1/0/5, Fa1/0/6
                                                Fa1/0/7, Fa1/0/8, Fa1/0/9
                                                Fa1/0/10, Fa1/0/11, Fa1/0/12
                                                Fa1/0/13, Fa1/0/14, Fa1/0/15
                                                Fa1/0/16, Fa1/0/17, Fa1/0/18
                                                Fa1/0/19, Fa1/0/20, Fa1/0/21
                                                Fa1/0/22, Fa1/0/23, Fa1/0/24
                                                Gi1/0/1, Gi1/0/2
2    VLAN0002                         active    
3    VLAN0003                         active    
4    VLAN0004                         active    
5    VLAN0005                         active    
6    VLAN0006                         active    
7    VLAN0007                         active    
8    VLAN0008                         active    
9    VLAN0009                         active    
10   VLAN0010                         active    
11   VLAN0011                         active    
12   VLAN0012                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
13   VLAN0013                         active    
14   VLAN0014                         active    
15   VLAN0015                         active    
16   VLAN0016                         active    
17   VLAN0017                         active    
18   VLAN0018                         active    
19   VLAN0019                         active    
20   VLAN0020                         active    
21   VLAN0021                         active    
22   VLAN0022                         active    
23   VLAN0023                         active    
24   VLAN0024                         active    
25   VLAN0025                         active    
26   VLAN0026                         active    
27   VLAN0027                         active    
28   VLAN0028                         active    
29   VLAN0029                         active    
30   VLAN0030                         active    
31   VLAN0031                         active    
32   VLAN0032                         active    
33   VLAN0033                         active    
34   VLAN0034                         active    
35   VLAN0035                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
36   VLAN0036                         active    
37   VLAN0037                         active    
38   VLAN0038                         active    
39   VLAN0039                         active    
40   VLAN0040                         active    
41   VLAN0041                         active    
42   VLAN0042                         active    
43   VLAN0043                         active    
44   VLAN0044                         active    
45   VLAN0045                         active    
46   VLAN0046                         active    
47   VLAN0047                         active    
48   VLAN0048                         active    
49   VLAN0049                         active    
50   VLAN0050                         active    
51   VLAN0051                         active    
52   VLAN0052                         active    
53   VLAN0053                         active    
54   VLAN0054                         active    
55   VLAN0055                         active    
56   VLAN0056                         active    
57   VLAN0057                         active    
58   VLAN0058                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
59   VLAN0059                         active    
60   VLAN0060                         active    
61   VLAN0061                         active    
62   VLAN0062                         active    
63   VLAN0063                         active    
64   VLAN0064                         active    
65   VLAN0065                         active    
66   VLAN0066                         active    
67   VLAN0067                         active    
68   VLAN0068                         active    
69   VLAN0069                         active    
70   VLAN0070                         active    
71   VLAN0071                         active    
72   VLAN0072                         active    
73   VLAN0073                         active    
74   VLAN0074                         active    
75   VLAN0075                         active    
76   VLAN0076                         active    
77   VLAN0077                         active    
78   VLAN0078                         active    
79   VLAN0079                         active    
80   VLAN0080                         active    
81   VLAN0081                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
82   VLAN0082                         active    
83   VLAN0083                         active    
84   VLAN0084                         active    
85   VLAN0085                         active    
86   VLAN0086                         active    
87   VLAN0087                         active    
88   VLAN0088                         active    
89   VLAN0089                         active    
90   VLAN0090                         active    
91   VLAN0091                         active    
92   VLAN0092                         active    
93   VLAN0093                         active    
94   VLAN0094                         active    
95   VLAN0095                         active    
96   VLAN0096                         active    
97   VLAN0097                         active    
98   VLAN0098                         active    
99   VLAN0099                         active    
100  VLAN0100                         active    
101  VLAN0101                         active    
102  VLAN0102                         active    
103  VLAN0103                         active    
104  VLAN0104                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
105  VLAN0105                         active    
