ether-channel status down between cisco and juniper
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01-06-2017 08:59 AM - edited 03-08-2019 08:49 AM
Experts,
I have ether channel 2 configured on Cisco 4900: interface Port-channel2
switchport
switchport trunk native vlan 5
switchport mode trunk
load-interval 30
ip dhcp snooping trust
interface TenGigabitEthernet1/5
description 10Gb link
switchport trunk native vlan 5
switchport mode trunk
channel-group 2 mode active
ip dhcp snooping trust
interface TenGigabitEthernet1/6
description 10Gb link_2
switchport trunk native vlan 5
switchport mode trunk
channel-group 2 mode active
ip dhcp snooping trust
#sh interfaces port-channel 2
Port-channel2 is down, line protocol is down (notconnect)
On Juniper all is up and lights are on both ports. On Cisco both are down.
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01-06-2017 09:55 AM
I have seen several cases where Juniper and Cisco Portchannel don't work well together even with different modes. What happens if you use a single link (without any Portchannel) between them?
Does the link come up?
HTH
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02-02-2017 08:26 AM
It has to be something since on Cisco I use OneX module and Juniper SFP DAC cable, noticed on Cisco when rebooted:
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02-03-2017 05:17 AM
in my case this could be an issue:
service unsupported-transceiver on 4900 M
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02-03-2017 12:33 PM
no still no luck ....
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01-06-2017 03:14 PM
Hello
Is lacp enabled on the juniper?
sh lacp interfaces
Cisco
1)Delete the port-channel interface
2)Default the physical interfaces and shut them down
3)Apply the channel-group x passive ( this automatically create port-channel interface)
4)Configure trunk on port-channel interface
5)enable the physical interfaces
sh ethchannel-portchanel
res
Paul
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Kind Regards
Paul
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01-07-2017 10:16 AM
sh lacp int on Juniper shows:
Aggregated interface: ae18
LACP state: Role Exp Def Dist Col Syn Aggr Timeout Activity
xe-1/2/0 Actor No Yes No No No Yes Fast Active
xe-1/2/0 Partner No Yes No No No Yes Fast Passive
xe-0/2/0 Actor No Yes No No No Yes Fast Active
xe-0/2/0 Partner No Yes No No No Yes Fast Passive
LACP protocol: Receive State Transmit State Mux State
xe-1/2/0 Defaulted Fast periodic Detached
xe-0/2/0 Defaulted Fast periodic Detached
- Defaulted—If no LACP PDU is received before the timer for the Currentstate expires a second time, the state machine enters the Defaulted state.
cisco sh etherchannel port-channel:
sh etherchannel port-channel
Channel-group listing:
----------------------
Group: 2
----------
Port-channels in the group:
---------------------------
Port-channel: Po2 (Primary Aggregator)
------------
Age of the Port-channel = 2d:21h:51m:35s
Logical slot/port = 21/2 Number of ports = 0
Port state = Port-channel Ag-Not-Inuse
Protocol = LACP
Port security = Disabled
now I play with recreating etherchannel on cisco side.
cisco media type is No SFP+
Juniper media:
Link-level type: Ethernet, MTU: 1514, MRU: 0, Speed: 10Gbps,
Duplex: Full-Duplex, BPDU Error: None, MAC-REWRITE Error: None,
Loopback: Disabled, Source filtering: Disabled, Flow control: Disabled,
Media type: Fiber
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x0
Link flags : None
CoS queues : 12 supported, 12 maximum usable queues
Current address: 00:31:46:46:b0:95, Hardware address: 00:31:46:46:b1:17
Last flapped : 2017-01-07 12:09:48 CST (00:03:48 ago)
Input rate : 0 bps (0 pps)
Output rate : 1560 bps (1 pps)
Active alarms : None
Active defects : None
Interface transmit statistics: Disabled
Logical interface xe-1/2/0.0 (Index 786) (SNMP ifIndex 969)
Flags: Up SNMP-Traps 0x0 Encapsulation: Ethernet-Bridge
theoretically these both media should see each other both are 10GB ........
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01-07-2017 10:34 AM
What type of Juniper switch is that?
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01-09-2017 05:06 AM
Its EX 4300.
