2020年5月16日 星期六

L3 port channel doesnt work on iol L2 15.2d

SW1#sho ver | i bin
System image file is "unix:/opt/unetlab/addons/iol/bin/i86bi-linux-l2-adventerprisek9-15.2d"
SW1#sho etherchannel summ | i Po1
1      Po1(RU)          -        Et1/2(P)    Et1/3(P) 
SW1#sho ip int bri | i 12.0.0
Port-channel1          12.0.0.1        YES manual up                    up   
SW1#sho arp | i 12.0.0.
Internet  12.0.0.1                -   aabb.cc80.b000  ARPA   Port-channel1
SW1#ping 12.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.0.0.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)

SW2#sho ver | i bin
System image file is "unix:/opt/unetlab/addons/iol/bin/i86bi-linux-l2-adventerprisek9-15.2d"
SW2#sho etherchannel summ | i Po1
1      Po1(RU)          -        Et1/2(P)    Et1/3(P) 
SW2#sho ip int bri | i 12.0.0
Port-channel1          12.0.0.2        YES manual up                    up   
SW2#sho arp | i 12.0.0.
Internet  12.0.0.1                4   aabb.cc80.b000  ARPA   Port-channel1
Internet  12.0.0.2                -   aabb.cc80.c000  ARPA   Port-channel1
SW2#ping 12.0.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.0.0.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)




googled a bit, not much relevant result, only saw some mention about IOL L2 being notoriously buggy. was annoyed to a point that i went on to search for physical switch on taobao again. after a while went back to consult the official requirement: https://learningnetwork.cisco.com/s/article/ccie-enterprise-infrastructure-equipment-and-software-list
FUCK, it is actually talking about IOSv all the while, not IOL, so i've been using the wrong image, thats why it gave me a hard time for anything to do with layer3, SVI. wasted so much time doubting my own config.
FUCK.

Virtual machines
  • Cisco CSR 1000v Series Cloud Services Routers with Cisco IOS XE SD-WAN Release 16.12
  • Cisco IOSv with Cisco IOS Software Release 15.8
  • Cisco IOSv-L2 with Cisco IOS Software Release 15.2
  • Cisco SD-WAN (vManage, vBond, vSmart, vEdge) Software Release 18.4
  • Cisco DNA Center Release 1.3.1
~




Switch#sho ver | i ios         
Cisco IOS Software, vios_l2 Software (vios_l2-ADVENTERPRISEK9-M), Experimental Version 15.2(20170321:233949) [mmen 101]
System image file is "flash0:/vios_l2-adventerprisek9-m"
Switch#sho etherchannel s | i Po1
1      Po1(RU)          -        Gi0/0(P)    Gi0/1(P)   
Switch#sho ip int bri | i 1.0
GigabitEthernet1/0     unassigned      YES unset  up                    up     
Port-channel1          1.0.0.1         YES manual up                    up     
Switch#sho arp | i 1.0.0.   
Internet  1.0.0.1                 -   5000.001e.8000  ARPA   Port-channel1
Internet  1.0.0.2                 1   5000.001f.8000  ARPA   Port-channel1
Switch#ping 1.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 2/2/2 ms


Switch#sho ver | i vios
Cisco IOS Software, vios_l2 Software (vios_l2-ADVENTERPRISEK9-M), Experimental Version 15.2(20170321:233949) [mmen 101]
System image file is "flash0:/vios_l2-adventerprisek9-m"
Switch#sho etherchannel s | i Po1
1      Po1(RU)          -        Gi0/0(P)    Gi0/1(P)   
Switch#sho ip int bri | i 1.0
GigabitEthernet1/0     unassigned      YES unset  up                    up     
Port-channel1          1.0.0.2         YES manual up                    up     
Switch#sho arp | i 1.0.0
Internet  1.0.0.1                 2   5000.001e.8000  ARPA   Port-channel1
Internet  1.0.0.2                 -   5000.001f.8000  ARPA   Port-channel1
Switch#ping 1.0.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.0.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/3 ms

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