106  VLAN0106                         active    
107  VLAN0107                         active    
108  VLAN0108                         active    
109  VLAN0109                         active    
110  VLAN0110                         active    
111  VLAN0111                         active    
112  VLAN0112                         active    
113  VLAN0113                         active    
114  VLAN0114                         active    
115  VLAN0115                         active    
116  VLAN0116                         active    
117  VLAN0117                         active    
118  VLAN0118                         active    
119  VLAN0119                         active    
120  VLAN0120                         active    
121  VLAN0121                         active    
122  VLAN0122                         active    
123  VLAN0123                         active    
124  VLAN0124                         active    
125  VLAN0125                         active    
126  VLAN0126                         active    
127  VLAN0127                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
128  VLAN0128                         active    
129  VLAN0129                         active    
130  VLAN0130                         active    
131  VLAN0131                         active    
132  VLAN0132                         active    
133  VLAN0133                         active    
134  VLAN0134                         active    
135  VLAN0135                         active    
136  VLAN0136                         active    
137  VLAN0137                         active    
138  VLAN0138                         active    
139  VLAN0139                         active    
140  VLAN0140                         active    
141  VLAN0141                         active    
142  VLAN0142                         active    
143  VLAN0143                         active    
144  VLAN0144                         active    
145  VLAN0145                         active    
146  VLAN0146                         active    
147  VLAN0147                         active    
148  VLAN0148                         active    
149  VLAN0149                         active    
150  VLAN0150                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
151  VLAN0151                         active    
152  VLAN0152                         active    
153  VLAN0153                         active    
154  VLAN0154                         active    
155  VLAN0155                         active    
156  VLAN0156                         active    
157  VLAN0157                         active    
158  VLAN0158                         active    
159  VLAN0159                         active    
160  VLAN0160                         active    
161  VLAN0161                         active    
162  VLAN0162                         active    
163  VLAN0163                         active    
164  VLAN0164                         active    
165  VLAN0165                         active    
166  VLAN0166                         active    
167  VLAN0167                         active    
168  VLAN0168                         active    
169  VLAN0169                         active    
170  VLAN0170                         active    
171  VLAN0171                         active    
172  VLAN0172                         active    
173  VLAN0173                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
174  VLAN0174                         active    
175  VLAN0175                         active    
176  VLAN0176                         active    
177  VLAN0177                         active    
178  VLAN0178                         active    
179  VLAN0179                         active    
180  VLAN0180                         active    
181  VLAN0181                         active    
182  VLAN0182                         active    
183  VLAN0183                         active    
184  VLAN0184                         active    
185  VLAN0185                         active    
186  VLAN0186                         active    
187  VLAN0187                         active    
188  VLAN0188                         active    
189  VLAN0189                         active    
190  VLAN0190                         active    
191  VLAN0191                         active    
192  VLAN0192                         active    
193  VLAN0193                         active    
194  VLAN0194                         active    
195  VLAN0195                         active    
196  VLAN0196                         active    
          
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
197  VLAN0197                         active    
198  VLAN0198                         active    
199  VLAN0199                         active    
200  VLAN0200                         active    
1002 fddi-default                     act/unsup 
1003 token-ring-default               act/unsup 
1004 fddinet-default                  act/unsup 
1005 trnet-default                    act/unsup 
SW2(config)#swi
SW2(config)#int f1/0/1
SW2(config-if)#swi
SW2(config-if)#switchport ba
SW2(config-if)#switchport backup int f1/0/2 ?
  mmu         mac-address move update
  multicast   multicast parameters
  preemption  preemption parameters
  prefer      load-balancing
  <cr>

SW2(config-if)#switchport backup int f1/0/2 mmu pri
SW2(config-if)#switchport backup int f1/0/2 mmu primary vl
SW2(config-if)#switchport backup int f1/0/2 mmu primary vlan 10
SW2(config-if)#exit
SW2(config)#mac
SW2(config)#mac add
SW2(config)#mac address-table move
SW2(config)#mac address-table move u
SW2(config)#mac address-table move update tra
SW2(config)#mac address-table move update transmit 
SW2(config)#

References

tech/network/cisco/flex-link/flex-link.txt · Last modified: 2019/07/20 12:40 by wnoguchi