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Cisco Bug: CSCus59500 - MK2: VSS Standby reload due to parser return error

Last Modified

Mar 06, 2018

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.2(1)SY

Description (partial)

Symptom:
Sup2T VSS running 15.2(1)SY (MK2).  standby reload due to parser return error
SW1: Config Sync: Line-by-Line sync verifying failure on command:
  address-family ipv4
due to parser return error
%RF-SW1-5-RF_RELOAD: Peer reload. Reason: Configuration mismatch

Conditions:
vrf forwarding configuration modified via multiple simultaneous vty lines.

For standby reload due to parser return error on vrf 'address-family ipv4'  :
Triggered with 2 vty lines repeating below commands (usually triggers after about 20x repetitions of the below:
	vrf definition test_vrf1
	address-family ipv4
	exit-address-family
	no vrf definition test_vrf1

For standby reload due to parser return error on 'no interface Vlan':
- Triggered with 2 vty lines repeating below commands (usually triggers after about 20x repetitions of the below:
	no interface Vlan101
	interface Vlan101
	ip address 10.1.1.1 255.255.255.0
	no shut
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