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Cisco Bug: CSCvu00101 - 88X1 and 88X5 phone LCD display mistaken gateway when vpn connetion established

Last Modified

Jul 14, 2020

Products (1)

  • Cisco IP Phone 8800 Series

Known Affected Releases


Description (partial)

Phone model: 88x1, 88x5
Phone load: sip88xx.12-8-1-0001-445

Reproduced steps:
(1) Register phone with UCM on LAN, then get VPN configuration.
(2) Change phone to WAN, then phone connect with VPN server successfully
(3) Go to phone LCD, navigate to IPv4 settings page
(4) Phone ip address, subnet mask, dns server are valid, all from VPN server

(1) However, default router is filled by 1st ip address from this subnet
(2) On VPN server, I didn't create default router for phone. 
In fact, I can't do that, because there is no this configuration option on VPN server.
Please review attachment
(3) I think, just keep be empty
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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